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Joel Fetter
Managing Director
Clark Street Associates


Mr. Fetter is responsible for Clark Street’s programs in advanced energy, critical minerals and industrial technologies.
Mr. Fetter has more than 15 years of experience developing managing programs for the federal government, with a focus on entrepreneurship and innovation to bring advanced energy technologies to market. Mr. Fetter led Booz Allen Hamilton’s climate technology innovation practice, which provided strategy and support to major government funding programs, such as ARPA-E and NYSERDA. He was responsible for the development of ARPA-E’s Technology-to-Market program, which integrates R&D with commercial strategy to transition new climate technologies from the lab to the market. He also developed ARPA-e’s advanced nuclear program.
Mr. Fetter earned a B.A., summa cum laude, from the University of Colorado at Boulder and an M.A. from the Fletcher School of Law and Diplomacy at Tufts University.