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Biography · Business & Enterprise

Michael Seibel

1982–

United States

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Biography

Michael Seibel (born October 7, 1982) is a partner at Y Combinator and the co-founder of two startups, Justin.tv/Twitch and Socialcam. He first joined Y Combinator in 2013, advising hundreds of startups, and has been active in promoting diversity efforts among startup founders. Seibel is widely recognized as one of the most influential Black investors and startup mentors in Silicon Valley, noted for his advocacy of underrepresented founders and leadership in expanding access to the startup ecosystem.

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Wikipedia contributors — original record ↗

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Biography text · CC BY-SA 4.0 · Source checked 2026-10-13

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