Mark J. Lewis
Mark Lewis is a Managing Director with Lime Rock New Energy, a provider of growth equity capital to rapidly growing companies that are helping to drive the clean energy transition. At Lime Rock New Energy Mark is focused on investment sourcing, execution, and overall fund management. Mark joined Lime Rock New Energy in 2018 with a career that has spanned energy transition company management and operations as a senior executive, as an energy transition investor, and a partner working with entrepreneurs and company leaders to build businesses delivering real impact. Prior to joining Lime Rock New Energy, Mark served as the President of TAE Technologies, Inc., a leading fusion energy technology development company. Mark also served as CEO of ONEnergy, Inc., a diversified energy services company involved in energy retailing, commercial and industrial energy efficiency and distributed solar projects. Previously, Mark was a Managing Director and Co-Chair of the Investment Committee at MissionPoint Capital Partners, an environmentally driven investment firm focused on financing the transition to a lower carbon economy. Earlier in his career, Mark served with General Electric in Europe and the US, including three years as the head of Global Business Development at GE Energy where he led a team of thirty-five professionals. He was involved in over $15 billion of transactions during his career at GE. Mark started his career in energy investment banking at Credit Suisse in New York and London. Mark is serves as a director of Electric Power Engineers, and ENER-i.ai, and he previously served on the boards of directors of Qmerit, Trilliant Networks, UpWind Solutions, ONEnergy, and OZZ Clean Energy.