Fundraising Fox

Sebastien de Halleux

Investor

Partner at Graph Ventures

San Francisco, California

Writes $50K – $300K checks · typically $150K

About

Sebastien de Halleux, serial entrepreneur-operator and co-founder of Playfish, Saildrone and Field AI, brings gaming, ocean-tech and robotics product experience and prioritizes product quality and user delight over monetization.

Invests in

AI & Machine LearningCrypto & Web3Deep TechDeveloper ToolsE-commerceEdTechEnterprise SoftwareFintechHardwareMarketplacesMedia & EntertainmentPropTechSaaS

Experience

  1. Graph VenturesFounding General Partnercurrent2010 — presentSan Francisco Bay Area
  2. MatchdayCo-Founder & Chief Gaming Officer2022 — 2025San Francisco, California, United States
  3. Field AICOO/Advisor2024 — 2025San Francisco Bay Area
  4. Capricorn Investment GroupEntrepreneur In Residence2021 — 2022Palo Alto, California, United States
  5. Saildrone IncCOO2015 — 2020San Francisco Bay Area
  6. The Aspen InstituteHenry Crown Fellow 20162016 — 2018Aspen, CO
  7. Younited S.A.Board Member2010 — 2017Brussels Metropolitan Area
  8. United World College - USATrustee2011 — 2017Montezuma, New Mexico
  9. Togetr IncFounder & CEO2012 — 2016San Francisco
  10. VittanaBoard Member2011 — 2014Greater Seattle Area
  11. SamasourceBoard Member2011 — 2013San Francisco Bay Area
  12. EAVP Bus Development & Strategic Partnerships, EAi2009 — 2011San Francisco Bay Area
  13. PlayfishChief Operating Officer & Co-Founder2007 — 2009San Francisco Bay Area
  14. NokiaStrategy and Business Development2007Helsinki, Finland
  15. Glu MobileStrategy & Operations2003 — 2007London
  16. Booz Allen HamiltonConsultant2000 — 2003London Area, United Kingdom

Education

  1. Imperial College LondonMEng (Hons), Civil & Environmental Engineering1997 — 2001
  2. Université catholique de LouvainUndergraduate, Ingenieur Civil1996 — 1997
  3. UWC-USAInternational Baccalaureate1994 — 1996

Skills & more

Strategy46Management26Early Stage InvestmentArtificial Intelligence (AI)Climate Tech2Big Data1Start-ups81Strategic Partnerships64Video Games19Social Games11Mobile Devices53Project Management13
+12 moreMonetizationOnline MarketingBusiness DevelopmentMobile GamesSocial NetworkingEntrepreneurshipNew Business DevelopmentMarketingBoard DevelopmentBoard RelationsNon-profit Board DevelopmentCorporate Development

From Sebastien's professional profile.

Colleagues at Graph Ventures

Alexandra Brown
Investor at Graph Ventures
Brian Truong
Partner at Graph Ventures
Julio Vasconcellos
Partner at Atlantico
Omar Siddiqui
Partner at Graph Ventures
Razmig Hovaghimian
Partner at Graph Ventures

Network3

Alexandra BrownScout
Investor at Graph Ventures
Bob SpinnerScout
Founding Partner at Jackson Square Ventures
Brian TruongScout
Partner at Graph Ventures

Investors connected to Sebastien in public investor directories — a warm-intro map.

Frequently asked questions

Where does Sebastien de Halleux work?
Sebastien de Halleux is Partner at Graph Ventures.
What does Sebastien de Halleux invest in?
Sebastien de Halleux invests in AI & Machine Learning, Crypto & Web3, Deep Tech, Developer Tools, E-commerce, EdTech, Enterprise Software, Fintech, Hardware, Marketplaces, Media & Entertainment, PropTech, SaaS.
What check size does Sebastien de Halleux write?
Sebastien de Halleux typically writes checks of $50K – $300K.

Same school

Also attended Imperial College London484

Deji SasegbonVP, Platform & Portfolio Operations at EchoVC PartnersMadison LenormandInvestor at DaphniPauline BoucherInvestor at DaphniLoubaba El AyoubiInvestor at NorthzoneGiovanni MariggiInvestor at MedicxiFrancois PrinslooInvestor at Medicxi

+ 478 more

Also attended Université catholique de Louvain57

Thomas DelplanqueRegulatory Director at Hummingbird VenturesIñigo López-HuertaCFO at Ysios CapitalCharles de LiedekerkeInvestor at Inventures Investment PartnersPaul VarassoPrincipal at Axeleo CapitalJérôme WittamerCo-founder and Managing Partner at Expon CapitalYves TrouveroyInvestment Partner at E-Capital Equity Management

+ 51 more

Also attended UWC-USA4

JeanClaude DorsainvilInvestor at XYZ Venture CapitalShiru MwangiIC Member at Kazana FundKrenar RokaInvestor at Entrepreneurs Roundtable Accelerator (ERA)Ben BrimacombeFounder at Exonic

Shared employers

Also worked at The Aspen Institute76

Toby CoppelCo-founder and Partner at Mosaic VenturesChandar LalPartner at Mosaic VenturesDeena ShakirPartner at Lux CapitalDavid Rosenthal, MDVenture Partner at AlleyCorpGary LauderFounder at Lauder PartnersSamara Mejia HernandezFounding Partner at Chingona Ventures

+ 70 more

Also worked at EA88

David SzeAdvisory Partner at GreylockTiffany SpencerHead of Marketing at Menlo VenturesRajat TanejaInvestor at Foundation CapitalRobert TomkinsonSelf at Mucker CapitalGustav RydstedtAdvisor, Infrastructure Software at Verissimo VenturesShanti BergelManaging Director at TRANSCEND

+ 82 more

Also worked at Nokia164

Viswa SankaranarayananVenture Partner at Monta Vista CapitalAdamAdvisor at Clear VenturesSamir MatkiInvestor at DaphniTony NystenPartner at OpenOceanTimo AhopeltoSerial tech entrepreneur and early-stage investor running Lifeline VenturesJyri EngeströmPartner at Lifeline Ventures

+ 158 more

Also worked at Booz Allen Hamilton144

Neeraj AgrawalGeneral Partner at Battery VenturesRohan BhargavaInvestor at 8VCLiam DonohueInvestor at .406 VenturesTrip HoferVenture Partner at .406 VenturesNekeshia WoodsManaging Partner at Parkway Venture CapitalSean EbertSenior Partner at Altira Group LLC

+ 138 more