Stage FocusPre-Seed, Seed
GeographyUS
TypeVC
Last Activity2025
Industry Focus
Industries
AI
Technical BenchLimited
Investor TypeGeneralist
ExposureMinimal DeepTech Investments
Bio
J4 Ventures describes itself as one team with three decades of venture experience, based in New York. Its team is led by Bruce Jaffe, Jamie Rapperport, and John Mitchell, alongside Brian Jacobs and Erik Johnson. The firm seeks early-stage opportunities with exceptional entrepreneurs addressing large markets that are technology-based or technology-enabled, working across a broad range of industries...
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