Matrix Partners

Matrix Partners is a venture capital firm founded in 1977 and based in San Francisco that backs early-stage and Series A technology companies across sectors such as artificial intelligence, B2B software, consumer technology, fintech, health tech, infrastructure, and semiconductors. The firm emphasizes practical, founder-centered collaboration, often supporting concepts from idea stage through Series A and taking board seats to help portfolio companies scale. It operates globally, including Matrix Partners China, which focuses on long-term relationships with entrepreneurs in China and has a track record of IPOs and strategic exits. The team combines former founders and experienced investors to bring local execution and global perspective. Notable investments span across the technology landscape, reflecting a history of involvement with companies like FedEx, Apple, Oculus, Canva, Zendesk, HubSpot, Postmates, Fivetran, Sila, and GOAT, illustrating the firm’s ability to support companies from early development to scale.

Ben Altshuler

Partner

Timothy Barrows

General Partner

Diana Kimball Berlin

Partner

Phyllis Doherty

Administrative Partner

Paul Ferri

Investor

Past deals in Telecommunications

Lightmatter

Series B in 2021
Founded in 2017 and based in Boston, Lightmatter is an artificial intelligence hardware company that specializes in integrated optical technology. It designs photonic chips to enable data processing and communication through light signals, aiming to improve efficiency and scalability for AI data centers.

JLSemi

Series B in 2020
JLSemi is a company focused on the development of high-speed Ethernet communication chips, specializing in gigabit Ethernet analog and system-on-chip (SoC) semiconductors. The firm excels in high-speed analog, advanced digital signal processing (DSP), and mixed-signal designs, pushing the boundaries of Ethernet technology. By leveraging innovations in silicon architecture and design along with advanced process nodes, JLSemi delivers products that offer industry-leading performance in terms of range, resilience, and power consumption. Its advanced connectivity solutions cater to various industries, positioning the company as a key player in the fast-speed communication market.

Data Pipeline

Series A in 2019
Data Pipeline is a Beijing-based company that specializes in streaming data integration services. It offers a comprehensive data infrastructure platform rooted in the DataOps methodology, which encompasses various product offerings including data integration, data fusion, data observability, and data security solutions. The company's platforms are designed to enhance data management across multiple industries such as banking, securities, insurance, energy, and telecommunications. Data Pipeline's system is recognized as a best practice for new data infrastructure and ensures a complete range of functionalities, including collaborative and self-service data discovery, end-to-end data link construction, and continuous data security management. This holistic approach addresses the growing need for robust data solutions in today’s digital landscape.

Lightmatter

Series A in 2019
Founded in 2017 and based in Boston, Lightmatter is an artificial intelligence hardware company that specializes in integrated optical technology. It designs photonic chips to enable data processing and communication through light signals, aiming to improve efficiency and scalability for AI data centers.

Yunshan Networks

Series B in 2018
Yunshan Networks, founded in December 2011 by a team from Tsinghua University and experienced professionals from various network manufacturers, specializes in software-defined networking (SDN) and cloud computing services. The company is a pioneer in applying SDN technology to cloud data center applications. Its core product, DeepFlow, is an advanced SDN controller that enables enterprise customers to establish open and intelligent network service platforms within cloud computing environments. Yunshan Networks is committed to innovation and value creation, offering solutions that facilitate hybrid cloud services and optimize network performance. The company has successfully deployed its technologies in significant sectors such as telecommunications, finance, and the Internet, serving dozens of large data centers across China. With a robust service, sales, and R&D network in major Chinese cities, Yunshan Networks continues to enhance its capabilities in addressing complex virtual network challenges for its clients.

Data Pipeline

Series A in 2018
Data Pipeline is a Beijing-based company that specializes in streaming data integration services. It offers a comprehensive data infrastructure platform rooted in the DataOps methodology, which encompasses various product offerings including data integration, data fusion, data observability, and data security solutions. The company's platforms are designed to enhance data management across multiple industries such as banking, securities, insurance, energy, and telecommunications. Data Pipeline's system is recognized as a best practice for new data infrastructure and ensures a complete range of functionalities, including collaborative and self-service data discovery, end-to-end data link construction, and continuous data security management. This holistic approach addresses the growing need for robust data solutions in today’s digital landscape.

Lightmatter

Series A in 2018
Founded in 2017 and based in Boston, Lightmatter is an artificial intelligence hardware company that specializes in integrated optical technology. It designs photonic chips to enable data processing and communication through light signals, aiming to improve efficiency and scalability for AI data centers.

Yunshan Networks

Series B in 2016
Yunshan Networks, founded in December 2011 by a team from Tsinghua University and experienced professionals from various network manufacturers, specializes in software-defined networking (SDN) and cloud computing services. The company is a pioneer in applying SDN technology to cloud data center applications. Its core product, DeepFlow, is an advanced SDN controller that enables enterprise customers to establish open and intelligent network service platforms within cloud computing environments. Yunshan Networks is committed to innovation and value creation, offering solutions that facilitate hybrid cloud services and optimize network performance. The company has successfully deployed its technologies in significant sectors such as telecommunications, finance, and the Internet, serving dozens of large data centers across China. With a robust service, sales, and R&D network in major Chinese cities, Yunshan Networks continues to enhance its capabilities in addressing complex virtual network challenges for its clients.

kktijian.com

Series A in 2015
kktijian.com is an online mobile health management platform, and the doctor-seeking health consultation platform helps the physical examination center improve management and increase income. They provide preferential medical examination institutions, package options, and appointment-based services for physical examination items according to their individual needs.

