About
Bill Yu is a Partner at Employee Stock Option Fund (ESO Fund), where he invests in late-stage startups through employee equity and leads seed-stage investments with a thesis-driven approach. His portfolio includes Beacons, Copy.ai, Rewbi, and Circle, among investments alongside firms such as Sequoia, Andreessen Horowitz, and Tiger Global. Based in New York City, Yu has been active in the Y Combinator community since 2019 and focuses on technical founders building in SaaS, AI infrastructure, and energy systems.
Experience
- Employee Stock Option Fund (ESO Fund)Partner, Early Investorcurrent2018 — presentSan Francisco Bay Area
- BeaconsInvestorcurrent2021 — presentNew York, New York, United States
- GovEagleInvestorcurrent2023 — presentNew York, New York, United States
- Copy.aiInvestorcurrent2020 — present
- Northrop Grumman CorporationSoftware Engineer2015 — 2018Mclean, Virginia
- First Data CorporationApplication Analyst2014 — 2015Hunt Valley, Maryland
- Johns Hopkins MedicineResearch Associate2013 — 2014Washington DC-Baltimore Area
- The Johns Hopkins UniversityIntern2012 — 2014Washington DC-Baltimore Area
Skills & more
Start-ups4Venture Capital4Software Development5Data Analysis4Business Analysis2Front-End DevelopmentAlternative Investments2Artificial IntelligenceMachine LearningShell ScriptingMobile ApplicationsWeb Applications
+12 more
Computer ScienceNeurosciencePsychologyClient LiaisonFull Stack DevelopmentVersion Control ToolsReal-time Control SystemsParallel ProgrammingPublic SpeakingReact.jsMicrosoft OfficeJavaLanguages Chinese · English · Spanish
From Bill's professional profile.
Colleagues at Winning Together Fund
Andrew Hum
Investor at Winning Together Fund
Angtao Wei
Investor at Winning Together Fund
Brad Merklinger
Investor at Winning Together Fund
Brandon Bedford
Investor at Winning Together Fund
Chris Lu
Investor at Winning Together Fund
Dennis Qian
Investor at Winning Together Fund
Edwin Zhang
Investor at Winning Together Fund
Helen Yin
Principal at Winning Together Fund
Frequently asked questions
- Who is Bill Yu?
- Bill Yu is a Partner at Employee Stock Option Fund (ESO Fund), where he invests in late-stage startups through employee equity and leads seed-stage investments with a thesis-driven approach. His portfolio includes Beacons, Copy.ai, Rewbi, and Circle, among investments alongside firms such as Sequoia, Andreessen Horowitz, and Tiger Global. Based in New York City, Yu has been active in the Y Combinator community since 2019 and focuses on technical founders building in SaaS, AI infrastructure, and energy systems.
- Where does Bill Yu work?
- Bill Yu is at Winning Together Fund.
- Where did Bill Yu go to school?
- Bill Yu studied at The Johns Hopkins University (Neuroscience BS, Neuroscience); Thomas Jefferson High School for Science and Technology (High School).
Same school
Also attended The Johns Hopkins University261
Wes NicholsPartner at March Capital PartnersDemi ObayomiPrincipal at Sapphire VenturesJun JeonInvestor at Khosla VenturesNicole FraenkelInvestor at Khosla VenturesElena VibochManaging Director at General CatalystScott RubinVenture Partner at Lux Capital
+ 255 more
Also attended Thomas Jefferson High School for Science and Technology55
Marcie VuPartner at GreycroftMorgan CheathamPartner and Head of Healthcare and Life Sciences at Breyer CapitalEdi DanalacheSenior Associate at Scale Venture PartnersShreyas GargInvestor at IVP (Institutional Venture Partners)Mike DauberGeneral Partner at Amplify PartnersAnis RashidEIR at Serena Ventures
+ 49 more
Shared employers
Also worked at Employee Stock Option Fund (ESO Fund)1
Also worked at Beacons7
Jessica LiInvestor at Alix VenturesChris LuInvestor at Winning Together FundBryan KimFounder at HipsetColton VoegeFounder/CTO at MimirNeal JeanCo-founder, CEO at BeaconsDavid ZengFounder at Beacons
+ 1 more
Also worked at Northrop Grumman Corporation58
Peter SpasovCo-President at Marlin Equity PartnersJeff PetersPartner at Ibex InvestorsDan KultranCo-Founder & CEO, Claros at Red Cell IncubationJJ AghaChief Information Security Officer & SVP, IT at Asymmetric Capital PartnersFelix ShpilmanVenture Partner at Moses CapitalHrach SimonianAdvisor at Driven
+ 52 more
Also worked at First Data Corporation20
Miles KilburnManaging Partner at Mosaik PartnersDamian ZapłataInvestor at Inovo VCSunil SabharwalAdvisor at SPiCE VCCem MimaroglouScout Partner at Zacua VenturesKwamena AffulFounding Partner at MicrotractionAlex CeperoVP of Finance and Sr Controller at Upper90
+ 14 more