4 Founders backed by Masayoshi Son building Biotech (2026)

Founders backed by Masayoshi Son and building Biotech (4)

Founders backed by Masayoshi Son and building Biotech covers 4 founders on ArsenalBio, Karius and Neuron23 and 1 other companies. The most common sector is Biotech (4). Members are based in 3 cities, led by South San Francisco, CA (2), Redwood City, CA (1) and Seattle, WA (1). Companies represented include Umoja Biopharma. 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: South San Francisco, CA (2 founders)
• Locations represented: 3

• Alec Ford — Karius
• Andrew Scharenberg — Umoja Biopharma
• Ken Drazan — ArsenalBio
• Nancy Stagliano — Neuron23

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Other founder hubs

• Noubar Afeyan (17 founders)
• Joe Montana (21 founders)
• Brad Jones (24 founders)
• Paul Wythes (16 founders)
• Irem Rami (17 founders)
• Patrick Gallagher (20 founders)
• Samir Kaul (24 founders)
• Tae Hea Nahm (134 founders)
• Donald Dixon (17 founders)
• Nadia Cochinwala (19 founders)
• Trevor Kienzle (23 founders)
• David Cohen (39 founders)
• Bill Coughran (17 founders)
• John Cadeddu (19 founders)
• Akio Tanaka (23 founders)
• Arthur Patterson (32 founders)
• William Lohse (17 founders)
• James Robinson (18 founders)
• Brian Matthews (22 founders)
• Sean O'Sullivan (31 founders)
• Max Motschwiller (16 founders)
• Adil Nurgozhin (18 founders)
• Saeed Amidi (22 founders)
• Fabrice Grinda (29 founders)

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Narrow Biotech founders

• SR One · Biotech (13 founders)
• Big Idea Ventures · Biotech (7 founders)
• 5AM Ventures · Biotech (5 founders)
• Alex Iskold · Biotech (4 founders)
• Nadia Cochinwala · Biotech (3 founders)
• Guillaume Baxter · Biotech (3 founders)
• Blue Bell, PA · Biotech (2 founders)
• Logos Capital · Biotech (12 founders)
• Steve Baloff · Biotech (6 founders)
• DCVC · Biotech (5 founders)
• Steven Lazarus · Biotech (4 founders)
• Michael Dean · Biotech (3 founders)
• Creative Ventures · Biotech (3 founders)
• Indianapolis, IN · Biotech (2 founders)
• Menlo Park, CA · Biotech (10 founders)
• Lawrence Chu · Biotech (6 founders)
• Shan Fu · Biotech (5 founders)
• Aliment Capital · Biotech (4 founders)
• Joseph C. Cook, Jr. · Biotech (3 founders)
• Blue Horizon Corporation · Biotech (3 founders)
• Yerevan, Armenia · Biotech (2 founders)
• Venrock Healthcare Capital Partners · Biotech (10 founders)
• New Haven, CT · Biotech (6 founders)
• Gorjan Hrustanovic · Biotech (4 founders)
• Avalon Ventures · Biotech (4 founders)
• Rowan Chapman · Biotech (3 founders)
• Bob Dieterle · Biotech (3 founders)
• Lausanne, Switzerland · Biotech (2 founders)
• San Mateo, CA · Biotech (9 founders)
• Chicago, IL · Biotech (6 founders)

Other founder hubs

• AI Developer Tools (2 founders)
• Climate (986 founders)
• Auto Tech (2 founders)
• AI Infrastructure (1,358 founders)
• Asset Management (2 founders)
• Travel Tech (1 founder)
• Semiconductor Manufacturing (2 founders)
• Leisure (1 founder)
• Blockchain Technology (2 founders)
• Space Technology (1 founder)
• Retail Apparel and Fashion (2 founders)
• GovTech (1 founder)
• Aerospace and Defense (3 founders)
• Conglomerates (1 founder)
• Blockchain Services (3 founders)
• Electronics and Computers (1 founder)
• IoT Infrastructure (3 founders)
• Investment Banking & Investment Services (1 founder)
• Private Equity (4 founders)
• Energy Storage (1 founder)
• SpaceTech (4 founders)
• Deep Tech (1 founder)
• Biotechnology (6 founders)
• Utilities (1 founder)

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