Plexxi

Series D in 2015
Plexxi Inc. is a provider of converged application-defined network infrastructure designed for software-defined data centers and public/private clouds. The company develops networking solutions that enhance application performance and facilitate the building of private, public, and hybrid cloud networks. Its offerings include a comprehensive suite of tools, ranging from hardware to management and application integrations, which allow cloud builders to operate with greater efficiency and responsiveness. Founded in 2010 and based in Nashua, New Hampshire, Plexxi operates as a subsidiary of Hewlett Packard Enterprise Company since June 2018. The firm has established a strategic partnership with Decision Lab, LLC, further enhancing its capabilities in delivering optimized networking solutions.

textPlus

Venture Round in 2015
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

Fastback Networks

Series C in 2015
Fastback Networks is a technology company focused on developing innovative mobile infrastructure solutions to meet the growing demands of public and private networks. By leveraging the extensive experience of its team in radio and data networking, the company addresses the challenges associated with 4G and 5G deployment. Fastback Networks specializes in providing backhaul technologies that operate in millimeter-wave and sub-6 GHz bands, introducing technical and economic advancements that facilitate the rapid rollout of high-capacity mobile services. Its solutions empower mobile service providers and enterprises to enhance speed, reliability, and overall user experience, positioning them to capitalize on new markets and applications in the evolving telecommunications landscape.

SpiderCloud Wireless

Venture Round in 2015
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

Vargo Technology

Angel Round in 2014
Vargo Technology specializes in the development of security system products aimed at enhancing mobile data security and communication privacy. The company offers a comprehensive range of solutions that include both software and hardware components, with a primary focus on security software. Its offerings encompass advanced technologies such as big data processing models, system security, and data encryption, which cater to mobile phones and communication companies. Vargo Technology's products are designed to provide robust data protection through server-side security, transmission encryption, and terminal security systems, ensuring a full spectrum of communication security solutions for its users.

Phantom

Series A in 2013
Phantom Smart is a research and development design service provider of autonomic 2.4G network-based household products. The company’s flagship product is the Phantom Smart Maiden Voyage Set that includes two smart lights (Nova), a wireless switch (Stick and press), an environmental control (EcoTower), and a gateway (TelePort). These products allow users to remotely control the AC, check home temperature and humidity, and check if there are harmful gases present in homes. Through digitization of homes, Phantom Smart provides more life possibilities for users.

Affirmed Networks

Series C in 2013
Affirmed Networks, Inc. is a provider of mobile content cloud solutions, specializing in virtualization and integrated network services for telecommunications. Founded in 2010 and headquartered in Acton, Massachusetts, the company offers a range of products designed to enhance mobile network capabilities, including the Affirmed Service Automation Platform, which helps mobile operators expedite service launches while lowering operational costs. Its cloud-native solutions, such as the Affirmed UnityCloud 5G core, support the deployment of advanced networks and Internet of Things (IoT) services. Affirmed Networks also focuses on network slicing and virtualized Evolved Packet Core solutions, enabling communication service providers to efficiently scale their networks to meet growing demands while minimizing capital and operational expenditures.

Acacia

Series B in 2013
Acacia Communications, Inc. is a provider of high-speed coherent optical interconnect products, headquartered in Maynard, Massachusetts. Founded in 2009, the company develops, manufactures, and sells embedded and pluggable modules that facilitate optical interconnections, with transmission speeds ranging from 100 to 1,200 gigabits per second. These products are designed for use in long-haul, metro, and inter-data center markets. In addition to optical modules, Acacia offers semiconductor products, including low-power coherent digital signal processor application-specific integrated circuits and silicon photonic integrated circuits, which are integrated into their modules. The company markets its products through a direct sales force to network equipment manufacturers, network operators, and cloud service providers across the United States, China, Germany, Thailand, and other international locations.

Fastback Networks

Series B in 2013
Fastback Networks is a technology company focused on developing innovative mobile infrastructure solutions to meet the growing demands of public and private networks. By leveraging the extensive experience of its team in radio and data networking, the company addresses the challenges associated with 4G and 5G deployment. Fastback Networks specializes in providing backhaul technologies that operate in millimeter-wave and sub-6 GHz bands, introducing technical and economic advancements that facilitate the rapid rollout of high-capacity mobile services. Its solutions empower mobile service providers and enterprises to enhance speed, reliability, and overall user experience, positioning them to capitalize on new markets and applications in the evolving telecommunications landscape.

Affirmed Networks

Series B in 2012
Affirmed Networks, Inc. is a provider of mobile content cloud solutions, specializing in virtualization and integrated network services for telecommunications. Founded in 2010 and headquartered in Acton, Massachusetts, the company offers a range of products designed to enhance mobile network capabilities, including the Affirmed Service Automation Platform, which helps mobile operators expedite service launches while lowering operational costs. Its cloud-native solutions, such as the Affirmed UnityCloud 5G core, support the deployment of advanced networks and Internet of Things (IoT) services. Affirmed Networks also focuses on network slicing and virtualized Evolved Packet Core solutions, enabling communication service providers to efficiently scale their networks to meet growing demands while minimizing capital and operational expenditures.

textPlus

Series D in 2012
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

Plexxi

Series C in 2012
Plexxi Inc. is a provider of converged application-defined network infrastructure designed for software-defined data centers and public/private clouds. The company develops networking solutions that enhance application performance and facilitate the building of private, public, and hybrid cloud networks. Its offerings include a comprehensive suite of tools, ranging from hardware to management and application integrations, which allow cloud builders to operate with greater efficiency and responsiveness. Founded in 2010 and based in Nashua, New Hampshire, Plexxi operates as a subsidiary of Hewlett Packard Enterprise Company since June 2018. The firm has established a strategic partnership with Decision Lab, LLC, further enhancing its capabilities in delivering optimized networking solutions.

