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About
Josh Grehan led a microbiome company through FDA approval and an IPO, now focuses on the battery/energy‑storage stack (critical minerals to recycling), spending ~25% supporting founders as a long‑term partner.
Contact· self-published, not guessed
Invests in
Climate TechDeep TechEnergyHardwareMobility & TransportationNew Materials
Colleagues at Helios Climate Ventures
Daniel Doimo
Partner at Helios Climate Ventures
Inbal Shenfeld Kolodziejska
Investor at Helios Climate Ventures
Jamie Weigt
Chief Administrator at Helios Climate Ventures
Jesse Johnson
Managing Director at Helios Climate Ventures
Sam Kogan
Managing Director at Helios Climate Ventures
Terry Kellogg
Managing Director at Helios Climate Ventures
Frequently asked questions
- Who is Josh Grehan?
- Josh Grehan led a microbiome company through FDA approval and an IPO, now focuses on the battery/energy‑storage stack (critical minerals to recycling), spending ~25% supporting founders as a long‑term partner.
- Where does Josh Grehan work?
- Josh Grehan is Partner at Helios Climate Ventures.
- What does Josh Grehan invest in?
- Josh Grehan invests in Climate Tech, Deep Tech, Energy, Hardware, Mobility & Transportation, New Materials.
About this profile. Compiled from public sources — Helios Climate Ventures's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights





