Josh Grehan

Experience

1. Helios Climate VenturesPartnercurrent2025 — present
2. Helios Climate VenturesPrincipal2022 — 2024
3. Helios Climate VenturesEntrepreneur in Residence2021
4. Aqua Membranes, Inc.Board Observercurrent2025 — present
5. GDIBoard Membercurrent2023 — present
6. Ambient PhotonicsBoard Member2024 — 2025
7. Maxterial, Inc.Board Member2024
8. AMPBoard Observer2022 — 2023
9. Finch Therapeutics GroupAssociate Director2020 — 2022Somerville, Massachusetts, United States
10. Finch Therapeutics GroupSenior Manager2017 — 2020Somerville, Massachusetts, United States
11. Action CanadaFellow2019 — 2020
12. Government of CanadaSpecial Assistant to the Minister of Foreign Affairs2016 — 2017Greater Ottawa Metropolitan Area
13. Government of CanadaParliamentary Internship Programme Fellow2015 — 2016Greater Ottawa Metropolitan Area
14. OpenBiomeDirector2015Greater Boston
15. The Bridgespan GroupAssociate Consultant2013 — 2015Boston, Massachusetts, United States
16. KickStart InternationalDevelopment Associate2012 — 2013

Education

1. University of OxfordMaster of Philosophy (MPhil), Economic and Social History2010 — 2012
2. Princeton UniversityAB, Public Policy2006 — 2010
3. Lester B. Pearson United World College (UWC)2004 — 2006

Skills & more

Languages English · French

From Josh's professional profile.

Same school

Also attended University of Oxford745

RHReid HoffmanCo-founder of LinkedIn; Partner at GreylockMMMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageBGBrad GerstnerFounder & CEO of Altimeter CapitalDJDominic JacquessonInvestor at Index VenturesEPErin Price-WrightInvestor at Index VenturesJHJan HammerInvestor at Index Ventures

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Also attended Princeton University474

FGFabrice GrindaCo-founder & Managing Partner at FJ LabsAAndrewAdvisor at Clear VenturesCNChristal NgAssociate at Golden Gate VenturesDCDavid CoatsManaging Director & Co-Founder at Correlation VenturesDMDan MoreheadFounder & CEO at Pantera CapitalGYGeoff YangCo-Founder at Redpoint Ventures

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Shared employers

Also worked at Aqua Membranes, Inc.2

TFTemple FennellCo-Founder and Managing Director at Clean Energy VenturesCTCara TobinInvestor at Clean Energy Venture

Also worked at Finch Therapeutics Group1

ALAlim LadhaSenior Associate at MPM Capital

Also worked at Action Canada1

JCJames ChanAssociate Director at SVX

Also worked at Government of Canada11

SZSanjay ZimmermannGeneral Partner at White Star CapitalJLJoshuah LebacqPrincipal at NAventuresTTTem TumurbatCo-Founder and Managing Partner at Nomadic Venture PartnersMLMobeen LalaniManager, Technology and Venture Development and Co-Director, UTEST at Toronto Innovation Acceleration PartnersWBWaun BroderickDirector, Strategy & Risk Committee at Innovation Cluster - Peterborough and the KawarthasJVJessica VuAdvisory Services Associate at SVX

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