SpiderCloud Wireless

Series C in 2012
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

wali

Series B in 2011
Wali is a mobile internet high-tech enterprise that consists of a research team from IT enterprises such as China Mobile, Nokia, Microsoft, Sina, Kingsoft, and more. Wali has years of experience in mobile phone client software development and BOSS development and maintenance. ZiFeiTong, the flagship product of Wali, is the only mobile phone bill inquiry and management software in China which supports the query, statistics, and management of the most important information such phone bills, real-time calls in internet package, balance, mobile traffic, residual information of internet packages, and telephone fare points for China Mobile, China Unicom, and China Telecom users across 336 regions.

Plexxi

Series B in 2011
Plexxi Inc. is a provider of converged application-defined network infrastructure designed for software-defined data centers and public/private clouds. The company develops networking solutions that enhance application performance and facilitate the building of private, public, and hybrid cloud networks. Its offerings include a comprehensive suite of tools, ranging from hardware to management and application integrations, which allow cloud builders to operate with greater efficiency and responsiveness. Founded in 2010 and based in Nashua, New Hampshire, Plexxi operates as a subsidiary of Hewlett Packard Enterprise Company since June 2018. The firm has established a strategic partnership with Decision Lab, LLC, further enhancing its capabilities in delivering optimized networking solutions.

Aylus Networks

Series D in 2011
Aylus Networks, Inc. is a provider of multimedia sharing solutions specifically designed for mobile networks. Founded in 2005 and headquartered in Westford, Massachusetts, the company has developed MediaShare, a technology that enables wireless carriers to enhance communication experiences through features such as video blogging, video sharing, and video telephony. Aylus Networks' live video platform integrates smoothly with existing networks, accommodating various device types, manufacturers, and software. This capability allows communication providers to incorporate live video and other rich media into their services, thereby gaining a competitive advantage in the rapidly evolving market.

textPlus

Series C in 2011
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

Affirmed Networks

Series A in 2010
Affirmed Networks, Inc. is a provider of mobile content cloud solutions, specializing in virtualization and integrated network services for telecommunications. Founded in 2010 and headquartered in Acton, Massachusetts, the company offers a range of products designed to enhance mobile network capabilities, including the Affirmed Service Automation Platform, which helps mobile operators expedite service launches while lowering operational costs. Its cloud-native solutions, such as the Affirmed UnityCloud 5G core, support the deployment of advanced networks and Internet of Things (IoT) services. Affirmed Networks also focuses on network slicing and virtualized Evolved Packet Core solutions, enabling communication service providers to efficiently scale their networks to meet growing demands while minimizing capital and operational expenditures.

SpiderCloud Wireless

Series B in 2010
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

SpiderCloud Wireless

Series A in 2009
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

textPlus

Series B in 2009
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

Acacia

Series A in 2009
Acacia Communications, Inc. is a provider of high-speed coherent optical interconnect products, headquartered in Maynard, Massachusetts. Founded in 2009, the company develops, manufactures, and sells embedded and pluggable modules that facilitate optical interconnections, with transmission speeds ranging from 100 to 1,200 gigabits per second. These products are designed for use in long-haul, metro, and inter-data center markets. In addition to optical modules, Acacia offers semiconductor products, including low-power coherent digital signal processor application-specific integrated circuits and silicon photonic integrated circuits, which are integrated into their modules. The company markets its products through a direct sales force to network equipment manufacturers, network operators, and cloud service providers across the United States, China, Germany, Thailand, and other international locations.

Acacia

Seed Round in 2009
Acacia Communications, Inc. is a provider of high-speed coherent optical interconnect products, headquartered in Maynard, Massachusetts. Founded in 2009, the company develops, manufactures, and sells embedded and pluggable modules that facilitate optical interconnections, with transmission speeds ranging from 100 to 1,200 gigabits per second. These products are designed for use in long-haul, metro, and inter-data center markets. In addition to optical modules, Acacia offers semiconductor products, including low-power coherent digital signal processor application-specific integrated circuits and silicon photonic integrated circuits, which are integrated into their modules. The company markets its products through a direct sales force to network equipment manufacturers, network operators, and cloud service providers across the United States, China, Germany, Thailand, and other international locations.

Intelliden

Series F in 2008
Intelliden is a provider of intelligent networking software solutions designed to help organizations manage, control, and scale their networks effectively. Founded in 2000 and headquartered in Menlo Park, California, with additional offices in Colorado, Japan, and the United Kingdom, the company specializes in automating critical network change and configuration management functions. Its innovative solutions enable organizations, particularly in the telecommunications and financial services sectors, to deliver next-generation services, ensure compliance, and perform data reconciliation. Intelliden's patented technology offers real-time insights into the network's state, facilitating accurate management in increasingly dynamic environments. The company also provides system support, technical training, and technology consulting services, catering to a diverse range of network-driven businesses.

Crossbeam Systems

Series F in 2008
Crossbeam Systems, Inc. specializes in next-generation security platforms designed for high-performance networks. The company transforms how enterprises, service providers, and government agencies architect and deliver security services. Its platforms allow for the consolidation of various security appliances and network equipment, enabling the virtualization of security applications and simplifying the delivery of security services. Crossbeam integrates hardware with third-party security applications, such as firewalls and intrusion detection systems, to enhance performance. Additionally, it offers SecureShore NMS, a network management system that facilitates multi-box configuration, OS backup and restore, reporting, and application distribution. The company's solutions include firewall, content gateway, and security virtualization services, complemented by professional training and support services. Crossbeam's diverse clientele ranges from financial institutions and pharmaceutical companies to government agencies and universities. Founded in 2000, the company is headquartered in Boxborough, Massachusetts, with additional offices in Europe and the Asia Pacific, as well as an authorized training center in Mexico City.

