COMPANY PROFILE · UPDATED 02 SEP 2026

Y Combinator

Y Combinator provides seed funding for startups. Seed funding is the earliest stage of venture funding. It pays your expenses while you’re getting started.

Mountain View, CA · San Francisco, CA

www.ycombinator.com ↗

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Founded: 2005
Headcount: 2,541
Open roles: 8
Last raised: —

TECH STACK

How Y Combinator builds

LEADERSHIP

Founders & key people

Trevor Blackwell

Canadian programmer

Umbrella ResearchY CombinatorOpenAIAnybotsYahoo Small BusinessYahooHarvard UniversityCarleton University

Jessica Livingston

American businesswoman and writer

Y CombinatorAH VenturesCanaccord GenuityBucknell UniversityPhillips

Paul Graham

English-American programmer, venture capitalist, and essayist

InterleafYahooCornell UniversityGatewayHarvard UniversityRhode Island School of Design

Armand Cognetta

Researcher ORCID ID = 0000-0003-0773-0674

Menten AIGeneral ProximityOn DeckY CombinatorInzen TherapeuticsScripps Research InstituteUniversity of VirginiaScripps Research Institute

Robert Morris

American computer scientist; creator of Morris Worm; associate professor at MIT

National University of SingaporeIBMY CombinatorMassachusetts Institute of Technology (MIT)Yahoo Small BusinessMerakiUCLAUniversity of New South Wales, Sydney AustraliaEl Camino CollegeMassachusetts Institute of Technology (MIT)

OPEN ROLES