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Nat Friedman

Angel Investor

Former GitHub CEO and prolific angel investor focused on AI and generative AI startups. Portfolio includes Perplexity, Character.ai, Stripe, Figma, ElevenLabs.

San Francisco, United States · 32+ investments · 26 portfolio companies

Pre-Seed
Seed
Early Stage
Artificial Intelligence
Developer Tools
AI Infrastructure
Biotech
Climate Tech
Deep Tech
Headquarters
San Francisco, United States
Website
nat.org
Portfolio Companies
26
Total Investments
32
Last Investment
May 2026
Geographic Focus
United States

Investment Thesis

Backs technically ambitious founders building AI-first products and developer tools. Co-leads large conviction bets alongside Daniel Gross. Focused on seed and pre-seed for individual angel bets; larger checks through NFDG for AI infrastructure.

Nat Friedman is an Angel Investor based in San Francisco, United States. It has made 32 investments in Artificial Intelligence and Developer Tools, including K-Scale Labs, Weights & Biases and Keen Technologies.

Portfolio26

Co-investors24

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24 co-investors across 80 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×15 · Angel Investor ×5 · Corporate VC ×2 · 51 shared rounds

Investment History

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