Mark Lewis

Managing Director

Mark Lewis is a Managing Director with Lime Rock New Energy, with responsibility for investment sourcing, execution, and overall fund management. He currently serves on the board of directors of Qmerit and Smart Wires. Mark joined Lime Rock New Energy in 2018 and brings a career in clean and renewable energy portfolio company management and operations, new energy investing, and strategic energy technology acquisitions. Most recently, he served as the President of TAE Technologies, Inc., the world’s largest and most advanced fusion energy technology development company. Prior to joining TAE Mark 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. He previously served on the boards of directors of Trilliant Networks, UpWind Solutions, ONEnergy, and OZZ Clean Energy.

Mark is a graduate of Western University (B.A.) and the Kellogg School of Management at Northwestern University (M.B.A.).