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Frank O’Sullivan

Managing Director, Renewable Energy, S2G Ventures

Frank O'Sullivan

Francis (Frank) O’Sullivan is Managing Director for S2G Ventures where he oversees the fund’s Energy investments.

Previously, Frank was a Senior Vice President and Head of Onshore Strategy for Ørsted, one of the world’s leading renewable energy developers. In this role, Frank was responsible for the long-term commercial planning and market analysis across onshore wind, solar and storage, and was a member of the management team responsible for growing Ørsted’s onshore business from <1GW of wind in 2019 to >5GWs of wind solar and storage today.

Prior to Ørsted, Frank was Director of Research for the MIT Energy Initiative and Co-Director of the MIT Electric Power System Center where he led the research agenda of one of the world’s leading energy and sustainability-focused academic research initiatives with an annual budget approaching $50M. Frank continues to hold a Senior Lecturer position at the MIT Sloan School of Management, where each Fall he teaches his class, “Climate & Energy Ventures.”

Through both his commercial and academic activity, Frank has also been broadly engaged in regulatory and policy development in support of the clean energy, water and climate objectives and has written and spoken widely on these topics.

Frank has previously served as a member of the U.S. National Academies’ Roundtable on Science and Technology for Sustainability. He is a Senior Associate with the Energy and National Security Program at the Center for Strategic and International Studies, and he is a Distinguished Associate with the Energy Futures Initiative. He has also served as a member of the U.S. Secretary of Energy’s working group on methane emissions, and as a Senior Advisor to the U.S. Secretary of Energy for the 2016 Quadrennial Energy Review.

Frank received his Ph.D., E.E., and S.M. degrees from the Massachusetts Institute of Technology, and his B.E. degree from the National University of Ireland, all in electrical engineering.