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Sebastien de Halleux

InvestorFounder

Partner at Graph Ventures · Founder at Matchday

San Francisco, California

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

FoundedMatchday

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Ask Terry Chuah to introduce you to Sebastien

You →Terry · together at Capricorn Investment Group (2021–2022) →Sebastien

Ask Jamie Chen to introduce you to Sebastien

You →Jamie · 3 people · together at GLU Mobile →Sebastien

Ask Sam Okafor to introduce you to Sebastien

You →Sam · 4 people · together at Henry Crown Fellowship Class XX: 2016 Straight Outta Aspen Class →Sebastien

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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

Founder at Matchday

Intro paths

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In turn, Sebastien can intro founders to Matchday's investors below.

Matchday's investors · 13

Abstract VenturesSan Francisco · $250K – $750K checksCapricorn Investment GroupNew York · since 2023Claritas CapitalNashville · $2M – $5M checksCourtside VenturesNew York · $1M – $1.5M checks · since 2023FermionChicago · $500K – $10M checksGraph VenturesNew York · $50K – $300K checksGreylock PartnersSan Francisco · $100K – $10M checks · since 2023Hack VCPalo Alto · $3M checks · since 2023Horizons VenturesHong Kong · $500K – $10M checks · since 2023Kyber Knight CapitalSan FranciscoMoonshots CapitalAustin · $5K – $2.5M checks · since 2023Play Time VenturesSan Francisco · since 2023Yes VCSan Francisco · $30K – $1.5M checks

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

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.

Investments

Investor

AppcanaryBlue ApronCape PrivacyClearSpaceCut+DryDapper LabsEnjoeiEntrupyFakespotFigFormallyipsyKosmikManifold.coMeliuzMetadataMightyFlyNeurocluesPicsArtQuero EducationRealoREGENTSaildroneSailPlanSparkcentralTalentWorksVGSWet Dog WeatherYada

Per curated public sources.

Colleagues at Graph Ventures

Alexandra Brown
Investor at Graph Ventures
Brian Truong
Partner at Graph Ventures
Julio Vasconcellos
Partner at Atlantico
Matt Wyndowe
Partner at Graph Ventures
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

Who is Sebastien de Halleux?
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.
Where does Sebastien de Halleux work?
Sebastien de Halleux is Founder of Matchday and 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.
What companies did Sebastien de Halleux found?
Sebastien de Halleux founded Matchday.
What companies has Sebastien de Halleux invested in?
Investments tracked here include Appcanary, Blue Apron, Cape Privacy, ClearSpace, Cut+Dry, Dapper Labs, Enjoei, Entrupy, Fakespot, Fig, Formally, ipsy, and 17 more.
Where did Sebastien de Halleux go to school?
Sebastien de Halleux studied at Imperial College London (MEng (Hons), Civil & Environmental Engineering); Université catholique de Louvain (Undergraduate, Ingenieur Civil); UWC-USA (International Baccalaureate).

Founder mafias

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