Aylus Networks

Series B in 2007
Aylus Networks, Inc. is a provider of multimedia sharing solutions specifically designed for mobile networks. Founded in 2005 and headquartered in Westford, Massachusetts, the company has developed MediaShare, a technology that enables wireless carriers to enhance communication experiences through features such as video blogging, video sharing, and video telephony. Aylus Networks' live video platform integrates smoothly with existing networks, accommodating various device types, manufacturers, and software. This capability allows communication providers to incorporate live video and other rich media into their services, thereby gaining a competitive advantage in the rapidly evolving market.

Intelliden

Series E in 2007
Intelliden is a provider of intelligent networking software solutions designed to help organizations manage, control, and scale their networks effectively. Founded in 2000 and headquartered in Menlo Park, California, with additional offices in Colorado, Japan, and the United Kingdom, the company specializes in automating critical network change and configuration management functions. Its innovative solutions enable organizations, particularly in the telecommunications and financial services sectors, to deliver next-generation services, ensure compliance, and perform data reconciliation. Intelliden's patented technology offers real-time insights into the network's state, facilitating accurate management in increasingly dynamic environments. The company also provides system support, technical training, and technology consulting services, catering to a diverse range of network-driven businesses.

Crossbeam Systems

Series F in 2007
Crossbeam Systems, Inc. specializes in next-generation security platforms designed for high-performance networks. The company transforms how enterprises, service providers, and government agencies architect and deliver security services. Its platforms allow for the consolidation of various security appliances and network equipment, enabling the virtualization of security applications and simplifying the delivery of security services. Crossbeam integrates hardware with third-party security applications, such as firewalls and intrusion detection systems, to enhance performance. Additionally, it offers SecureShore NMS, a network management system that facilitates multi-box configuration, OS backup and restore, reporting, and application distribution. The company's solutions include firewall, content gateway, and security virtualization services, complemented by professional training and support services. Crossbeam's diverse clientele ranges from financial institutions and pharmaceutical companies to government agencies and universities. Founded in 2000, the company is headquartered in Boxborough, Massachusetts, with additional offices in Europe and the Asia Pacific, as well as an authorized training center in Mexico City.

Camiant

Series C in 2007
Camiant, Inc. specializes in policy control and application assurance technology, catering primarily to broadband operators across Europe, the Middle East, and the Asia Pacific. The company's key offerings include the Multimedia Policy Engine, which delivers real-time intelligence and control for broadband networks, and the Bandwidth on Demand Application Manager, designed to facilitate the integration of new applications into access networks. Additionally, Camiant provides a SIP Application Manager that assists network providers in managing SIP resources, and the QInsight management reporting application, which aggregates usage data to offer insights on network performance and subscriber distribution. The Universal Edge Resource Manager allows for efficient sharing of edge resources among services such as video on demand, while the Fair Use Management solution aids cable operators in monitoring and managing broadband utilization. Camiant was previously known as Chameleon Solutions, Inc.

Czen

Series A in 2006
Czen is a small, fairly new telecommunications carrier in Waltham.

Digium

Series A in 2006
Digium, Inc. is a company that specializes in developing software and telephony hardware to create unified communications solutions for businesses of various sizes. Known for its open source telephony platform, Asterisk, Digium offers a range of products including business phone systems, IP phones, telephony cards, SIP trunking products, and VoIP gateways. The company also provides hosted and on-premises Switchvox business phone systems that deliver enterprise-class unified communications and UC-as-a-Service solutions. In addition to its hardware and software offerings, Digium offers training services and certifications related to the installation and maintenance of Asterisk systems. The company serves a diverse array of industries, including education, government, healthcare, and professional services, distributing its products through resellers and online partners worldwide. Founded in 1999 and based in Huntsville, Alabama, Digium became a subsidiary of Sangoma Technologies US Inc. in 2018.

ColdWatt

Series B in 2006
ColdWatt, Inc. is a company that specializes in the design, development, and manufacturing of power converters tailored for computing, telecommunications, and networking applications. Targeting original equipment manufacturers (OEMs), IT managers, and systems designers, ColdWatt provides innovative solutions to meet the demands of modern technology. Founded in 2004 and initially known as GTI Power Systems until its name change in 2005, the company is headquartered in Austin, Texas, with additional offices in San Jose, California, and Houston, Texas. ColdWatt also operates in Shenzen, China, and maintains design centers in Dallas, Texas, and Bangalore, India.

Intelliden

Series D in 2005
Intelliden is a provider of intelligent networking software solutions designed to help organizations manage, control, and scale their networks effectively. Founded in 2000 and headquartered in Menlo Park, California, with additional offices in Colorado, Japan, and the United Kingdom, the company specializes in automating critical network change and configuration management functions. Its innovative solutions enable organizations, particularly in the telecommunications and financial services sectors, to deliver next-generation services, ensure compliance, and perform data reconciliation. Intelliden's patented technology offers real-time insights into the network's state, facilitating accurate management in increasingly dynamic environments. The company also provides system support, technical training, and technology consulting services, catering to a diverse range of network-driven businesses.

Redline Communications

Series D in 2005
Redline Communications specializes in advanced wireless broadband products, with over 150,000 installations across 130 countries. They serve service providers, enterprises, and governments, offering solutions like the AN-80i, RDL-2000, and RDL-3000 product line to deliver high-bandwidth services.

Crossbeam Systems

Series E in 2005
Crossbeam Systems, Inc. specializes in next-generation security platforms designed for high-performance networks. The company transforms how enterprises, service providers, and government agencies architect and deliver security services. Its platforms allow for the consolidation of various security appliances and network equipment, enabling the virtualization of security applications and simplifying the delivery of security services. Crossbeam integrates hardware with third-party security applications, such as firewalls and intrusion detection systems, to enhance performance. Additionally, it offers SecureShore NMS, a network management system that facilitates multi-box configuration, OS backup and restore, reporting, and application distribution. The company's solutions include firewall, content gateway, and security virtualization services, complemented by professional training and support services. Crossbeam's diverse clientele ranges from financial institutions and pharmaceutical companies to government agencies and universities. Founded in 2000, the company is headquartered in Boxborough, Massachusetts, with additional offices in Europe and the Asia Pacific, as well as an authorized training center in Mexico City.

