John Cumbers

Active Investor

Founder and CEO at SynBioBeta

San Francisco, California

John Cumbers, Founder and CEO at SynBioBeta is an active investor based in San Francisco, California. This profile covers what John Cumbers backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelInvestor
Stages: Pre SeedSeed
Invests in: Healthcare & BiotechBiotech & PharmaSaaS & EnterpriseIoT & Connected DevicesEdTechFoodTech & AgricultureAgTech & AgricultureGaming & Entertainment
Location: San Francisco, California
Typical check: $150K
Past investments: 2

Notable investments

Modern MeadowEvolutionary Solutions

How to reach John Cumbers

Angels and operators like John Cumbers 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 John Cumbers invest in?

John Cumbers invests in Healthcare & Biotech, Biotech & Pharma, SaaS & Enterprise and IoT & Connected Devices, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.