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Jim Tananbaum

Investor

Founder & CEO at Foresite Capital · Board director at Latigo Bio

San Francisco, California

Writes $100K – $5M checks · typically $1.5M

Midas 2021 · #75Midas 2018 · #44Midas 2017 · #52Midas 2016 · #54Midas 2015 · #80

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You →Avery · together at Prospect Venture Partners (2007–2008) →Jim

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About

Jim Tananbaum is founder and CEO of Foresite Capital Management, a healthcare-focused investment firm based in the San Francisco Bay Area with approximately $4 billion in assets under management as of December 2021. The firm invests in healthcare companies across multiple stages and employs clinical scientists, engineers, analysts, and partners to support portfolio companies.

Board director at Latigo Bio

Intro paths

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In turn, Jim can intro founders to Latigo Bio's investors below.

Latigo Bio's investors · 7

5AM VenturesSan Francisco · $100K – $4M checks · since 2025Access BiotechnologyNew York · since 2025Ascenta CapitalWilmington · $15M – $30M checks · since 2025Foresite CapitalWest Hollywood · since 2025Kern Capital, LLCLarkspur · $5M – $15M checks · since 2025Sanofi VenturesCambridge · $5M checks · since 2025Westlake Village BioPartnersLos Angeles · $100K – $5M checks · since 2025

Experience

  1. Foresite Capital ManagementFounder and CEOcurrent2010 — presentSan Francisco Bay Area, New York City, Philadelphia Area
  2. Prospect Venture PartnersCo-Founder and Managing Director PVP2 & PVP32001 — 2010
  3. Theravance (THRX)Co-Founder and Chief Executive Officer1997 — 2000
  4. Sierra VenturesPartner1994 — 1997Menlo Park
  5. GelTex (acquired Genzyme $1.6 B)Co-Founder. Board Member.1991 — 1997Waltham
  6. MerckProduct Manager, Prilosec1991 — 1993West Point< PA

Skills & more

Entrepreneurship11Start-ups25Venture Capital47Private Equity7Angel Investing9Deal Sourcing2Corporate Development16IPO7Mergers1Biotechnology34Due Diligence16

From Jim's professional profile.

Investments

Investor

Aimmune TherapeuticsAlumisAmira PharmaceuticalsCurisiumDnanexusElement BiosciencesEvonetixForesight DiagnosticsFulcrum TherapeuticsGenomicsImmPACT BioInsitroIntarcia TherapeuticsJuvenescenceKaryopharm TherapeuticsKeros TherapeuticsLifeMine TherapeuticsPeloton TherapeuticsSequentaTarsa TherapeuticsTesseract HealthWaveTec VisionXinthera

Per curated public sources.

Colleagues at Foresite Capital

Alex M. Azar II
Advisor at Foresite Capital
Amelia Stoj
CCO and Assistant General Counsel at Foresite Capital
Collin Yang-Wong
Principal at Foresite Capital
Cynthia Carpenter
Executive Associate at Foresite Capital
Darren Haggerty
Operations Investment Analyst at Foresite Capital
Deepak Atri
Principal at Foresite Capital
Deepak Atri, MD
Principal at Foresite Capital
Dorothy Margolskee
Managing Director at Foresite Capital

Network1

Armen A. Vidian
Managing Partner at Recode Ventures

Investors connected to Jim in public investor directories — a warm-intro map.

Frequently asked questions

Who is Jim Tananbaum?
Jim Tananbaum is founder and CEO of Foresite Capital Management, a healthcare-focused investment firm based in the San Francisco Bay Area with approximately $4 billion in assets under management as of December 2021. The firm invests in healthcare companies across multiple stages and employs clinical scientists, engineers, analysts, and partners to support portfolio companies.
Where does Jim Tananbaum work?
Jim Tananbaum is Founder & CEO at Foresite Capital and Board director at Latigo Bio.
What check size does Jim Tananbaum write?
Jim Tananbaum typically writes checks of $100K – $5M.
What companies has Jim Tananbaum invested in?
Investments tracked here include Aimmune Therapeutics, Alumis, Amira Pharmaceuticals, Curisium, Dnanexus, Element Biosciences, Evonetix, Foresight Diagnostics, Fulcrum Therapeutics, Genomics, ImmPACT Bio, Insitro, and 11 more.
Where did Jim Tananbaum go to school?
Jim Tananbaum studied at Harvard Business School (mba); Harvard Medical School (Doctor of Medicine (MD)); Massachusetts Institute of Technology (Doctoral Affiliation, Health).

Same school

Shared employers