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About
A scientist by training who focuses on new company formation and therapeutic discovery and development, keeping patients central to her work. She co-founded and co-led TESARO before its acquisition by GSK and has held executive leadership roles across biotech and pharma, developing medicines primarily for cancer patients. She holds a B.S. from Purdue, a Ph.D. in Immunology from UT Southwestern, and completed post-doctoral fellowships at Harvard; she joined the firm in 2023.
Invests in
BiotechHealthtechMedical Devices
Deals · 1
AtterocorBoard seat
via Third Rock Ventures · filed Dec 2017 · $59.1M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
TESARO
Sources: the firm's website · SEC Form D filings.
Colleagues at Third Rock Ventures
Frequently asked questions
- Who is Mary Lynne Hedley?
- A scientist by training who focuses on new company formation and therapeutic discovery and development, keeping patients central to her work. She co-founded and co-led TESARO before its acquisition by GSK and has held executive leadership roles across biotech and pharma, developing medicines primarily for cancer patients. She holds a B.S. from Purdue, a Ph.D. in Immunology from UT Southwestern, and completed post-doctoral fellowships at Harvard; she joined the firm in 2023.
- Where does Mary Lynne Hedley work?
- Mary Lynne Hedley is Venture Partner at Third Rock Ventures.
- What does Mary Lynne Hedley invest in?
- Mary Lynne Hedley invests in Biotech, Healthtech, Medical Devices.
- What boards does Mary Lynne Hedley sit on?
- Mary Lynne Hedley holds tracked board seats at Atterocor.
- What companies has Mary Lynne Hedley invested in?
- Investments tracked here include TESARO.
- Does Mary Lynne Hedley lead rounds?
- Yes — Mary Lynne Hedley has led 1 tracked investment.