Matrix

Matrix is an early-stage venture capital firm investing from idea through Series A, founded in 1977. With a team of former founders and company builders, Matrix has partnered with companies like Apple, FedEx, Oculus, and Canva. They invest across sectors including AI, B2B, consumer, fintech, health tech, and infrastructure.

Ben Altshuler

Partner

Timothy Barrows

General Partner

Diana Kimball Berlin

Partner

Matt Brown

Partner

Phyllis Doherty

Administrative Partner

Paul Ferri

Investor

Liza Gurtin

Partner

Wan Haoji

Partner

Patrick Malatack

Partner

Hardi Meybaum

General Partner

Kojo Osei

Partner

StaN Reiss

General Partner

Antonio Rodriguez

General Partner

Paul Sherer

Venture Partner

David Su

Managing Partner

Sun Linghao

Managing Partner

Tong Ti

Vice President

Kevin Xiong

Partner

Past deals in Virtualization

Arcfra

Funding Round in 2024
Arcfra is a technology company that specializes in simplifying on-premises enterprise cloud infrastructure. It offers a full-stack, software-defined platform that enables businesses to build robust, future-proof infrastructure from bare metal. The platform provides a range of services, including computing, storage, networking, security, backup, disaster recovery, and Kubernetes support, all within a single stack. It supports both virtual machines and containers, ensuring flexibility and adaptability for enterprises in the cloud and AI era.

RootCloud

Series B in 2019
RootCloud is a Beijing-based cloud computing platform founded in 2016, specializing in industrial Internet-of-Things (IoT) applications. It offers a comprehensive solution that encompasses various layers, including connection, platform, and application layers, aimed at enhancing industrial operations. The company primarily serves machine manufacturers, equipment users, government agencies, and social organizations, providing services such as smart manufacturing, research and development, and equipment financing. RootCloud leverages its extensive expertise in IoT and big data to support digital transformation and life-cycle management for large-scale manufacturing enterprises. By delivering service-as-a-service applications on public cloud infrastructure, RootCloud enables clients to improve operational efficiency and product quality, fundamentally reshaping the way industrial enterprises manage their businesses.

RootCloud

Series A in 2018
RootCloud is a Beijing-based cloud computing platform founded in 2016, specializing in industrial Internet-of-Things (IoT) applications. It offers a comprehensive solution that encompasses various layers, including connection, platform, and application layers, aimed at enhancing industrial operations. The company primarily serves machine manufacturers, equipment users, government agencies, and social organizations, providing services such as smart manufacturing, research and development, and equipment financing. RootCloud leverages its extensive expertise in IoT and big data to support digital transformation and life-cycle management for large-scale manufacturing enterprises. By delivering service-as-a-service applications on public cloud infrastructure, RootCloud enables clients to improve operational efficiency and product quality, fundamentally reshaping the way industrial enterprises manage their businesses.

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.

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.

Unidesk

Venture Round in 2012
Unidesk is a software company based in Marlborough, Massachusetts, founded in 2007, specializing in virtual desktop management solutions. The company has developed a management platform that enhances Windows app mobility through its patented application layering technology. This innovative approach allows IT departments to containerize Windows applications, enabling them to manage these apps efficiently across various environments, including cloud, on-premises, and hybrid systems. Unidesk distinguishes itself from traditional application delivery methods by offering significant packaging simplicity, high application compatibility, and platform independence.

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.

Unidesk

Series B in 2010
Unidesk is a software company based in Marlborough, Massachusetts, founded in 2007, specializing in virtual desktop management solutions. The company has developed a management platform that enhances Windows app mobility through its patented application layering technology. This innovative approach allows IT departments to containerize Windows applications, enabling them to manage these apps efficiently across various environments, including cloud, on-premises, and hybrid systems. Unidesk distinguishes itself from traditional application delivery methods by offering significant packaging simplicity, high application compatibility, and platform independence.

Hyper9

Series B in 2009
Hyper9, Inc. provides virtualization management solutions. It offers virtual infrastructure search and analytics solutions, which includes consolidated view, environment monitoring, analytics, and collaboration. Hyper9, Inc. was formerly known as InovaWave, Inc. and changed its name in February 2006. The company was founded in 2006 and is based in Austin, Texas.

