Current Firm
Atlas Venture
Investments
10+ companies
Focus
Biotech, Digital Health
About David Grayzel
David Grayzel is a physician-turned-venture capitalist at Atlas Venture who repeatedly co-founds and takes on CEO or chair roles at the biotech companies he backs, rather than staying purely on the investing side like most VCs. He specializes in immune system therapeutics and has co-founded multiple companies in areas like autoimmunity and oncology, including Surface Oncology, Q32 Bio, and Comanche Biopharma.
Focus Areas
BiotechDigital Health
Investment Stage
Pre-Seed
Seed
Series A
Series B+
Notable Investments
Julian Capital
Harpoon Ventures
Humba Ventures
Fifty Years
Deep Checks
Founders Fund
Lightspeed
Sequoia Capital
Kleiner Perkins
Funds that lead pre-seeds