John Geisler
Partner Emeritus at Gryphon Investors
San Francisco, California
John Geisler, Partner Emeritus at Gryphon Investors is an active investor based in San Francisco, California. This profile covers what John Geisler backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestment Partner
- Stages
- SeedSeries ASeries BLate Stage Venture
- Invests in
- Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseConsumer & RetailConsumer Goods (CPG)Fashion & BeautyCybersecurity
- Location
- San Francisco, California
- Typical check
- $2M
- Past investments
- 11
Notable investments
How to reach John Geisler
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Frequently Asked Questions
What does John Geisler invest in?
John Geisler invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and SaaS & Enterprise, typically at Seed, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
How do I contact John Geisler?
Unlock John Geisler's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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