Aaron Epstein
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
- SaaS & EnterpriseDeveloper Tools & Data
- Location
- San Francisco, California
- Typical check
- $250K
- Past investments
- 9
Notable investments
RankSciencePalette
ReziwOS
LivelyExplorexSakneen
MarooHow 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.
Reach active investors like this one
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Aaron Epstein." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/aaron-epstein
Frequently Asked Questions
What does Aaron Epstein invest in?
Aaron Epstein invests in SaaS & Enterprise and Developer Tools & Data, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Aaron Epstein invest at?
Aaron Epstein typically invests at Early Stage Venture, Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Aaron Epstein's typical check size?
Aaron Epstein typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.