Founded in 2005, Y Combinator (YC) is a startup accelerator based in San Francisco. It operates a three-month program that provides early-stage companies with seed funding, mentorship, and support, culminating in a Demo Day presentation to investors. YC invests $500,000 in each startup through its core program.
The organization has funded over 5,400 companies, which have a combined valuation exceeding $1.3 trillion. Its alumni founder community comprises more than 6,000 members. Beyond its accelerator, YC runs several associated platforms, including the influential tech news aggregator Hacker News, the free online education resource Startup School, and the hiring platform Work at a Startup.
YC's ecosystem also includes an internal community platform called Bookface, a public launch platform called Launch YC, and services to assist founders in finding co-founders.
