JT

Jim Tananbaum

VC

Founder & CEO, Foresite Capital

Data-driven healthcare investor and serial founder

San Francisco, CA2 notable investments
Series ASeries B+
HealthcareBioAIData

Background

Jim Tananbaum founded Foresite Capital in 2011, a healthcare-focused investment firm with approximately $3.5 billion in assets under management. He holds a BS and BSEE from Yale, an MD from Harvard (Harvard/MIT HST Program), and an MBA from Harvard. Earlier in his career he co-founded GelTex Pharmaceuticals, acquired by Sanofi-Genzyme for $1.4 billion, and co-founded Theravance Inc. He has been named to the Forbes Midas List five times and backed 10x Genomics, Jazz Pharmaceuticals, and Amerigroup.

Investment Thesis

Investments at the intersection of mathematics, algorithms, and biology to transform therapeutics, devices, diagnostics, and services.

Investment Focus

Stages

Series ASeries B+

Sectors

HealthcareBioAIData

Based in: San Francisco, CA (North America)

Notable Investments

Last updated: Jun 11, 2026