Ken Song, Founder of RayzeBio

About Ken Song

Ken Song is the founder of RayzeBio, a Phase III oncology company that developed radiopharmaceutical therapies for cancer treatment. He led RayzeBio from its Series A financing through its acquisition by Bristol Myers Squibb for $4.1 billion. Song is now the founder of Candid Therapeutics, a new biotech company focused on autoimmune diseases that raised $370 million in 2024.

Ken Song at a glance

• Company: RayzeBio
• Total raised: $418M
• Latest round: Series D
• Investors: venBio Partners, Venrock Healthcare Capital Partners, Versant Ventures, Viking Global Investors, Samsara BioCapital
• Location: San Diego, CA

More founders in San Diego, CA (44)

• Qing Dong — RayThera
• Ryan Nivakoff — NJOY
• Jack Shields — Shields Health Solutions
• Nancy Whiting — Recludix Pharma
• Greg Jackson — Octopus Energy
• Vikram Chopra — CARS24
• Bo Zhang — Didi
• Dan Bodner — Verint Systems
• Jeffrey Jump — MedAlliance
• Robert Greenberg — Skechers U.S.A.
• Cole Gahagan — Learfield
• Jason Wubs — Westland Insurance Group
• Sam Darwish — IHS Towers
• Mazin Lamki — Energy Development Oman
• Cullen Knights — TEAM Services Group
• Stuart Tanz — ROIC
• David Merin — The Ether Machine
• Jingrong Jean — BlossomHill Therapeutics
• Praveen Tipirneni — Morphic Therapeutic
• Randy Brouckman — AdaniConneX
• Bob Zhang — Epigenic Therapeutics
• Andrew Oxtoby — Aimmune Therapeutics
• Latika Kundu — Metropolitan Stock Exchange of India
• David Eveleth — Trefoil Therapeutics
• Xu Xiuxian — Huitongda
• David Hallal — ElevateBio
• Arkady Volozh — Yandex
• Michael Mackey — Everest Infrastructure Partners
• Pablo Pinto — VistaEnergy
• Alejandro Flores — StarPlus Energy
• Theodore Pagano — Michigan Potash & Salt Company
• Mustafa Kocar — Kalyon Energy
• Andre Soelistyo — GoTo Group
• Chema Cosculluela — Vitalia Home
• Miguel Rios — Endeavor BioMedicines
• Ian Dundas — Enerplus
• John Breckenridge — Arevon
• Enrique Carrazana — Neurelis
• Jim Anderson — Coherent - Silicon Carbide Business
• Ara Mahdessian — ServiceTitan
• Ciara Kennedy — Aristea Therapeutics
• Marcello Boldrini — Kraton Performance Polymers
• Merck Mercuriadis — Hipgnosis Songs Fund
• Spencer Hutchins — Concert Health

Browse related founder lists (6)

• Founders in San Diego, CA
• Founders backed by venBio Partners
• Founders backed by Venrock Healthcare Capital Partners
• Founders backed by Versant Ventures
• Founders backed by Viking Global Investors
• Founders who raised $50M+

Full founder directory · Investor directory · Company funding database · Fundraising library