Ellie McGuire

Ellie McGuire

Managing Partner atPolaris PartnersBoston

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.

What Ellie can write

Writes checks of$500K to $10M
Comes in atSeed, Series AMostly follows a lead
Best routeA short note on LinkedInA warm intro from a founder they backed works better.

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

  1. XTuit Pharmaceuticals · leadership and consulting positions
  2. Lyndra · head of business development
  3. XTuit Pharmaceuticals
  4. SQZ Biotechnologies
  5. Arsia Therapeutics
  6. Polaris Innovation Fund
  7. Volastra Therapeutics · founding president
  8. Polaris Partners · Managing Partner
    Now

Companies founded

Polaris Innovation FundVolastra Therapeutics

Investments named in public bios

Muna TherapeuticsMontis BiosciencesDelphia TherapeuticsSatellite BiosciencesFIRE1FOLX HealthNoema PharmaVolastra Therapeutics

Focus

life sciencesbiotechinnovation fundlife science

Also at Polaris Partners

Partners like Ellie

At firms with a similar stage, sector and check size.

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

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Questions

Who is Ellie McGuire?

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.

How much does Ellie McGuire invest?

Ellie McGuire invests through Polaris Partners, which writes checks of $500K to $10M at seed, series a.

How do I pitch Ellie McGuire?

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 Ellie McGuire do before Polaris Partners?

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.