Camiant

Series B in 2005
Camiant, Inc. specializes in policy control and application assurance technology, catering primarily to broadband operators across Europe, the Middle East, and the Asia Pacific. The company's key offerings include the Multimedia Policy Engine, which delivers real-time intelligence and control for broadband networks, and the Bandwidth on Demand Application Manager, designed to facilitate the integration of new applications into access networks. Additionally, Camiant provides a SIP Application Manager that assists network providers in managing SIP resources, and the QInsight management reporting application, which aggregates usage data to offer insights on network performance and subscriber distribution. The Universal Edge Resource Manager allows for efficient sharing of edge resources among services such as video on demand, while the Fair Use Management solution aids cable operators in monitoring and managing broadband utilization. Camiant was previously known as Chameleon Solutions, Inc.

ColdWatt

Series A in 2005
ColdWatt, Inc. is a company that specializes in the design, development, and manufacturing of power converters tailored for computing, telecommunications, and networking applications. Targeting original equipment manufacturers (OEMs), IT managers, and systems designers, ColdWatt provides innovative solutions to meet the demands of modern technology. Founded in 2004 and initially known as GTI Power Systems until its name change in 2005, the company is headquartered in Austin, Texas, with additional offices in San Jose, California, and Houston, Texas. ColdWatt also operates in Shenzen, China, and maintains design centers in Dallas, Texas, and Bangalore, India.

Sandburst

Series E in 2005
Sandburst Corporation is a fabless semiconductor company that specializes in the design and development of advanced integrated circuits. It focuses on creating innovative silicon solutions tailored for data communications and IP networking, specifically aimed at enhancing packet switching and routing systems. By leveraging its pioneering technology, Sandburst significantly lowers development costs and accelerates time-to-market for its customers. The company’s products include high-performance, wire-speed IP packet processing components, which provide a robust foundation for network systems while minimizing the need for extensive software development typically associated with general-purpose programmable devices.

Aylus Networks

Series A in 2005
Aylus Networks, Inc. is a provider of multimedia sharing solutions specifically designed for mobile networks. Founded in 2005 and headquartered in Westford, Massachusetts, the company has developed MediaShare, a technology that enables wireless carriers to enhance communication experiences through features such as video blogging, video sharing, and video telephony. Aylus Networks' live video platform integrates smoothly with existing networks, accommodating various device types, manufacturers, and software. This capability allows communication providers to incorporate live video and other rich media into their services, thereby gaining a competitive advantage in the rapidly evolving market.

Redline Communications

Venture Round in 2004
Redline Communications specializes in advanced wireless broadband products, with over 150,000 installations across 130 countries. They serve service providers, enterprises, and governments, offering solutions like the AN-80i, RDL-2000, and RDL-3000 product line to deliver high-bandwidth services.

Crossbeam Systems

Series D in 2004
Crossbeam Systems, Inc. specializes in next-generation security platforms designed for high-performance networks. The company transforms how enterprises, service providers, and government agencies architect and deliver security services. Its platforms allow for the consolidation of various security appliances and network equipment, enabling the virtualization of security applications and simplifying the delivery of security services. Crossbeam integrates hardware with third-party security applications, such as firewalls and intrusion detection systems, to enhance performance. Additionally, it offers SecureShore NMS, a network management system that facilitates multi-box configuration, OS backup and restore, reporting, and application distribution. The company's solutions include firewall, content gateway, and security virtualization services, complemented by professional training and support services. Crossbeam's diverse clientele ranges from financial institutions and pharmaceutical companies to government agencies and universities. Founded in 2000, the company is headquartered in Boxborough, Massachusetts, with additional offices in Europe and the Asia Pacific, as well as an authorized training center in Mexico City.

Starent Networks

Series D in 2004
Starent Networks specializes in multimedia core technology that facilitates mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software products designed to enhance mobile wireless communications. Its solutions support high-speed data transmission, improved voice quality, and multimedia services through an integrated and high-performance network architecture. By delivering significant performance capabilities and system intelligence, Starent Networks meets the demands of the world's leading mobile networks, ensuring that operators can effectively serve their customer base with reliable and efficient broadband services.

Sandburst

Series C in 2004
Sandburst Corporation is a fabless semiconductor company that specializes in the design and development of advanced integrated circuits. It focuses on creating innovative silicon solutions tailored for data communications and IP networking, specifically aimed at enhancing packet switching and routing systems. By leveraging its pioneering technology, Sandburst significantly lowers development costs and accelerates time-to-market for its customers. The company’s products include high-performance, wire-speed IP packet processing components, which provide a robust foundation for network systems while minimizing the need for extensive software development typically associated with general-purpose programmable devices.

SnowShore Networks

Series B in 2003
SnowShore Networks specializes in the development of scalable, IP-optimized networking components designed for carrier-class environments. The company focuses on enhancing Internet Protocol communications infrastructure, providing technology solutions such as media servers and media firewalls. These offerings are aimed at leading original equipment manufacturers (OEMs) and various Voice over Internet Protocol (VoIP) service providers, facilitating the integration of real-time media services with IP networks.

