Fundraising Fox

Alex Hsia

Founder

Founder at Gait

San Francisco, California, United States

FoundedGait · YC

About

Alex Hsia worked as a developer at Jane Street and Mercury, and studied computer science at Carnegie Mellon University. He is now building developer tools focused on integrating AI code generation.

Founder at GaitYC F24

Intro paths

YC

Alex went through Y Combinator (Fall 2024) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Pete Koomen, General Partner at Y Combinator — the partner who ran Gait's batch and knows the company first-hand. YC profile ↗

→

In turn, Alex can intro founders to Gait's investors below.

Gait's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2024

Co-founders at Gait

KLKyle Li
Kyle LiFounder

Experience

  1. Jane StreetQuantitative Tradercurrent2025 — present
  2. gaitCofounder2024 — 2025
  3. Jane StreetSoftware Engineering Intern2024New York, New York, United States
  4. MercuryBackend Engineering Intern2023NYC
  5. VivoIntern2019Shenzhen, Guangdong, China

Skills & more

Python (Programming Language)2Computer Vision2Machine Learning2Image ProcessingArtificial Intelligence (AI)Deep LearningReinforcement Learning

Languages English · Mandarin

From Alex's professional profile.

Frequently asked questions

Who is Alex Hsia?
Alex Hsia worked as a developer at Jane Street and Mercury, and studied computer science at Carnegie Mellon University. He is now building developer tools focused on integrating AI code generation.
Where does Alex Hsia work?
Alex Hsia is Founder of Gait.
What companies did Alex Hsia found?
Alex Hsia founded Gait.
Where did Alex Hsia go to school?
Alex Hsia studied at Carnegie Mellon University (Bachelor of Science - BS, Computer Science); Singapore American School (High School Diploma); Carnegie Mellon University (Non-Degree Student, Computer Science).

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

Carnegie Mellon University mafia231

Also came through, then founded or led a company.

Kai-Fu LeeResearch Computer Scientist / Assistant ProfessorFounded 01Lucy GuoComputer ScienceFounded Passes +1Joshua XuMaster's degreeFounded HeyGenWilliam GuttmanDistinguished Service Professor of Economics & Special Advisor to ProvostFounded CurvePoint +3Dr. Manu KumarBSFounded K9 Ventures +2Rodney BrooksResearch ScientistFounded Rethink Robotics +2

+ 224 more

Mercury mafia11

Also came through, then founded or led a company.

Immad AkhundFounder & CEOFounded Clickpass +1Jamie QuintInterim Head of GrowthFounded Rye +1Nilay ModiDesigningFounded Central +1Benjamin NetterInvestorFounded October +1Tommaso TombaInvestorFounded Moons +1Peter NixeyInvestorFounded Clickpass

+ 4 more

Singapore American School mafia7

Also came through, then founded or led a company.

Jeffrey LiuFounded Guavapass +1Nitya AroraHigh SchoolFounded Peppr AIRishi SrihariFounded OpennoteAryan SawhneyFounded NarrativeShaivi RauHigh School DiplomaFounded LitmusArjun ChalihaHigh School DiplomaFounded Marble

North Allegheny High School mafia2

Also came through, then founded or led a company.

Mia HegazyFounded Presence learning

Same school

Also attended Carnegie Mellon University410

Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AILucy GuoCo-founder of Scale AI; founder & CEO of PassesJoshua XuCo-founder & CEO of HeyGenJavier SolteroSenior Venture Partner at Felicis VenturesAvi BharadwajInvestment Director at Intel CapitalOren EtzioniVenture Partner at Madrona Venture Group

+ 404 more

Also attended Singapore American School15

Wesley TilluPartner at S32 focused on frontier technology investmentsAnushka BharvaniVice President Brand, Marketing & Consumer Insights at DSG Consumer PartnersYasmin VenemaPrincipal at 4impact capitalLindsay GriderPartner and Head of Capital Partnerships at Braemont CapitalMartha CabaeroContent Manager, Recruiting at ITERATIVESonia ParekhAssociate at Longitude Capital

+ 9 more

Also attended North Allegheny High School2

Caroline LucasMarketing & Communications Coordinator at NYU Innovation Venture FundMia HegazyPrincipal at Catalyst Investors

Shared employers

Also worked at gait1

Kyle LiFounder at Gait

Also worked at Jane Street55

Arvid LunnemarkFounder of Integrous Research; co-founder of CursorLeigh Marie BraswellPartner at KPCBIvory TangInvestor at ChemistryChang XuPartner at Basis Set VenturesAlexander GuInvestor at E14 FundChris ClarkInvestor at FalconX Credit / Pareto Vault

+ 49 more

Also worked at Mercury24

Will ReedInvestor at Spark CapitalPaul LevineOperating Partner at Sapphire VenturesSonya HuangPartner at Sequoia CapitalNeil TolaneyGeneral Partner at TCVStu SmithPartner at Scribble VenturesS.K. LeeExecutive Coach at Roble Ventures

+ 18 more

Also worked at Vivo1

Aaron LiFounder at Adam