Jeff Rosen
Founder, Managing Partner
San Francisco, California
Jeff Rosen, Founder, Managing Partner is an active investor based in San Francisco, California. This profile covers what Jeff Rosen backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCOperatorInvestor
- Stages
- Pre SeedSeed
- Invests in
- Fintech
- Location
- San Francisco, California
- Typical check
- $150K
How to reach Jeff Rosen
Angels and operators like Jeff Rosen 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 Rosen
Frequently Asked Questions
What does Jeff Rosen invest in?
Jeff Rosen invests in Fintech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jeff Rosen invest at?
Jeff Rosen typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Jeff Rosen's typical check size?
Jeff Rosen typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Jeff Rosen?
Unlock Jeff Rosen's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.