Y Combinator

Y Combinator Management, LLC
Company typePrivate
IndustryStartup accelerator
FoundedMarch 2005 (2005-03)
FoundersPaul Graham, Jessica Livingston, Robert Tappan Morris, Trevor Blackwell
Headquarters
San Francisco, California
,
United States
Number of locations
2 offices (2014)
Key people
Garry Tan (President & CEO)
Jared Friedman (Managing Partner)
Harj Taggar (Managing Partner)
ProductsVenture capital, investments
Websiteycombinator.com

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, relocated to San Francisco in 2019, and was entirely online during the COVID-19 pandemic. Companies started via YC include Airbnb, Coinbase, Cruise, DoorDash, Dropbox, Instacart, Reddit, Stripe, Scale AI, Deel, Helion Energy, Starcloud, and Twitch.