Camiant

Series A in 2003
Camiant, Inc. specializes in policy control and application assurance technology, catering primarily to broadband operators across Europe, the Middle East, and the Asia Pacific. The company's key offerings include the Multimedia Policy Engine, which delivers real-time intelligence and control for broadband networks, and the Bandwidth on Demand Application Manager, designed to facilitate the integration of new applications into access networks. Additionally, Camiant provides a SIP Application Manager that assists network providers in managing SIP resources, and the QInsight management reporting application, which aggregates usage data to offer insights on network performance and subscriber distribution. The Universal Edge Resource Manager allows for efficient sharing of edge resources among services such as video on demand, while the Fair Use Management solution aids cable operators in monitoring and managing broadband utilization. Camiant was previously known as Chameleon Solutions, Inc.

Engim

Series B in 2003
Analysts forecast that the Wireless LAN market will grow from 8 million users in 2002 to 80 million users by 2007. This explosive rate of WLAN adoption is driving the need for high capacity WLAN infrastructure within the enterprise. Additionally, as enterprise deployments continue to grow, IT Managers need WLAN infrastructure products that offer enhanced functional capabilities to reduce deployment complexity, increase network robustness and reduce operational costs. Today’s WLAN silicon is optimized for client applications and not for high capacity WLAN infrastructure applications. By allowing simultaneous communications on all WLAN channels, Engim’s Multi-Channel WLAN Switching Engine chipset enables a new generation of very high performance, cost-effective access points. These chipsets apply Wideband Spectral Processing to standards-based WLAN infrastructure products for the first time, thereby dramatically increasing bandwidth and data throughput and making a whole new range of features and functionality available to users at low cost.

Intelliden

Debt Financing in 2003
Intelliden is a provider of intelligent networking software solutions designed to help organizations manage, control, and scale their networks effectively. Founded in 2000 and headquartered in Menlo Park, California, with additional offices in Colorado, Japan, and the United Kingdom, the company specializes in automating critical network change and configuration management functions. Its innovative solutions enable organizations, particularly in the telecommunications and financial services sectors, to deliver next-generation services, ensure compliance, and perform data reconciliation. Intelliden's patented technology offers real-time insights into the network's state, facilitating accurate management in increasingly dynamic environments. The company also provides system support, technical training, and technology consulting services, catering to a diverse range of network-driven businesses.

Crossbeam Systems

Series C in 2003
Crossbeam Systems, Inc. specializes in next-generation security platforms designed for high-performance networks. The company transforms how enterprises, service providers, and government agencies architect and deliver security services. Its platforms allow for the consolidation of various security appliances and network equipment, enabling the virtualization of security applications and simplifying the delivery of security services. Crossbeam integrates hardware with third-party security applications, such as firewalls and intrusion detection systems, to enhance performance. Additionally, it offers SecureShore NMS, a network management system that facilitates multi-box configuration, OS backup and restore, reporting, and application distribution. The company's solutions include firewall, content gateway, and security virtualization services, complemented by professional training and support services. Crossbeam's diverse clientele ranges from financial institutions and pharmaceutical companies to government agencies and universities. Founded in 2000, the company is headquartered in Boxborough, Massachusetts, with additional offices in Europe and the Asia Pacific, as well as an authorized training center in Mexico City.

Starent Networks

Series C in 2003
Starent Networks specializes in multimedia core technology that facilitates mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software products designed to enhance mobile wireless communications. Its solutions support high-speed data transmission, improved voice quality, and multimedia services through an integrated and high-performance network architecture. By delivering significant performance capabilities and system intelligence, Starent Networks meets the demands of the world's leading mobile networks, ensuring that operators can effectively serve their customer base with reliable and efficient broadband services.

Nauticus Networks

Series B in 2002
Nauticus Networks, Inc. is a networking company that creates powerful infrastructure products to deliver the next generation Internet. The new generation of application switches enables enterprises and service providers to deliver high performance network and security services.

Airvana

Venture Round in 2002
Airvana, founded in 2000 and headquartered in Chelmsford, Massachusetts, specializes in small cell solutions for communication applications. The company offers 4G LTE and 3G small cells, enterprise LTE small cells like OneCell, consumer and small office 3G small cells, and management systems supporting massive small cell deployments. Airvana's products enable wireless networks to deliver broadband-quality multimedia services to mobile devices, including internet access, email, music downloads, video, IP-TV, gaming, push-to-talk, and voice-over-IP. Since October 1, 2015, Airvana has operated as a subsidiary of CommScope Holding Company, Inc., focusing on providing superior data performance and expanded capacity for wireless services.

Equipe Communications

Series C in 2002
Equipe Communications designs, develops, and markets asynchronous transfer mode (ATM) and multiprotocol label switching (MPLS) products to telecom carriers and service providers. The company's products assist local exchange carriers (ILECs) and interexchange carriers (IXCs) in transition from ATM architecture to IP/MPLS. The company also offers network management design, engineering, furnishing and installation, lifecycle tools, and rapid deployment services. Equipe Communications was founded in 1999 and is based in Acton, Massachusetts.

Intelliden

Venture Round in 2002
Intelliden is a provider of intelligent networking software solutions designed to help organizations manage, control, and scale their networks effectively. Founded in 2000 and headquartered in Menlo Park, California, with additional offices in Colorado, Japan, and the United Kingdom, the company specializes in automating critical network change and configuration management functions. Its innovative solutions enable organizations, particularly in the telecommunications and financial services sectors, to deliver next-generation services, ensure compliance, and perform data reconciliation. Intelliden's patented technology offers real-time insights into the network's state, facilitating accurate management in increasingly dynamic environments. The company also provides system support, technical training, and technology consulting services, catering to a diverse range of network-driven businesses.

