About
Bill Chen is a computer scientist educated at Columbia University who grew up in Vancouver, Canada.
Founder at RiskAngleYC S24
Intro paths
YC
Bill went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was David Lieb, General Partner at Y Combinator — the partner who ran RiskAngle's batch and knows the company first-hand. YC profile ↗
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In turn, Bill can intro founders to RiskAngle's investors below.
RiskAngle's investors · 1
Co-founders at RiskAngle
WH
William HuFounder
Experience
- OpenAIResearch Engineercurrent2025 — presentSan Francisco, California, United States
- Angel InvestorAngel Investorcurrent2022 — present
- RiskAngle (YC S24)Co-Founder2024 — 2025
- RetoolDeployed Engineer2021 — 2024San Francisco Bay Area
- MetaSoftware Engineer2019 — 2020
- Morgan StanleyAnalyst2018 — 2019
- ByteDanceProduct2017 — 2018Beijing, China
- Stony Brook UniversityResearch Fellow2016 — 2017
Skills & more
Solution Architecture3Cloud ComputingEntrepreneurshipResearch15Statistics2Time Management2Music2Data Analysis2Prototyping3JavaScriptMicrosoft Office2Java3
+8 more
PythonC++LaTeXGenerative AIPublic SpeakingTeamworkLeadershipCodingLanguages English · French · Japanese · Mandarin Chinese
- CFA Program Level I — CFA Institute
From Bill's professional profile.
Frequently asked questions
- Who is Bill Chen?
- Bill Chen is a computer scientist educated at Columbia University who grew up in Vancouver, Canada.
- Where does Bill Chen work?
- Bill Chen is Founder of RiskAngle.
- What companies did Bill Chen found?
- Bill Chen founded RiskAngle.
- Where did Bill Chen go to school?
- Bill Chen studied at Y Combinator; Columbia University (Bachelor of Science - BS, Computer Science); The Wharton School (JD/MBA).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
The Wharton School mafia209
Also came through, then founded or led a company.
Kunal BahlMarketing and Operations StrategyFounded SnapdealJack AbrahamBachelors of Science in Economics *Dropped outFounded Sauron +8Ankur JainBachelor of Science (BS)Founded Kairos +3Christian SchadeMaster of Business Administration - MBAFounded Halda Therapeutics +2Eric HeilMBAFounded Ladderbio +1Daniel FetnerMaster of Business Administration (MBA)Founded Instrument Capital +1
+ 202 more
Columbia University mafia200
Also came through, then founded or led a company.
Ben HorowitzBAFounded OpswareChris DixonBachelor of Arts - BAFounded HunchKai-Fu LeeA.B.Founded 01Robin ChanB.A.Founded Operator +2Kevin M. SlawinB.A.Founded Perseus SENOLYTIX +2Joey LevyBachelor of Arts (B.A.)Founded Draftpot +2
+ 193 more
OpenAI mafia68
Also came through, then founded or led a company.
Reid HoffmanBoard MemberFounded LinkedIn +2Sam AltmanCo-founder & CEOFounded Tools for Humanity +2Elon MuskCo-founder & former Co-chair / board memberFounded PayPal +5Ilya SutskeverCo-founder & Chief ScientistFounded Safe SuperintelligenceAravind SrinivasResearch ScientistFounded PerplexityDario AmodeiVP of ResearchFounded Anthropic
+ 61 more
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended Columbia University726
Ben HorowitzCo-founder & General Partner at Andreessen HorowitzDoug LeonePartner at Sequoia Capital; former Global Managing PartnerChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIGabriella GiglioHR & Executive Talent at General CatalystScott BillerInvestor at GV (Google Ventures)
+ 720 more
Also attended The Wharton School1,557
Fred WilsonCo-founder & Partner at Union Square VenturesSarah GuoFounder & General Partner of ConvictionJosh KopelmanFounder and Partner at First Round CapitalAydin SenkutFounder & Managing Partner at FelicisKunal BahlCo-founder of Snapdeal; co-founder of Titan CapitalJack AbrahamFounder, CEO & Managing Partner of Atomic
+ 1,551 more
Also attended Peking University143
Erica WuInvestment Director at Intel CapitalGiuseppe IademarcoHead of Global Partnership at P101 VenturesLucy BradyHead of Product at Giant Ventures Global LlpLuke TangManaging Partner at G Vision CapitalJonathan BarekChief Operating Officer at Next47Raaj RayatPrincipal at AirTree Ventures
+ 137 more
Shared employers
Also worked at OpenAI133
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockPat GradyPartner at Sequoia CapitalGreg BrockmanCo-founder & President of OpenAIIlya SutskeverCo-founder of OpenAI; co-founder & CEO of Safe SuperintelligenceAravind SrinivasCo-founder & CEO of Perplexity AIDario AmodeiCo-founder & CEO of Anthropic
+ 127 more
Also worked at RiskAngle (YC S24)1
Also worked at Retool16
Ghazi MasoodVenture Partner at Ansa CapitalBryan SchreierPartner at Sequoia CapitalDavid DworskyPrincipal at Emergence Capital PartnersGeorge KuntharaInvestor at Emergence Capital PartnersJustin GageVP of Marketing at Amplify PartnersSerena LiuInvestor at Hummingbird Ventures
+ 10 more
Also worked at Meta304
Nat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceDrew HoustonCo-founder & CEO of DropboxGabriel PereyraCo-founder & President of HarveyTinaInvestments & Portfolio Services Team Member at Clear VenturesMike ArpaiaComputer scientist working on machine learning and data infrastructure
+ 298 more