Y Combinator

Startup Accelerator·Founded 2005·San Francisco, California

Leading startup accelerator that has launched 5,000+ companies including Airbnb and Stripe.

Founders

Person	Role	Years
Dalton Caldwell	Managing Partner (prev. Partner)	2011-2025
Gustaf Alstromer	Group Partner	2017-present
Jessica Livingston	Co-Founder & Partner	2005-present

Jessica Livingston

The social radar: Y Combinator’s secret weapon | Jessica Livingston (co-founder of Y Combinator, author, podcast host)

Dalton Caldwell

Lessons from 1,000+ YC startups: Resilience, tar pit ideas, pivoting, more | Dalton Caldwell (Y Combinator, Managing Director)

Gustaf Alstromer