Jamie Rapperport
General Partner at J4.Ventures
Palo Alto, California
Jamie Rapperport, General Partner at J4.Ventures is an active investor based in Palo Alto, California. This profile covers what Jamie Rapperport backs, at which stage, and how founders can reach out in 2026.
Jamie Rapperport is a General Partner at J4.Ventures.
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- Palo Alto, California
- Typical check
- $500K
How to reach Jamie Rapperport
Angels and operators like Jamie Rapperport 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.
Connect with Jamie Rapperport
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.
Frequently Asked Questions
What does Jamie Rapperport invest in?
Jamie Rapperport invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jamie Rapperport invest at?
Jamie Rapperport typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jamie Rapperport's typical check size?
Jamie Rapperport typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact Jamie Rapperport?
Unlock Jamie Rapperport's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.