Jonathan Epstein
Angel investor in Tokyo
Tokyo, Tokyo
Jonathan Epstein, Angel investor in Tokyo is an active investor based in Tokyo, Tokyo. This profile covers what Jonathan Epstein backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVC
- Stages
- Pre SeedSeedSeries ASeries B
- Invests in
- Artificial IntelligenceFintechPaymentsHealthcare & BiotechSaaS & EnterpriseCrypto & Web3Consumer & RetailConsumer Goods (CPG)
- Location
- Tokyo, Tokyo
- Typical check
- $625K
- Past investments
- 3
Notable investments
Cornerstone OnDemandHow to reach Jonathan Epstein
Angels and operators like Jonathan 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.
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About this profile
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Cite this page
Round Funded. "Jonathan Epstein." Round Funded investor database, updated September 23, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/jonathan-epstein
Frequently Asked Questions
What does Jonathan Epstein invest in?
Jonathan Epstein invests in Artificial Intelligence, Fintech, Payments and Healthcare & Biotech, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jonathan Epstein invest at?
Jonathan Epstein typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Jonathan Epstein's typical check size?
Jonathan Epstein typically writes checks around $625K. 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.