Sandburst

Series B in 2001
Sandburst Corporation is a fabless semiconductor company that specializes in the design and development of advanced integrated circuits. It focuses on creating innovative silicon solutions tailored for data communications and IP networking, specifically aimed at enhancing packet switching and routing systems. By leveraging its pioneering technology, Sandburst significantly lowers development costs and accelerates time-to-market for its customers. The company’s products include high-performance, wire-speed IP packet processing components, which provide a robust foundation for network systems while minimizing the need for extensive software development typically associated with general-purpose programmable devices.

PhotonEx Corp

Series C in 2001
PhotonEx Corp is an optical networking equipment manufacturer.

Starent Networks

Series B in 2001
Starent Networks specializes in multimedia core technology that facilitates mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software products designed to enhance mobile wireless communications. Its solutions support high-speed data transmission, improved voice quality, and multimedia services through an integrated and high-performance network architecture. By delivering significant performance capabilities and system intelligence, Starent Networks meets the demands of the world's leading mobile networks, ensuring that operators can effectively serve their customer base with reliable and efficient broadband services.

PhotonEx

Series C in 2001
PhotonEx is a prominent event in the UK, focusing on photonics and light technologies. It serves as a platform to showcase innovations and advancements in this field, bringing together industry experts, researchers, and businesses to discuss and explore the latest developments. In addition to organizing this event, PhotonEx is involved in the development of smart photonic systems aimed at enhancing public telecommunications networks. By integrating cutting-edge photonic technologies, the company aims to improve the efficiency and performance of telecommunications infrastructure. Through its initiatives, PhotonEx plays a crucial role in promoting the growth and application of photonics in various sectors.

SnowShore Networks

Series B in 2001
SnowShore Networks specializes in the development of scalable, IP-optimized networking components designed for carrier-class environments. The company focuses on enhancing Internet Protocol communications infrastructure, providing technology solutions such as media servers and media firewalls. These offerings are aimed at leading original equipment manufacturers (OEMs) and various Voice over Internet Protocol (VoIP) service providers, facilitating the integration of real-time media services with IP networks.

Shoretel

Venture Round in 2001
ShoreTel, based in Sunnyvale, California, specializes in developing and selling Internet Protocol (IP) communication systems for enterprises both domestically and internationally. The company provides a range of solutions, including IP phones, voice switches, and service appliances, all built on a distributed software architecture that allows multi-site businesses to operate under a unified telecommunications system. Key offerings include the ShoreTel Communicator, which integrates IP telephony with instant messaging and video collaboration, as well as a contact center solution that efficiently routes incoming contacts. Additionally, ShoreTel supports businesses with custom application development, system design, installation, and training services. Founded in 1996, ShoreTel serves a diverse clientele, including small, medium, and large companies, as well as public institutions across various sectors such as education, healthcare, and technology.

TollBridge Technologies

Series D in 2001
TollBridge Technologies is a leading provider of voice-over-broadband solutions tailored for next-generation carriers, boasting over 40,000 lines in active commercial service. The company specializes in developing IP-based voice systems that deliver cost-effective, toll-quality voice and integrated data services. Its VoIP gateways utilize the TollVoice architecture, enabling the seamless transmission of voice from IP networks through Class 5 switches. This technology supports both small business and consumer markets, compatible with various broadband access technologies, including DSL, cable, and wireless networks. Through its innovative solutions, TollBridge Technologies plays a pivotal role in advancing the capabilities of voice communications in the digital age.

Copper Mountain Networks

Post in 2001
Copper Mountain Networks specializes in the development of digital subscriber line (DSL) communications products that facilitate high-speed broadband connectivity over existing copper phone lines. The company manufactures a range of DSL networking systems, including the VantEdge Access Broadband Remote Access Server, CopperEdge DSL Concentrators, and CopperView Network Management Software Tools. These products are primarily sold directly to local telephone carriers and Internet Service Providers (ISPs) across the United States. Established in 1999, Copper Mountain Networks underwent an initial public offering and was later acquired by Tut Systems in 2005, which itself was acquired by Motorola in 2007.

Nauticus Networks

Series A in 2001
Nauticus Networks, Inc. is a networking company that creates powerful infrastructure products to deliver the next generation Internet. The new generation of application switches enables enterprises and service providers to deliver high performance network and security services.

Starent Networks

Series A in 2000
Starent Networks specializes in multimedia core technology that facilitates mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software products designed to enhance mobile wireless communications. Its solutions support high-speed data transmission, improved voice quality, and multimedia services through an integrated and high-performance network architecture. By delivering significant performance capabilities and system intelligence, Starent Networks meets the demands of the world's leading mobile networks, ensuring that operators can effectively serve their customer base with reliable and efficient broadband services.

PhotonEx

Series B in 2000
PhotonEx is a prominent event in the UK, focusing on photonics and light technologies. It serves as a platform to showcase innovations and advancements in this field, bringing together industry experts, researchers, and businesses to discuss and explore the latest developments. In addition to organizing this event, PhotonEx is involved in the development of smart photonic systems aimed at enhancing public telecommunications networks. By integrating cutting-edge photonic technologies, the company aims to improve the efficiency and performance of telecommunications infrastructure. Through its initiatives, PhotonEx plays a crucial role in promoting the growth and application of photonics in various sectors.

Sandburst

Series A in 2000
Sandburst Corporation is a fabless semiconductor company that specializes in the design and development of advanced integrated circuits. It focuses on creating innovative silicon solutions tailored for data communications and IP networking, specifically aimed at enhancing packet switching and routing systems. By leveraging its pioneering technology, Sandburst significantly lowers development costs and accelerates time-to-market for its customers. The company’s products include high-performance, wire-speed IP packet processing components, which provide a robust foundation for network systems while minimizing the need for extensive software development typically associated with general-purpose programmable devices.

