Jonathan Leff
Executive Partner at Sofinnova Investments
Menlo Park, California
Jonathan Leff, Executive Partner at Sofinnova Investments is an active investor based in Menlo Park, California. This profile covers what Jonathan Leff backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestment PartnerHedge FundInvestor
- Stages
- SeedSeries B
- Invests in
- Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseConsumer & RetailIoT & Connected Devices
- Location
- Menlo Park, California
- Typical check
- $1.6M
- Past investments
- 71
Notable investments
How to reach Jonathan Leff
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Frequently Asked Questions
What does Jonathan Leff invest in?
Jonathan Leff invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and SaaS & Enterprise, typically at Seed and Series B. Match your sector and stage, then reach out with a personalized pitch.
How do I contact Jonathan Leff?
Unlock Jonathan Leff's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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