Y Combinator
| Company type | Private |
|---|---|
| Industry | Startup accelerator |
| Founded | March 2005 |
| Founders | Paul Graham, Jessica Livingston, Robert Tappan Morris, Trevor Blackwell |
| Headquarters | San Francisco, California , United States |
Number of locations | 2 offices (2014) |
Key people | Garry Tan (CEO) Michael Seibel Jared Friedman |
| Products | Venture capital, investments |
| Website | ycombinator |
Y Combinator, LLC (YC) is an American technology startup accelerator and venture capital firm launched in March 2005 which has been used to launch more than 5,000 companies. The accelerator program started in Boston and Mountain View, expanded to San Francisco in 2019, and was entirely online during the COVID-19 pandemic. Companies started via Y Combinator include Airbnb, Coinbase, Cruise, DoorDash, Dropbox, Instacart, Reddit, Stripe, Scale AI, Deel, Helion Energy, and Twitch.