Kevin Gillis is a Partner and Chief Operating Officer at Third Rock Ventures. See sector focus and contact routes.
Kevin Gillis is a Partner and Chief Operating Officer at Third Rock Ventures, where he leads the firm’s non-investment operations, including finance, legal, fundraising, and limited partner relations, having joined in 2008 with over 25 years of financial leadership experience. While Third Rock Ventures focuses on biotech and life sciences from seed through Series B stages, Gillis’s personal investment scope reportedly includes biotech and fintech at similar stages, with check sizes ranging from $100K to $5M. He typically invests as a follow-on rather than a lead, focusing on growth-oriented companies at the intersection of science and technology. Notable portfolio companies linked to Gillis include Relay Therapeutics and MOMA Therapeutics, two startups he co-launched with his wife Dorothee, alongside Third Rock’s broader work developing drugs for cancer, neuroscience, and metabolic diseases. Gillis has served on the boards of NinePoint Medical and Warp Drive Bio, reflecting his deep involvement in the biotech ecosystem. There is no publicly documented distinctive point of view or published writing by Gillis himself beyond his operational role and board parti
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