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.
Pre-Seed
Early Stage
Developer Tools
Fintech
Healthcare
- Headquarters
- San Francisco, United States
- Website
- michaelseibel.com
- Total Investments
- 3
- 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.
Investment History
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