Temple Fennell
InvestorCo-Founder and Managing Partner at Clean Energy Ventures Β· Member at Clean Energy Venture Β· Board director at MacroCycle
Cambridge, Massachusetts
Writes $100K β $5M checks Β· typically $1.5M
Find your path to Temple
238 people in our graph share verified history with Temple β schools, employers, funds. One of them is your warm intro.
About
Temple Fennell combines managing-partner experience at a clean-energy venture firm with leading his family office's private investments, and is a trade-quoted expert in advanced recycling and industrial decarbonization.
ContactΒ· self-published, not guessed
Invests in
AgTechCleantechClimate TechDeep TechEnergyHardwareImpact & Social GoodMobility & TransportationNew Materials
Board director at MacroCycle
Intro paths
In turn, Temple can intro founders to MacroCycle's investors below.
MacroCycle's investors Β· 7
Co-founders at MacroCycle

Experience
- MacroCycle TechnologiesMember Board of Directorscurrent2025 β presentBoston, Massachusetts, United States
- Aqua Membranes, Inc.Chair of the Board of Directorscurrent2020 β presentAlbuquerque, New Mexico, United States
- Rebound Technologies Inc.Chair of the Board of Directorscurrent2019 β presentCommerce City, Colorado, United States
- SunDensity Inc.Chair of the Board of Directorscurrent2020 β presentRochester, New York, United States
- Clean Energy VenturesCo-Founder and Managing Partner at Clean Energy Venturescurrent2017 β presentBoston, Massachusetts, United States
- Clean Energy VenturesCo-Founder and Managing Directorcurrent2017 β presentGreater Boston Area
- Clean Energy Venture GroupMembercurrent2016 β presentCambridge, MA
- Harvard Kennedy SchoolCo-Director, Impact Investing Strategy for the Next Generationcurrent2014 β present
- Center for Sustainable Finance and Private WealthSenior Fellowcurrent2017 β presentUniversity of Zurich
- Keller Enterprises, LLCFamily Membercurrent2003 β present
- Keller Enterprises, LLCFamily Business2012 β 2017Charlottesville, VA 22902
- Flagship VenturesPrivate Markets Consultant2015 β 2016Cambridge, Massachusetts
- ATO Pictures (Art Takes Over), LLCCo-Founder and CEO2002 β 2013
- 12th Floor Film FundManaging General Partner2006 β 2010
- BoxerJam Media, LLCCo-Founder and President1993 β 2002
- Boxer Learning, IncCo-Founder1995 β 1999
Skills & more
+12 more
SustainabilityEarly-stage StartupsSustainable AgricultureMedical DevicesWaste to EnergyProject FinanceCapital FormationFinancial StructuringStrategyStrategic PlanningManagementVenture CapitalFrom Temple's professional profile.
Investments
Board seats
Aqua MembranesLeading Edge Equipment TechnologiesRebound TechnologiesSunDensity
Per the firm's website.
Colleagues at Clean Energy Ventures
Network5
Investors connected to Temple in public investor directories β a warm-intro map.
Frequently asked questions
- Who is Temple Fennell?
- Temple Fennell combines managing-partner experience at a clean-energy venture firm with leading his family office's private investments, and is a trade-quoted expert in advanced recycling and industrial decarbonization.
- Where does Temple Fennell work?
- Temple Fennell is Co-Founder and Managing Partner at Clean Energy Ventures and Board director at MacroCycle.
- What does Temple Fennell invest in?
- Temple Fennell invests in AgTech, Cleantech, Climate Tech, Deep Tech, Energy, Hardware, Impact & Social Good, Mobility & Transportation, New Materials.
- What check size does Temple Fennell write?
- Temple Fennell typically writes checks of $100K β $5M.
- What boards does Temple Fennell sit on?
- Temple Fennell holds tracked board seats at Aqua Membranes, Leading Edge Equipment Technologies, Rebound Technologies, SunDensity.
- Where did Temple Fennell go to school?
- Temple Fennell studied at University of Virginia (BS, Systems Engineering); MIT Sloan School of Management (MBA, MIT Sloan Fellow); The American Film Institute (Directing Fellow).
Same school
Also attended University of Virginia805
+ 799 more
Also attended MIT Sloan School of Management937
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