Aaron Fyke
InvestorFounder and Managing Partner at Thin Line Capital
Pasadena, California, United States
About
A three-decade investor, engineer, and entrepreneur who cofounded six companies including two unicorns (Heliogen and Energy Vault) across fuel cell, ocean power, concentrating solar, and grid-scale energy storage. Previously a partner at Starfish Ventures and developer of a $10M energy XPRIZE; holds MBA/MSME from MIT and a BEng from University of Victoria.
Experience
- Thin Line CapitalFounder and Managing Partnercurrent2017 β presentPasadena, CA
- RekenAdvisorcurrent2024 β present
- OthersphereInvestorcurrent2023 β present
- Operant NetworksInvestorcurrent2022 β present
- SunairioInvestorcurrent2022 β present
- OptiwattInvestorcurrent2021 β present
- divirodInvestorcurrent2020 β present
- VoltaiqInvestorcurrent2020 β present
- Kevala, Inc.Investorcurrent2019 β present
- FlickCofounder/Advisorcurrent2018 β presentPasadena, California, United States
- Strategic News ServiceInnovation Ambassador2020 β 2024
- Energy Vault SAAdvisor2017 β 2022Pasadena, CA
- Heliogen Inc.Advisor2016 β 2021Pasadena
- Heliogen Inc.CEO/Cofounder2014 β 2015Pasadena
- MicaSenseCofounder2014 β 2019Pasadena
- USC Viterbi School of EngineeringAdjunct Lecturer2017 β 2018Greater Los Angeles Area
- National Science Foundation (NSF)I-Corps Adjunct Faculty2017
- Extended Leave - Colombia/Latin AmericaSabbatical2016BogotΓ‘ D.C. Area, Colombia
- Remodel It, an Idealab companyFounder and CEO2013Pasadena
- IdealabEntrepreneur in Residence2013
Education
- MIT Sloan School of ManagementMBA, Operations2000 β 2002
- Massachusetts Institute of TechnologyMS, Mechanical Engineering2000 β 2002
- University of VictoriaBEng, Mechanical Engineering1990 β 1995
Skills & more
+12 more
Energy EfficiencyEngineeringElectric VehiclesEngineering ManagementBusiness PlanningStart-upsNew Business DevelopmentRenewable EnergyStrategic AdvisorStarting new organizationsFanatical numerical analysisOrganizationLanguages English Β· French Β· German Β· Japanese Β· Spanish
- Advanced Open Water Diver β PADI
- Professional Engineer β Board for Professional Engineers and Land Surveyors of California
From Aaron's professional profile.
Same school
Also attended MIT Sloan School of Management427
+ 421 more
Also attended Massachusetts Institute of Technology981
+ 975 more
Shared employers
Also worked at divirod2
Also worked at Energy Vault SA6
Also worked at AeroVironment2
Also worked at Ballard Power Systems2
Deals Β· 2
DivirodBoard seat
via Thin Line Capital Β· filed May 2025 Β· $1.9M raise
Digital HarvestBoard seat
via Thin Line Capital Β· filed May 2020 Β· $1.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
























