Fundraising Fox

Sizi Chen

Investor

General Partner at FoundersX Ventures

Cambridge, Massachusetts, United States

About

Sizi Chen is a General Partner at FoundersX Ventures, where she leads research in AI, semiconductors, and deep technology, with focus areas including power, compute, model architecture, and applications. She invests early in technical founders, particularly those pursuing fundamental advances in materials, energy, and compute, as well as data and AI platforms across science, healthcare, finance, and legal sectors. Chen is also an accomplished harpist and pianist who performs in the Boston area.

Experience

  1. FoundersX VenturesGeneral Partnercurrent2025 — present
  2. FoundersX VenturesPartner2022 — 2025Cambridge, MA; Menlo Park, CA
  3. FoundersX VenturesVenture Fellow2020 — 2022
  4. Digital Therapeutics AllianceInvestor Advisory Board2024 — 2025
  5. MIT Media LabProducer of Special Projects2016 — 2020Cambridge, Massachusetts, United States
  6. Albright Stonebridge GroupSummer Analyst2014Washington D.C. Metro Area

Education

  1. Stanford UniversityMaster’s Degree, Management Science and Engineering (Operations Research)
  2. Stanford UniversityBachelor’s Degree, Music
  3. Harvard Business SchoolExecutive Education, Investment Management Workshop
  4. Massachusetts Institute of TechnologyMIT Advanced Study Program, Mathematics and Computer Science
  5. New England Conservatory of MusicHarp, piano
  6. Harvard Medical SchoolCoursework in neuroscience and psychology

Skills & more

Investments

From Sizi's professional profile.

Colleagues at FoundersX Ventures

Devin Lai
Investment Associate at FoundersX Ventures
Helen Liang
Founder & General Partner at FoundersX Ventures
Irene Tsen
Investment Associate at FoundersX Ventures
Leo Cui
General Partner at FoundersX Ventures
Tom Kosnik
Partner at FoundersX Ventures
Tor Parawell
Partner at FoundersX Ventures
Tristan Staschik
Partner at FoundersX Ventures
Yicong Li
Venture Fellow at FoundersX Ventures

Frequently asked questions

Where does Sizi Chen work?
Sizi Chen is General Partner at FoundersX Ventures.

Same school

Also attended Stanford University2,000

Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; PCAST co-chair; former White House AI & crypto czarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital

+ 1,994 more

Also attended Massachusetts Institute of Technology1,281

Fred WilsonCo-founder & Partner at Union Square VenturesElad GilSolo general partner investing through Gil CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesHemant TanejaCEO & Managing Director of General CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and Techstars

+ 1,275 more

Also attended New England Conservatory of Music2

Sara TateExecutive Assistant at Questa CapitalBrian ZhaoInvestment Team at M12 (Microsoft's Venture Fund)

Also attended Harvard Medical School135

Niko BonatsosInvestment Team at General CatalystAnthony PhilippakisInvestor at GV (Google Ventures)Ben RobbinsInvestor at GV (Google Ventures)David ReshefInvestor at GV (Google Ventures)Krishna YeshwantInvestor at GV (Google Ventures)Morgan CheathamPartner and Head of Healthcare and Life Sciences at Breyer Capital

+ 129 more

Shared employers

Also worked at FoundersX Ventures8

Helen LiangFounder & General Partner at FoundersX VenturesJessica KohSenior Executive Director, Investment at Vertex Ventures Sea Management Pte. Ltd.Tom KosnikPartner at FoundersX VenturesTristan StaschikPartner at FoundersX VenturesTor ParawellPartner at FoundersX VenturesIrene TsenInvestment Associate at FoundersX Ventures

+ 2 more

Also worked at Digital Therapeutics Alliance2

Marko KuismaPartner, Innovestor Life Science at Innovestor VenturesPavan ChoksiPartner at Arkitekt Ventures

Also worked at MIT Media Lab97

Wesley ChanInvestor at Felicis VenturesDr. Catherine HavasiAdvisor at AI CapitalWill JackInvestor at Alsop Louie PartnersArjan SchütteFounder & Managing Partner at Core Venture CapitalKevin TuPartner at DFJAbdulrahman TarabzouniFounder & CEO at STV

+ 91 more

Also worked at Albright Stonebridge Group6

Melissa FrakmanCEO & Founding Partner at Emphasis VenturesAlexis KriegDirector, Programs and Policy at Omidyar NetworkLuis Guillermo PlataAssociate Partner at Axon Partners GroupShahaan BashirAnalyst at Updata PartnersAddis AlemayehouFounding & General Partner at Kazana FundPar NuderChairman at Tera Ventures