Bruce Jaffe
General Partner at J4.Ventures
New York, New York
Bruce Jaffe, General Partner at J4.Ventures is an active investor based in New York, New York. This profile covers what Bruce Jaffe backs, at which stage, and how founders can reach out in 2026.
Bruce Jaffe is a General Partner at J4.Ventures and has managed Mergers & Acquisitions at Microsoft.
- Investor type
- VC
- Stages
- SeedSeries A
- Invests in
- SaaS & EnterpriseHardware & Deep Tech
- Location
- New York, New York
- Typical check
- $625K
How to reach Bruce Jaffe
Angels and operators like Bruce Jaffe 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 Bruce Jaffe
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 Bruce Jaffe invest in?
Bruce Jaffe invests in SaaS & Enterprise and Hardware & Deep Tech, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Bruce Jaffe invest at?
Bruce Jaffe typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Bruce Jaffe's typical check size?
Bruce Jaffe typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do I contact Bruce Jaffe?
Unlock Bruce Jaffe'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.