Jan Hammer
Partner at Index Ventures
London, England
Jan Hammer, Partner at Index Ventures is an active investor based in London, England. This profile covers what Jan Hammer backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestment PartnerFounderInvestor
- Stages
- Early Stage VentureSeries ASeries BLate Stage Venture
- Invests in
- FintechArtificial IntelligenceMarketplacePayments
- Location
- London, England
- Typical check
- $2M
- Past investments
- 35
Notable investments
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productboardHow to reach Jan Hammer
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Frequently Asked Questions
What does Jan Hammer invest in?
Jan Hammer invests in Fintech, Artificial Intelligence, Marketplace and Payments, typically at Early Stage Venture, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jan Hammer invest at?
Jan Hammer typically invests at Early Stage Venture, Series A, Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jan Hammer's typical check size?
Jan Hammer typically writes checks around $2M. Use it as a signal for whether your raise fits their stage.
How do I contact Jan Hammer?
Unlock Jan Hammer's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.