31 Founders Backed by Sean O'Sullivan (2026)

31 founders backed by Sean O'Sullivan, with company, stage, and round detail. Includes Ria Health and Cephia AI.

Sean O'Sullivan founders (31)

Sean O'Sullivan founders covers 31 founders on Algoma, Navlive and Afynia Laboratories and 26 other companies. The most common sectors are Biotech (9), AI Infrastructure (6) and Climate (6). Members are based in 21 cities, led by San Francisco, CA (5), Newark, NJ (3) and New York, NY (2). The remaining members span Robotics (3), Healthtech (2), Logistics (2) and Financial Services (1). Companies represented include Aspect Aerospace, Asterix Foods, Avalo, Cephia AI, Cocoon, Danu Robotics, EVERBLOOM, Fermeate, Fig Investments, FloVision Solutions, Gynius and Hoofprint Biome, plus 14 more. Every founder below links to a profile with their company, backers, and the filings behind each round.

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