3 Founders Backed by John Fletcher (2026)

John Fletcher founders (3)

John Fletcher founders covers 3 founders on Cayenne Medical, Cheetah Medical and PhaseBio Pharmaceuticals. The most common sectors are Biotech (2) and Healthtech (1). Members are based in 3 cities, led by Malvern, PA (1), Newton Center, MA (1) and Scottsdale, AZ (1). Every founder below links to a profile with their company, backers, and the filings behind each round.

• Founders listed: 3
• Companies represented: 3
• Top sector: Biotech (2 founders)
• Top location: Malvern, PA (1 founders)
• Sectors represented: 2
• Locations represented: 3

• David B. Karp — Cayenne Medical
• Eugene A. PhaseBio — PhaseBio Pharmaceuticals
• Michael J. Chen — Cheetah Medical

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