Fundraising Fox

Chris Hailey

Founder

Co-Founder at OS3

San Francisco Bay Area

FoundedOS3 Β· YC

About

Chris Hailey is a co-founder at OS3 who previously worked as a software engineer at Coinbase on the asset addition team. He holds an undergraduate degree in computer science from USC.

Co-Founder at OS3YC S26

Intro paths

YC

Chris went through Y Combinator (Summer 2026) β€” any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer β€” the partner who ran OS3's batch and knows the company first-hand. YC profile β†—

β†’

In turn, Chris can intro founders to OS3's investors below.

OS3's investors Β· 1

Y CombinatorSan Francisco Β· $500K checks Β· since 2026

Co-founders at OS3

RCRishabh Chanana
Rishabh ChananaCo-founder

Experience

  1. OS3Co-Foundercurrent2026 β€” presentSan Francisco Bay Area
  2. AnonSoftware Engineer2025San Francisco Bay Area
  3. NudgeSoftware Engineer2024San Francisco, California, United States
  4. AllianceSoftware Engineer2022 β€” 2024
  5. CoinbaseSoftware Engineer2021 β€” 2022San Francisco Bay Area
  6. MicrosoftEngineering2020San Francisco Bay Area
  7. CoinbaseEngineering2020San Francisco Bay Area

Skills & more

Computer Science

Languages Chinese (Simplified) Β· English

From Chris's professional profile.

Frequently asked questions

Who is Chris Hailey?
Chris Hailey is a co-founder at OS3 who previously worked as a software engineer at Coinbase on the asset addition team. He holds an undergraduate degree in computer science from USC.
Where does Chris Hailey work?
Chris Hailey is Co-Founder of OS3.
What companies did Chris Hailey found?
Chris Hailey founded OS3.
Where did Chris Hailey go to school?
Chris Hailey studied at University of Southern California (Bachelor of Science - BS, Computer Science); Y Combinator (S25); The Harker School (High School Diploma).

Founder mafias

Y Combinator mafia9,496

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Hotspots

+ 9,489 more

Y Combinator mafia5,145

Also came through, then founded or led a company.

Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyGleb ChuvpiloAlumFounded Pager +4IanFounded Apex Technology +3

+ 5,138 more

University of Southern California mafia215

Also came through, then founded or led a company.

Marc BenioffB.S.B.A.Founded SalesforceGabriel PereyraBachelor's degreeFounded HarveyKent WakefordJuris Doctorate (J.D.)Founded Breaking +4Brian CruverBAFounded Xenex +2Erica BresciaBSFounded Bitnami +1Matt MichelsonM.S.Founded Evid Science +1

+ 208 more

Coinbase mafia76

Also came through, then founded or led a company.

Balaji SrinivasanCTOFounded Counsyl +1Fred EhrsamCo-founderFounded NudgeBrian ArmstrongCo-founder & CEOFounded NewLimitKuberan MarimuthuEngineeringFounded Hashcube +2Surojit ChatterjeeChief Product OfficerFounded Ema +1Rob WitoffChief ArchitectFounded Chalktalk +1

+ 69 more

The Harker School mafia30

Also came through, then founded or led a company.

Neil MovvaFounded Sailresearch +1Surbhi SarnaFounded Nvision Medical +1Anita ModiFounded Peer AI +1Omar El-AyatFounded EuclidJosh ZloofFounded Sudden CoffeePeter GaoFounded Aquarium Learning

+ 23 more

Same school

Also attended University of Southern California687

Shaun MaguirePartner at Sequoia CapitalMarc BenioffCo-founder, Chair & CEO of SalesforceGabriel PereyraCo-founder & President of HarveyNatalie VaisInvestor at Spark CapitalErica BresciaManaging Director at Redpoint VenturesDylan PearcePartner at Greycroft

+ 681 more

Also attended Y Combinator2,000

Ryan SheaCo-founder of Blockstack (Stacks)Suhail DoshiFounder of Mixpanel; founder of ParticleArhaan A.Deeptech Fellow at Clear VenturesAkshat GoenkaInvestor at Moonfire VenturesJon XuGeneral Partner at Y CombinatorChris GoldaGeneral Partner at Y Combinator

+ 1,994 more

Also attended The Harker School52

Neil MehtaCo-founder & Managing Partner at GreenoaksChiraag DeoraPrincipal at GreycroftJosephine ChenInvestor at Sequoia CapitalSonya HuangPartner at Sequoia CapitalTiffany YuPrincipal at 7wire VenturesAjay KamatPartner at Pear VC

+ 46 more

Shared employers

Also worked at OS31

Rishabh ChananaCo-founder at OS3

Also worked at Anon1

Boateng Opoku-YeboahFounder at Fuse

Also worked at Nudge1

Fred EhrsamCo-founder and Senior Advisor at Paradigm; founder of Nudge

Also worked at Alliance9

Mike HickeyCFO at AN Venture PartnersYY LaiTeam Member at Signum CapitalHenry ChenInvestor at WAGMI VenturesWill RobinsonInvestor at Alliance DAO (ex DeFi Alliance)Baek KimPartner at HashedImran KhanVenture Partner at VOLT CAPITAL

+ 3 more