Jean-David Haas

Active Investor

Managing Partner at NextStage AM

Paris, Île-de-France

Jean-David Haas, Managing Partner at NextStage AM is an active investor based in Paris, Île-de-France. This profile covers what Jean-David Haas backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPE
Stages: Pre SeedSeedSeries ASeries BLate Stage Venture
Invests in: FintechHealthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseClimate & EnergyGaming & EntertainmentMedia & ContentHR & Future of Work
Location: Paris, Île-de-France
Typical check: $1M

How to reach Jean-David Haas

Angels and operators like Jean-David Haas 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.

Frequently Asked Questions

What does Jean-David Haas invest in?

Jean-David Haas invests in Fintech, Healthcare & Biotech, Digital Health & HealthTech and SaaS & Enterprise, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.