Tom Preston-Werner - Angel Investor Profile

Location: San Francisco, CA

Co-founder of GitHub. Angel investor in developer tools and open-source startups.

Investment Focus & Industries

  • developer-tools
  • open-source
  • saas
  • ai
Tom Preston-Werner

Tom Preston-Werner

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

Flexible Check Size

Preferred Stages
pre-seedseed

Background & Investment Thesis

Co-founder of GitHub. Angel investor in developer tools and open-source startups.

Focus Industries

developer-toolsopen-sourcesaasai

Notable Portfolio & Backed Deals

GitHubChatterbug
AI Outreach Insight94% Match Score

Active investor in developer-tools, open-source, saas, ai. Highly responsive to concise pitches with clear traction metrics.