JT

Jeffrey Tong

Partner at Third Rock Ventures

Menlo Park, California

Overview 

Jeffrey Tong is currently a Partner at Third Rock Ventures in Menlo Park, California, with a strong background in the biotech sector and a focus on investing in various stages and sectors, including Series B, Series A, and Seed companies. With a PhD from Harvard University, Tong has held executive roles such as Executive Chairman at Delinia and President & CEO at Nora Therapeutics, and has made strategic investments in companies like Marea Therapeutics and Ambys Medicines.

Work Experience 

  • Partner

    2016 - Current

    Focused on building innovative companies to serve patients with significant unmet medical needs. ARTBIO - Board member Asher Biotherapeutics - Board member Candid Therapeutics - Board member Marea Therapeutics - Board member Maze Therapeutics - Board member Rapport Therapeutics (RAPP) - Board member Septerna - Chairman of the board Past companies: Ambys Medicines Nurix (NRIX) Terremoto Biosciences

  • Executive Chairman of the Board

    2016 - 2017

    Served as Executive Chairman and Chairman through $35M Series A financing and subsequent acquisition by Celgene for $775M with $300M upfront.

  • Member of the Board of Directors

    2010 - 2016

  • President & CEO

    2010 - 2015

  • Vice President, Corporate and Product Development

    2001 - 2010

Infinity Pharmaceuticals engages in the discovery and development of medicines for the treatment of cancer and related conditions.

Raised $538,040,191.00 from Biotechnology Value Fund and Purdue Pharma.

  • Consultant

    2000 - 2001

McKinsey Growth Tech serves leading growth stage tech players, venture capital, and growth private equity

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