Matrix Partners
Venture capitalSan Francisco · Pre-Seed–Series A · 18 people tracked
Also known as MATRIX PARTNERS MANAGEMENT SERVICES, LP
Investment thesis
Matrix Partners is an early-stage venture firm that invests from the idea stage through Series A. Positioning itself as a close-knit team of former founders and operators, the firm describes itself as contrarian, investing with conviction alongside founders who bring deep technical expertise and a clear, specific vision of the future. It emphasizes being selective in its investments while generous with its time, and highlights a track record spanning companies such as Apple, FedEx, Oculus, and Canva.
Source: firm website, verified Aug 7, 2026.
Team · 18 people
from the firm's website & public directories
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What they invest in
from 100 of 173 portfolio companiesAI & Machine Learning ×45Enterprise Software ×44SaaS ×34Developer Tools ×18Fintech ×16Cloud Computing ×13Hardware ×12Healthtech ×12
HQs:United States×74India×3Brazil×1Canada×1Netherlands×1
Investments · 173 tracked
founders shown can be your intro path
Apple designs and manufactures consumer electronics, computing devices, and digital services including smartphones, tablets, computers, wearables, and streaming content platforms.
ConsumerHardwareMedia & EntertainmentCupertino, US
Steve JobsSteve WozniakRonald Wayne
Lam Research designs and manufactures semiconductor processing equipment used in the fabrication of computer chips.
Advanced ManufacturingDeep TechEnterprise SoftwareHardwareSemiconductorsFremont, US
Tim Archer(President and Chief Executive Officer)
AntWalk provides a data-driven platform that evaluates and measures human capabilities within organizations, helping them leverage workforce potential for competitive advantage.
AI & Machine LearningEdTechEnterprise SoftwareHR TechBengaluru, IN
Joybroto Ganguly(Founder)in
Namely is a cloud-based HR platform that combines HRIS, payroll, benefits administration, and talent management for mid-market companies.
Enterprise SoftwareHR TechSaaSNew York, US
Matthew Straznitskas(Executive Officer, Director)
BoardAdam D'Augelli(Director)David Skok(Director)
RightHand Robotics develops an AI-powered robotic piece-picking platform for order fulfillment in e-commerce and supply chain operations.
AI & Machine LearningLogistics & Supply ChainRoboticsSomerville, US
San Francisco, US
John Douglas Kobs II(Executive Officer, Director)Josh Hannah(Director)Charles Christopher Herndon(Executive Officer, Director)Dana Stalder(Director)
Board seatDana Stalder· per SEC Form D
Boston, US
Ed Anderson(Director)Yusun Kim Riley(Executive Officer, Director)Tim Barrows(Director)
Board seatTim Barrows· per SEC Form D · $8M raise · filed Aug 2015
CloudZero provides cost allocation and financial management for AI workloads, helping companies understand the ROI of their AI investments across cloud platforms and AI services.
AI & Machine LearningCloud ComputingEnterprise SoftwareBoston, US
Erik Peterson(Executive Officer, Director)Don Bulens(Executive Officer, Director)Philip Pergola(Executive Officer, Director)Michael Skok(Director)
BoardJames Orsillo(Director)
Board seatTim Barrows· per SEC Form D
Boston, US
James M. Moran(Director)Tim Barrows(Director)Mark Quinlivan(Executive Officer, Director)
Board seatTim Barrows· per SEC Form D · $17M raise · filed Nov 2015
Lever is a modern applicant tracking system (ATS) and recruiting CRM platform that combines candidate management, automation, and AI-powered tools to help companies attract, nurture, and hire top talent more efficiently.
Enterprise SoftwareHR TechSaaSSan Francisco, US
Nate Smith(Founder/CEO/CTO)inBrian Noguchi(Founder)inSarah Nham(Founder)Randal Truong(Founder)Sarah Nahm(Founder/CEO)inDana Stadler(Director)
Board seatDana Stalder· per SEC Form D
Boulder, US
Kevin Frick(Director)Randall Fagundo(Executive Officer, Director)Dana Stalder(Director)Ari Freeman(Director)Andy Volkmann(Executive Officer)
Board seatDana Stalder· per SEC Form D · $2.5M raise · filed May 2016
BiotechCambridge, US
Thomas McNaughton(Executive Officer)Venkataramanan Soundararajan(Executive Officer)Murali Aravamudan(Executive Officer, Director)John Halamka(Director)David Goel(Director)Ajit Rajasekharan(Executive Officer)
Board seatTim Barrows· per SEC Form D · $9.6M raise · filed Mar 2020
Optura helps enterprise healthcare organizations identify and implement AI initiatives with measurable returns on investment.
AI & Machine LearningEnterprise SoftwareHealthtechFranklin, US
Andy Fanning(Co-Founder, CEO)Michael Hollis(Co-Founder, President)TJ PARKER(Director)
Board seatTJ Parker· per SEC Form D
Campbell, US
John Taylor(Executive Officer, Director)Andrew Verhalen(Director)Mark Santora(Director)Paul Madera(Director)Patrick Harr(Executive Officer, Director)Gill Cogan(Director)
Board seatAndrew Verhalen· per SEC Form D · $32.9M raise · filed Jan 2017
San Francisco, US
Eric Palm(Executive Officer, Director)Lawrence Coburn(Director)Zubin Bhettay(Executive Officer, Director)Nihal Mehta(Director)
Board seatDana Stalder· per SEC Form D · $18M raise · filed Apr 2022
San Francisco, US
Board seatDana Stalder· per SEC Form D · $8.7M raise · filed Nov 2019
Sila Nanotechnologies engineers next-generation battery materials, particularly silicon anodes, for use in electric vehicles, wearables, and other energy-intensive applications.