Mazu Networks

Series D in 2008
Mazu Networks, Inc. is a developer of network infrastructure software that specializes in solutions designed to manage, secure, and optimize the availability and performance of business services. The company's flagship product, Mazu Profiler, provides network behavior analysis through features such as behavioral analytics, user identification, and application fingerprinting. This system supports various IT initiatives, including application performance management, WAN management, and security compliance. Additionally, Mazu Profiler Discovery assists in identifying configuration items across networks for effective inventory and dependency management. Mazu Networks serves a diverse clientele, including IT senior management, network engineering, and security professionals across sectors such as financial services, technology, manufacturing, and media. Founded in 2000 and headquartered in Cambridge, Massachusetts, Mazu Networks has established partnerships with major technology firms and operates additional offices in key U.S. cities. As of early 2009, Mazu Networks functions as a subsidiary of Riverbed Technology, Inc.

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.

Virtual Iron Software

Series E in 2008
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

Virtual Iron Software

Series D in 2007
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

Akorri Networks

Series C in 2007
Akorri, Inc. is a provider of cross-domain performance management software tailored for virtualized data centers, founded in 2005 and based in Littleton, Massachusetts. The company's primary product, BalancePoint, is an agent-less management solution designed for IT operations, system and storage administrators, and application owners. BalancePoint employs Cross-Domain Analysis technology to gather and correlate performance data across servers, storage, and infrastructure, facilitating improved application performance management. It features Application Fingerprinting technology, which characterizes application workloads and models resource utilization over time. Additionally, the software includes Performance Dynamics Modeling technology that proactively identifies potential application performance issues before they arise. Akorri also offers professional services, assessments, and training to support its customers in optimizing their data center operations.

Hyper9

Series B in 2007
Hyper9, Inc. provides virtualization management solutions. It offers virtual infrastructure search and analytics solutions, which includes consolidated view, environment monitoring, analytics, and collaboration. Hyper9, Inc. was formerly known as InovaWave, Inc. and changed its name in February 2006. The company was founded in 2006 and is based in Austin, Texas.

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.

Blue Lane Technologies

Series B in 2006
Blue Lane Technologies, Inc. specializes in providing vulnerability shields for both physical and virtual server infrastructure, safeguarding a range of operating systems, applications, and databases at the application layer. The company's offerings include VirtualShield, which features application-aware firewalling, inter-VM flow visibility and analytics, application policy control, and intrusion prevention, alongside ServerShield, a network security appliance. These solutions are designed to enhance the security of servers and virtual machines. Founded in 2002 and based in Cupertino, California, Blue Lane Technologies serves various industries, including financial services, healthcare, high technology, hosting, and retail. As of September 30, 2008, the company operates as a subsidiary of VMware, Inc.

Akorri Networks

Series B in 2006
Akorri, Inc. is a provider of cross-domain performance management software tailored for virtualized data centers, founded in 2005 and based in Littleton, Massachusetts. The company's primary product, BalancePoint, is an agent-less management solution designed for IT operations, system and storage administrators, and application owners. BalancePoint employs Cross-Domain Analysis technology to gather and correlate performance data across servers, storage, and infrastructure, facilitating improved application performance management. It features Application Fingerprinting technology, which characterizes application workloads and models resource utilization over time. Additionally, the software includes Performance Dynamics Modeling technology that proactively identifies potential application performance issues before they arise. Akorri also offers professional services, assessments, and training to support its customers in optimizing their data center operations.

Mazu Networks

Venture Round in 2006
Mazu Networks, Inc. is a developer of network infrastructure software that specializes in solutions designed to manage, secure, and optimize the availability and performance of business services. The company's flagship product, Mazu Profiler, provides network behavior analysis through features such as behavioral analytics, user identification, and application fingerprinting. This system supports various IT initiatives, including application performance management, WAN management, and security compliance. Additionally, Mazu Profiler Discovery assists in identifying configuration items across networks for effective inventory and dependency management. Mazu Networks serves a diverse clientele, including IT senior management, network engineering, and security professionals across sectors such as financial services, technology, manufacturing, and media. Founded in 2000 and headquartered in Cambridge, Massachusetts, Mazu Networks has established partnerships with major technology firms and operates additional offices in key U.S. cities. As of early 2009, Mazu Networks functions as a subsidiary of Riverbed Technology, Inc.

Virtual Iron Software

Series C in 2005
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

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.

