Third Rock Ventures
Overview
Third Rock Ventures is a venture capital firm focused on life sciences investing and launching companies that make a difference in people's lives . Collaborating with entrepreneurs, the Third Rock team applies its deep expertise to establish the roadmap and building blocks for a rapidly-growing and highly-successful life sciences company . The firm invests in companies operating in the healthcare, medicine, life sciences, drugs, devices and diagnostics, therapeutics, and information technology sectors .
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Terremoto | Apr 2026 | Series C | Co-investor |
| Syremis Therapeutics | Dec 2025 | Series A | Lead |
| Azalea Therapeutics, Inc. | Nov 2025 | Series A | Lead |
| Odyssey | Sep 2025 | Series D | Co-investor |
| ARTBIO | Jul 2025 | Series B | Co-investor |
Key People
Robert Tepper
Co-Founder and Partner
Kevin Starr
Retired Founding Partner
Mark Levin
Retired Founding Partner
Barbara Weber
Venture Partner
David Moller
Venture Partner
Jesper Gromada
Venture Partner
Lioudmila Tchistiakova
Venture Partner
Mark A. Goldsmith
Venture Partner
Philip Reilly
Venture Partner
Richard Ransohoff
Venture Partner
Steven Paul
Venture Partner
Vyas Ramanan
Venture Partner
Walter Kowtoniuk
Venture Partner
Abbie Celniker
Partner
Alan Ezekowitz
Advisory Partner
Andrea van Elsas
Partner
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.