18 Founders Backed by Flagship Pioneering (2026)

18 founders backed by Flagship Pioneering, with company, stage, and round detail. Includes Etiome and Foghorn Therapeutics.

Flagship Pioneering founders (18)

Flagship Pioneering founders covers 18 founders on Etiome, Extuitive and Mirai Bio and 10 other companies. The most common sectors are Biotech (16) and AI Infrastructure (2). Members are based in 2 cities, led by Cambridge, MA (17) and Boston, MA (1). Companies represented include Ampersand Biomedicines, Expedition Medicines, Foghorn Therapeutics, Harbinger Health, Inari, Lila Sciences, Prologue Medicines, Quotient Therapeutics, Serif Bio­med­i­cines and Terrana Biosciences. Every founder below links to a profile with their company, backers, and the filings behind each round.

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•By Alejandro Cremades