Mary Lynne Hedley, Ph.D. is a venture partner at Third Rock Ventures, which invests at seed, series a in life sciences.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckMary Lynne Hedley, Ph.D. is a venture partner at Third Rock Ventures, which invests at seed, series a in life sciences.
Third Rock Ventures has not reported a check size. It invests at seed, series a.
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Last updated 2026-10-15. Is this you? Ask for a correction.