Fundraising Fox

Michael Seibel

Partner Emeritus at Y Combinator

San Francisco, CA

About

Michael Seibel spent more than 12 years at Y Combinator, serving as CEO of its accelerator and as a group partner who worked with over a thousand startups, before transitioning to partner emeritus in 2025 with an eye toward public-sector work. He co-founded Justin.tv, which became Twitch, and Socialcam, and became one of the most recognizable startup advisors of his generation through YC's videos and office hours.

Podcasts & interviews

featuring Michael Seibel

Y Combinator ex CEO Michael Seibel – What Makes the Top 10% f Founders Different? - YouTube

Finance & Tech Career Advice

Y Combinator Head Michael Seibel: The ONE Mistake Killing Startups #yc #twitch - YouTube

Summation with Auren Hoffman

How To Perfectly Pitch Your Seed Stage Startup With Y Combinator's Michael Seibel - YouTube

SaaStr AI

Experience Interviewing With Michael Seibel of Y Combinator - YouTube

Tyler Bryden

Colleagues at Y Combinator

Photo: TechCrunch, CC BY 2.0, via Wikimedia Commons β†—