Aaron Epstein

Active Investor

General Partner at Y Combinator

San Francisco, California

Aaron Epstein, General Partner at Y Combinator is an active investor based in San Francisco, California. This profile covers what Aaron Epstein backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPEFounderAcceleratorInvestor
Stages: Early Stage VenturePre SeedSeed
Invests in: Artificial IntelligenceFintechHealthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseConsumer & RetailClimate & Energy
Location: San Francisco, California
Typical check: $250K
Past investments: 9

Notable investments

AutodeskRankSciencePaletteReziwOSLivelyExplorexSakneenMaroo

How to reach Aaron Epstein

Angels and operators like Aaron Epstein reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Frequently Asked Questions

What does Aaron Epstein invest in?

Aaron Epstein invests in Artificial Intelligence, Fintech, Healthcare & Biotech and Digital Health & HealthTech, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.