Alexandra Cantley is a managing partner at Polaris Partners, focusing on early-stage biotech and healthcare investments. She joined in 2019 and serves on multiple boards.
What Alexandra can write
Polaris Partners writes $500K to $10M checks, larger than 71% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Polaris Partners.Career
- Vertex Pharmaceuticals · research fellowship
- Inzen Therapeutics · initial research team
- Inzen Therapeutics
- Polaris Partners · Managing PartnerNow
Investments named in public bios
Focus
Education
Also at Polaris Partners
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Who is Alexandra Cantley?
Alexandra Cantley is a managing partner at Polaris Partners, focusing on early-stage biotech and healthcare investments. She joined in 2019 and serves on multiple boards.
How much does Alexandra Cantley invest?
Alexandra Cantley invests through Polaris Partners, which writes checks of $500K to $10M at seed, series a.
How do I pitch Alexandra Cantley?
A warm intro from a founder Polaris Partners backed works best. A short LinkedIn note with one line on traction is the next best route.
What did Alexandra Cantley do before Polaris Partners?
research fellowship at Vertex Pharmaceuticals; initial research team at Inzen Therapeutics; Inzen Therapeutics.
Last updated 2026-10-15. Is this you? Ask for a correction.