Josh Grehan is a Partner at Helios Climate Ventures with operating experience, having grown Finch Therapeutics and raised over $300M. He previously worked in the Canadian Ministry of Foreign Affairs and holds degrees from Princeton and Oxford.

What Josh can write

Writes checks ofNot reported
Comes in atSeed, Series ACan lead the round
Email the firm[email protected]The firm's own inbox for founders.

Career

  1. Canadian Ministry of Foreign Affairs · Special Assistant to Minister Dion
  2. Finch Therapeutics
  3. Helios Climate Ventures · Partner
    Now
  4. Bridgespan Consulting
  5. KickStart International
  6. Finch Therapeutics

Education

Princeton UniversityUniversity of Oxford, master’s

Also at Helios Climate Ventures

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Questions

Who is Josh Grehan?

Josh Grehan is a Partner at Helios Climate Ventures with operating experience, having grown Finch Therapeutics and raised over $300M. He previously worked in the Canadian Ministry of Foreign Affairs and holds degrees from Princeton and Oxford.

How much does Josh Grehan invest?

Helios Climate Ventures has not reported a check size. It invests at seed, series a.

How do I pitch Josh Grehan?

Email [email protected], the firm's inbox for founders, and name Josh in the subject. A warm intro from a founder Helios Climate Ventures backed works better.

What did Josh Grehan do before Helios Climate Ventures?

Special Assistant to Minister Dion at Canadian Ministry of Foreign Affairs; Finch Therapeutics; Bridgespan Consulting; KickStart International; Finch Therapeutics.

Last updated 2026-10-15. Is this you? Ask for a correction.