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 Series F

Flock Safety

Series F in 2025
Flock Safety is a company that specializes in security solutions through the use of automated license plate recognition (ALPR) cameras. Its primary product, the ALPR camera system, is designed for use by neighborhoods, law enforcement agencies, and businesses to capture and analyze vehicle license plates. This technology aids in both preventing and solving crimes by providing actionable data to local authorities. Flock Safety's platform emphasizes community collaboration, integrating efforts from cities, businesses, schools, and law enforcement to enhance public safety. The company's full-service, maintenance-free technology is trusted by various communities as a means to deter crime and promote a safer environment for residents. Additionally, the system proactively alerts police when stolen vehicles enter monitored areas, enabling faster response and community involvement in crime prevention.

Yuanfudao

Series F in 2018
Yuanfudao, founded in 2012, is the largest online live course platform in China, catering to primary and secondary school students. With over 1 million paying users, it provides a comprehensive curriculum that includes subjects such as English, Mathematical Olympiad, and various all-subject courses for secondary education. The platform features live online tutoring conducted by nationally recognized teachers, allowing students to receive quality education from home. By utilizing big data analysis, Yuanfudao enables students to identify their learning weaknesses and engage in targeted learning, thus enhancing their educational outcomes. The combination of its extensive course offerings and a large pool of qualified educators benefits hundreds of thousands of students across the country.

Taulia

Series F in 2017
Founded in 2009, Taulia develops AI-driven supply chain management software. It offers dynamic discounting, cash forecasting, invoice automation, supplier management solutions for buyers, and early payment, e-invoicing services for suppliers. With strategic alliances like KPMG, Taulia operates globally with offices across North America, Europe, and Australia.

Heptagon Advanced Micro Optics

Series F in 2013
Heptagon specializes in the manufacture of advanced micro-optics systems and optical packaging for smart devices. The company is recognized for its expertise in imaging, light, and sensor technologies, particularly through its innovative Time-of-Flight (ToF) sensors. Heptagon’s products integrate illumination, lens systems, and packaging technologies at the wafer level, which allows original equipment manufacturers (OEMs) to streamline their product development processes and reduce time-to-market. With over 20 years of experience, Heptagon has established a reputation for delivering breakthrough technologies while maintaining total supply chain control and a commitment to integrity.

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.

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.
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