Deep TechEnergyHardwareNew MaterialsSan Jose, US
Gleb Yushin(Co-Founder & CTO)Gene Berdichevsky(Executive Officer, Director)O. Abbey Omokhodion(Executive Officer)Warren DeSouza(Executive Officer)Victor Miller(Director)
BoardMichael L. Speiser(Director)
Board seatAndrew Verhalen· per SEC Form D
San Jose, US
Thomas Scott(Executive Officer)Carl Showalter(Director)Michael Gallagher(Executive Officer, Director)Cyrus Hadidi(Director)Peter Wexler(Director)Bruce Sachs(Director)
Board seatAndrew Verhalen· per SEC Form D · $30M raise · filed Jan 2015
San Francisco, US
Carl Oscar Peterson(Executive Officer, Director, Promoter)Brian Model(Director)Ilya Sukhar(Director)
Board seatIlya Sukhar· per SEC Form D · $17.6M raise · filed Jun 2026
15Five provides a strategic performance management platform that helps businesses track employee engagement, performance, and retention through tools like performance reviews, goal tracking, and AI-powered manager coaching.
AI & Machine LearningHR TechSaaSSan Francisco, US
David Hassell(Executive Officer, Director)Shane Metcalf(Director)
BoardBrent Hill(Director)Matthew Cowan(Director)
Acacia designs and manufactures optical networking components and systems, including silicon photonics solutions and coherent optical interconnects for cloud data centers, AI clusters, carrier networks, submarine cables, and satellite communications.
Cloud ComputingData & InfrastructureHardware
Accord builds sales execution software that embeds sales methodology into the selling workflow and uses AI agents to handle non-call work, giving sales leaders visibility into deal progression and enabling targeted coaching.
AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US
Suno is a music creation platform that uses AI to enable users of any skill level to generate songs.
AI & Machine LearningCreator EconomyMedia & Entertainment
Aluna Data provides a benchmarking suite for oncology AI models, offering standardized datasets including over 2 million whole slide images across 25+ tumor types with pathologist annotations, whole genome sequencing data, and clinical information for cancer research and AI development.
AI & Machine LearningBiotechDeveloper ToolsEnterprise SoftwareMedical DevicesSan Francisco, US
David Chu(Founder)in
Apollo provides a GraphQL-based API orchestration platform that unifies APIs and data sources for backend teams and frontend applications.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Geoff Schmidt(Founder/CEO)inmatt debergalis(Founder/CTO)Nick Martin(Founder/CTO)
Des Moines, US
Richard Ferguson(Director)Richard Heller(Director)Jon Lensing(Executive Officer, Director)Matthew Grossman(Director)Christian Williams(Executive Officer, Director)
August Health builds software for senior living communities to support caregivers in delivering care.
AI & Machine LearningDigital HealthEnterprise SoftwareHealthtech
Justin Schram(Co-founder, Medical Director)Erez Cohen(Co-founder)
Bonsai is an all-in-one platform for agencies and small businesses that combines project management, time tracking, invoicing, and client relationship management in a single integrated system.
B2B MarketplacesEnterprise SoftwareFintechFuture of WorkSaaSBoulder, US
Matt Nish(Founder)in
Care.com operates a marketplace that connects families with professional caregivers for childcare, senior care, pet care, and household services.
B2B MarketplacesHealthtechHR TechMarketplaces
Brad Wilson(Chief Executive Officer)Chekesha C. Kidd(General Manager, CareBenefits)Wes Burke(Chief People Officer)Bill Chase(General Manager, Consumer)Amit Goyal(Chief Technology Officer)
Cascade Communications provides fiber-optic broadband, telephone, and internet services to rural communities in Iowa.
Cloud ComputingCascade, US
Centaur.ai combines human medical professionals' assessments with AI algorithms to improve diagnostic accuracy for skin lesion evaluation and cancer detection.
AI & Machine LearningData & InfrastructureDigital HealthHealthtechMedical Devices
Erik Duhaime
Software delivery platform helping enterprises manage the complexity of modern software delivery
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does Matrix Partners invest at?
- Matrix Partners invests at the Pre-Seed, Seed, Series A stages.
- What is Matrix Partners's typical check size?
- Matrix Partners typically writes checks of $100K – $10M.
- What sectors does Matrix Partners focus on?
- Matrix Partners focuses on AI & Machine Learning, Consumer, Data & Infrastructure, Deep Tech, Enterprise Software, Fintech, Healthtech, Sector Agnostic, Semiconductors.
- Where is Matrix Partners located?
- Matrix Partners is headquartered in San Francisco, US.
- Does Matrix Partners lead rounds?
- Matrix Partners typically participates in rounds rather than leading them.
Media · Podcasts & interviews
featuring the teamNotifications North Star - Patrick Malatack, Matrix Partners - YouTube
Code Story: Insights from Startup Tech Leaders · Patrick Malatack
Ilya Sukhar '07 - General Partner, Matrix Partners - YouTube
Entrepreneurship at Cornell · Ilya Sukhar
Investor Perspective: Stan Reiss, General Partner, Matrix Partners - YouTube
Columbia TechVentures · Stan Reiss
Antonio Rodriguez, Matrix Partners: 2013 = Facebook becomes a meaningful at-scale platform - YouTube
iMedia Connection · Antonio Rodriguez
Stan Reiss (Matrix Partners)
Stan Reiss · vimeo.com
Images
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