Akorri Networks

Series A in 2005
Akorri, Inc. is a provider of cross-domain performance management software tailored for virtualized data centers, founded in 2005 and based in Littleton, Massachusetts. The company's primary product, BalancePoint, is an agent-less management solution designed for IT operations, system and storage administrators, and application owners. BalancePoint employs Cross-Domain Analysis technology to gather and correlate performance data across servers, storage, and infrastructure, facilitating improved application performance management. It features Application Fingerprinting technology, which characterizes application workloads and models resource utilization over time. Additionally, the software includes Performance Dynamics Modeling technology that proactively identifies potential application performance issues before they arise. Akorri also offers professional services, assessments, and training to support its customers in optimizing their data center operations.

Blue Lane Technologies

Series B in 2005
Blue Lane Technologies, Inc. specializes in providing vulnerability shields for both physical and virtual server infrastructure, safeguarding a range of operating systems, applications, and databases at the application layer. The company's offerings include VirtualShield, which features application-aware firewalling, inter-VM flow visibility and analytics, application policy control, and intrusion prevention, alongside ServerShield, a network security appliance. These solutions are designed to enhance the security of servers and virtual machines. Founded in 2002 and based in Cupertino, California, Blue Lane Technologies serves various industries, including financial services, healthcare, high technology, hosting, and retail. As of September 30, 2008, the company operates as a subsidiary of VMware, Inc.

Mazu Networks

Series C in 2004
Mazu Networks, Inc. is a developer of network infrastructure software that specializes in solutions designed to manage, secure, and optimize the availability and performance of business services. The company's flagship product, Mazu Profiler, provides network behavior analysis through features such as behavioral analytics, user identification, and application fingerprinting. This system supports various IT initiatives, including application performance management, WAN management, and security compliance. Additionally, Mazu Profiler Discovery assists in identifying configuration items across networks for effective inventory and dependency management. Mazu Networks serves a diverse clientele, including IT senior management, network engineering, and security professionals across sectors such as financial services, technology, manufacturing, and media. Founded in 2000 and headquartered in Cambridge, Massachusetts, Mazu Networks has established partnerships with major technology firms and operates additional offices in key U.S. cities. As of early 2009, Mazu Networks functions as a subsidiary of Riverbed Technology, Inc.

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.

Blue Lane Technologies

Series A in 2003
Blue Lane Technologies, Inc. specializes in providing vulnerability shields for both physical and virtual server infrastructure, safeguarding a range of operating systems, applications, and databases at the application layer. The company's offerings include VirtualShield, which features application-aware firewalling, inter-VM flow visibility and analytics, application policy control, and intrusion prevention, alongside ServerShield, a network security appliance. These solutions are designed to enhance the security of servers and virtual machines. Founded in 2002 and based in Cupertino, California, Blue Lane Technologies serves various industries, including financial services, healthcare, high technology, hosting, and retail. As of September 30, 2008, the company operates as a subsidiary of VMware, Inc.

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.

Mazu Networks

Series A in 2000
Mazu Networks, Inc. is a developer of network infrastructure software that specializes in solutions designed to manage, secure, and optimize the availability and performance of business services. The company's flagship product, Mazu Profiler, provides network behavior analysis through features such as behavioral analytics, user identification, and application fingerprinting. This system supports various IT initiatives, including application performance management, WAN management, and security compliance. Additionally, Mazu Profiler Discovery assists in identifying configuration items across networks for effective inventory and dependency management. Mazu Networks serves a diverse clientele, including IT senior management, network engineering, and security professionals across sectors such as financial services, technology, manufacturing, and media. Founded in 2000 and headquartered in Cambridge, Massachusetts, Mazu Networks has established partnerships with major technology firms and operates additional offices in key U.S. cities. As of early 2009, Mazu Networks functions as a subsidiary of Riverbed Technology, Inc.

Tivoli

Venture Round in 1996
Tivoli is a software company based in Denmark that specializes in developing and marketing management software and cloud infrastructure services. It offers a comprehensive management solution that captures, stores, and distributes output from both local and remote systems. Tivoli's services include cloud and virtualization management, IT service management, asset and facilities management, and endpoint management. The company focuses on optimizing the value of business infrastructures and technology assets by providing visibility, control, and automation across various operations. Acquired by IBM in 1996, Tivoli operates as a brand within IBM's Cloud & Smarter Infrastructure division, continuing to enhance its offerings under the Tivoli Software name.
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