Ellie McGuire is a managing partner at Polaris Partners in Boston, overseeing the Polaris Innovation Fund. She serves on multiple boards and previously held business development roles at life science companies.
At firms with a similar stage, sector and check size.





One email when Ellie's firm raises a fund, adds a partner or shows new activity.

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 deckEllie McGuire is a managing partner at Polaris Partners in Boston, overseeing the Polaris Innovation Fund. She serves on multiple boards and previously held business development roles at life science companies.
Ellie McGuire invests through Polaris Partners, which writes checks of $500K to $10M at seed, series a.
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.
leadership and consulting positions at XTuit Pharmaceuticals; head of business development at Lyndra; XTuit Pharmaceuticals; SQZ Biotechnologies; Arsia Therapeutics; Polaris Innovation Fund; founding president at Volastra Therapeutics.
Last updated 2026-10-15. Is this you? Ask for a correction.