4 Founders backed by David Grayzel building Biotech (2026)

Founders backed by David Grayzel and building Biotech (4)

Founders backed by David Grayzel and building Biotech covers 4 founders on GRO Biosciences, Pheon Therapeutics and Sionna Therapeutics and 1 other companies. The most common sector is Biotech (4). Members are based in 4 cities, led by Cambridge, MA (1), London, UK (1) and Waltham, MA (1). Companies represented include Triveni Bio. Every founder below links to a profile with their company, backers, and the filings behind each round.

• Founders listed: 4
• Companies represented: 4
• Top sector: Biotech (4 founders)
• Top location: Cambridge, MA (1 founders)
• Locations represented: 4

• Cyrus Mozayeni — Pheon Therapeutics
• Dan Mandell — GRO Biosciences
• Michael Cloonan — Sionna Therapeutics
• Vishal Patel — Triveni Bio

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Other founder hubs

• Peter Thiel (29 founders)
• Eric Young (24 founders)
• Akio Tanaka (23 founders)
• Brian Ascher (22 founders)
• Abhinav Gupta (19 founders)
• James Robinson (18 founders)
• Stephen Knight (17 founders)
• Alan Patricof (17 founders)
• Max Motschwiller (16 founders)
• Huoy-Ming Yeh (16 founders)
• Tim Draper (36 founders)
• Fabrice Grinda (29 founders)
• Makhtar Diop (24 founders)
• Larry Li (22 founders)
• David Solomon (21 founders)
• Rick Burnes (19 founders)
• David Beatty (18 founders)
• Jacques Benkoski (17 founders)
• Kevin Harvey (17 founders)
• David Hirsch (16 founders)
• John Borthwick (16 founders)
• Aydin Senkut (36 founders)
• Christine Tsai (28 founders)
• Linda Rottenberg (24 founders)

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Narrow Biotech founders

• Huoy-Ming Yeh · Biotech (3 founders)
• Sands Capital Ventures · Biotech (3 founders)
• San Carlos, CA · Biotech (11 founders)
• Basel, Switzerland · Biotech (6 founders)
• Business Growth Fund · Biotech (4 founders)
• Joseph C. Cook, Jr. · Biotech (3 founders)
• Lisa Strovink · Biotech (3 founders)
• Samsara BioCapital · Biotech (12 founders)
• Berlin, Germany · Biotech (6 founders)
• Modi Ventures · Biotech (4 founders)
• Aaron Fletcher · Biotech (3 founders)
• William Hu · Biotech (3 founders)
• Otello Stampacchia · Biotech (12 founders)
• Wellington Management · Biotech (6 founders)
• Maxim Group · Biotech (4 founders)
• Aneal Tenjarla · Biotech (3 founders)
• Deepak Verma · Biotech (3 founders)
• Simeon George · Biotech (13 founders)
• Future Ventures · Biotech (6 founders)
• Darwin Ling · Biotech (4 founders)
• Michael Dean · Biotech (3 founders)
• Cardiff, Wales, United Kingdom · Biotech (3 founders)
• Omega Funds · Biotech (13 founders)
• Pete Hudson · Biotech (6 founders)
• Eugene Hill · Biotech (4 founders)
• S2G Investments · Biotech (3 founders)
• Sutter Hill Ventures · Biotech (3 founders)
• Redwood City, CA · Biotech (13 founders)
• Canaan Partners · Biotech (6 founders)
• Laura Deming · Biotech (4 founders)

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