Jeff Stein
Angel investor in Boston
Boston, Massachusetts
Jeff Stein, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Jeff Stein backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- SaaS & EnterpriseConsumer & RetailClimate & EnergyDeveloper Tools & DataMobility & LogisticsSupply Chain & LogisticsMedia & ContentMarketing & AdTech
- Location
- Boston, Massachusetts
- Typical check
- $150K
- Past investments
- 1
Notable investments
How to reach Jeff Stein
Angels and operators like Jeff Stein 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 Accelerator.
Connect with Jeff Stein
Frequently Asked Questions
What does Jeff Stein invest in?
Jeff Stein invests in SaaS & Enterprise, Consumer & Retail, Climate & Energy and Developer Tools & Data, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jeff Stein invest at?
Jeff Stein typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Jeff Stein's typical check size?
Jeff Stein typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Jeff Stein?
Unlock Jeff Stein's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.