Michael Seibel
Individual
Partner Emeritus at Y Combinator, former CEO of YC Startup Accelerator (2016-2024). Co-founder of Justin.tv/Twitch and Socialcam. First African-American partner at YC.
San Francisco, United States · 6+ investments
Pre-Seed
Early Stage
Developer Tools
Fintech
Healthcare
- Headquarters
- San Francisco, United States
- Website
- michaelseibel.com
- Total Investments
- 6
- Last Investment
- Sep 2025
- Geographic Focus
- United States
Investment Thesis
Early-stage angel investing in pre-seed and seed startups across consumer, SaaS, fintech, and developer tools, leveraging YC network and founder experience with Twitch and Socialcam.
Michael Seibel is an Individual based in San Francisco, United States. It has made 6 investments in Developer Tools and Fintech.
Investment History
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