Temple Fennell
InvestorCo-Founder and Managing Partner at Clean Energy Ventures
Cambridge, Massachusetts
Writes $100K β $5M checks Β· typically $1.5M
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.
Invests in
AgTechCleantechClimate TechDeep TechEnergyHardwareImpact & Social GoodMobility & TransportationNew Materials
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
Education
- University of VirginiaBS, Systems Engineering
- MIT Sloan School of ManagementMBA, MIT Sloan Fellow
- The American Film InstituteDirecting Fellow
- MIT Sloan School of ManagementMaster of Business Administration - MBA
- MIT Sloan School of ManagementMaster of Business Administration - MBA
Skills & more
Strategic Partnerships64Private Equity50Risk Management20Corporate Finance16Venture Financing8Film Distribution2Capital StructureRenewable Energy6Family Office3Energy Industry2Energy EfficiencySustainable Energy1
+12 more
SustainabilityEarly-stage StartupsSustainable AgricultureMedical DevicesWaste to EnergyProject FinanceCapital FormationFinancial StructuringStrategyStrategic PlanningManagementVenture CapitalFrom Temple's professional profile.
Same school
Also attended University of Virginia341
Alexis OhanianFounder & General Partner of Seven Seven SixAndy FligelSenior Managing Director at Intel CapitalKandace ElamVice President of GTM Talent at Menlo VenturesTrevor KienzleInvestor at Correlation VenturesFrank RotmanCo-Founder and Partner Emeritus at QED InvestorsMegan LightcapPartner, Creator Fund at Slow Ventures
+ 335 more
Also attended MIT Sloan School of Management427
Doug LeonePartner at Sequoia Capital; former Global Managing PartnerHemant TanejaCEO & Managing Director of General CatalystBrad FeldCo-founder of Foundry and TechstarsChris MorrisProcess Specialist, Exit Readiness at Mayfair Equity PartnersBirgitteInvestor at InvestinorOlaInvestor at Investinor
+ 421 more
Also attended The American Film Institute1
Shared employers
Also worked at Aqua Membranes, Inc.2
Also worked at Rebound Technologies Inc.1
Also worked at SunDensity Inc.2
Also worked at Center for Sustainable Finance and Private Wealth5
Investments
Board seats
Aqua MembranesLeading Edge Equipment TechnologiesRebound TechnologiesSunDensity
Per the firm's website.
Colleagues at Clean Energy Ventures
Amy Zhao
Principal at Clean Energy Ventures
Ben Rogers
Venture Partner at Clean Energy Ventures
Bridget Michalowski
Investor Relations Manager at Clean Energy Ventures
Cara Tobin
Venture Partner at Clean Energy Ventures
Cheryl Hallett
Chief Financial Officer at Clean Energy Ventures
Coleman Adams
Investor at Clean Energy Venture
Cooper Bates
Analyst at Clean Energy Ventures
Danae Minich
Office Coordinator at Clean Energy Ventures
Network5
Daniel Goldman
Co-Founder and Managing Director at Clean Energy Ventures
David Miller
Co-Founder and Managing Director at Clean Energy Ventures
Matthew Nordan
Co-Founder and General Partner at Azolla Ventures
Peter Sopher
Investment Partner at Clean Energy Ventures
Shanbor Gupta
Principal at Clean Energy Ventures
Investors connected to Temple in public investor directories β a warm-intro map.






























