Michael Seibel - Angel Investor Profile

Location: San Francisco, CA

Partner at Y Combinator. Co-founder of Twitch and Justin.tv. Consumer video expert.

Investment Focus & Industries

  • consumer
  • saas
  • marketplace
  • media
Michael Seibel

Michael Seibel

Verified: Jun 2026 (SMTP Validated)👑 Lead Investor
San Francisco, CA
𝕏 Twitter/Xin LinkedIn
Check Size Range

Flexible Check Size

Preferred Stages
pre-seedseed

Background & Investment Thesis

Partner at Y Combinator. Co-founder of Twitch and Justin.tv. Consumer video expert.

Focus Industries

consumersaasmarketplacemedia

Notable Portfolio & Backed Deals

TwitchJustin.tvSocialcam
AI Outreach Insight94% Match Score

Active investor in consumer, saas, marketplace, media. Highly responsive to concise pitches with clear traction metrics.