Sandburst

Seed Round in 2000
Sandburst Corporation is a fabless semiconductor company that specializes in the design and development of advanced integrated circuits. It focuses on creating innovative silicon solutions tailored for data communications and IP networking, specifically aimed at enhancing packet switching and routing systems. By leveraging its pioneering technology, Sandburst significantly lowers development costs and accelerates time-to-market for its customers. The company’s products include high-performance, wire-speed IP packet processing components, which provide a robust foundation for network systems while minimizing the need for extensive software development typically associated with general-purpose programmable devices.

Equipe Communications

Series B in 2000
Equipe Communications designs, develops, and markets asynchronous transfer mode (ATM) and multiprotocol label switching (MPLS) products to telecom carriers and service providers. The company's products assist local exchange carriers (ILECs) and interexchange carriers (IXCs) in transition from ATM architecture to IP/MPLS. The company also offers network management design, engineering, furnishing and installation, lifecycle tools, and rapid deployment services. Equipe Communications was founded in 1999 and is based in Acton, Massachusetts.

TollBridge Technologies

Venture Round in 2000
TollBridge Technologies is a leading provider of voice-over-broadband solutions tailored for next-generation carriers, boasting over 40,000 lines in active commercial service. The company specializes in developing IP-based voice systems that deliver cost-effective, toll-quality voice and integrated data services. Its VoIP gateways utilize the TollVoice architecture, enabling the seamless transmission of voice from IP networks through Class 5 switches. This technology supports both small business and consumer markets, compatible with various broadband access technologies, including DSL, cable, and wireless networks. Through its innovative solutions, TollBridge Technologies plays a pivotal role in advancing the capabilities of voice communications in the digital age.

Broadband Access Systems

Venture Round in 2000
Broadband Access Systems is a communications service providers to deliver high-speed Internet, data, video and voice services to consumers and businesses.

Shoreline Teleworks

Venture Round in 2000
Shoreline Communications, based in Sunnyvale, California, was founded in 1996 and has been making Voice-Over-IP a reality for enterprise customers for nearly two years. Shoreline's award-winning IP Voice Communications System is based on a unique distributed architecture that links multiple customer locations into a single, integrated IP voice network. The system also provides both a rich set of integrated voice services as well as standards-based interfaces to 3rd party voice applications that enhance personal and organizational productivity. Powered by ShoreWare ™ server and call manager software, ShoreGear™ voice switches and ShoreCare™ support services, the Shoreline Communication System is the platform of choice for the enterprise and service providers.

Sonus Networks

Venture Round in 1999
Sonus Networks, now known as Ribbon Communications, specializes in Session Initiation Protocol (SIP)-based communication solutions and Session Border Controller (SBC) technology. The company provides these services to enterprises and service providers worldwide, facilitating Unified Communications in the Cloud. Additionally, Ribbon Communications offers mobile network operations and integrates solutions with Microsoft, enhancing connectivity and communication capabilities for its clients. By focusing on these areas, the company aims to streamline and secure communication processes across various platforms and networks.

Equipe Communications

Series A in 1999
Equipe Communications designs, develops, and markets asynchronous transfer mode (ATM) and multiprotocol label switching (MPLS) products to telecom carriers and service providers. The company's products assist local exchange carriers (ILECs) and interexchange carriers (IXCs) in transition from ATM architecture to IP/MPLS. The company also offers network management design, engineering, furnishing and installation, lifecycle tools, and rapid deployment services. Equipe Communications was founded in 1999 and is based in Acton, Massachusetts.

Alteon Websystems

Venture Round in 1999
Alteon Websystems is a computer network hardware company that provides internet infrastructure solutions enabling e-businesses to meet their increasing demands.  The company’s portfolio of web data center products includes switches, server adapters, and software that are optimized to meet the specific challenges of managing web application traffic and provide high performance network infrastructure solutions. Alteo Websystems was founded in 1996 and is headquartered in San Jose, California.

Sycamore Networks

Seed Round in 1999
Sycamore Networks specializes in the development and marketing of software-based intelligent optical networking products. These products are designed to assist network service providers in efficiently delivering increased bandwidth and launching new high-speed data services. By focusing on innovative solutions, Sycamore Networks aims to enhance the capabilities of telecommunications infrastructure, enabling providers to meet the growing demand for high-speed connectivity in a cost-effective manner.

NetCore Systems

Venture Round in 1998
NetCore Systems develops and markets innovative switching technology for the core of the new Internet. NetCore's products enable Internet Service Providers (ISPs) and carriers to construct a large-scale multi-service core network with the guaranteed performance levels and reliability that businesses need.

ArrowPoint Communications

Series B in 1998
ArrowPoint Communications specializes in the development of content switches designed to enhance the delivery of web content. The company's products offer advanced capabilities that enable internet service providers and web hosting firms to improve the speed and reliability of web experiences for users. By utilizing intelligent traffic management, ArrowPoint's services can direct data flow based on various factors, such as the type of content requested and the frequency of those requests. This innovative approach allows clients to optimize their network performance and meet the growing demands of internet users.

ArrowPoint Communications

Series A in 1997
ArrowPoint Communications specializes in the development of content switches designed to enhance the delivery of web content. The company's products offer advanced capabilities that enable internet service providers and web hosting firms to improve the speed and reliability of web experiences for users. By utilizing intelligent traffic management, ArrowPoint's services can direct data flow based on various factors, such as the type of content requested and the frequency of those requests. This innovative approach allows clients to optimize their network performance and meet the growing demands of internet users.

Grand Junction Networks

Series B in 1994
Grand Junction Networks designs and manufactures high-speed LANs for workgroups. Its solutions are designed to connect server farms or power workgroups with fiber-optic backbones. Grand Junction Networks was founded in 1992 and is based in Fremont, California.

Cascade Communications

Venture Round in 1992
Cascade Communications Corp. offers development, manufacture, marketing, and support of a family of multi service wide area network switches.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.