Chief Executive Officer
Mary has served as chief executive officer of Sunrun (Nasdaq: RUN), the nation’s leading home solar, battery storage, and energy services company, since August 2021. In 2018, Mary joined Sunrun’s Board of Directors, where she continues to serve as a member of the board. From 2008-2019, Mary served as the president and chief executive officer of Green Mountain Power Corporation (formerly NYSE: GMP), an electric services company that serves 75 percent of the State of Vermont’s residential and business customers. At GMP, Mary successfully executed strategies to drive increased customer satisfaction and growth, delivered on an ambitious energy vision to provide low-carbon, low-cost and highly reliable power to Vermonters, and positioned the company as a leading energy transformation business. Mary’s previous roles at GMP include serving as senior vice president and chief operations officer from 2001-2008, and as senior vice president of Customer and Organizational Development from 1999-2001. Mary is nationally recognized for her work disrupting the energy sector and has received numerous industry awards, including being named Utility Dive’s 2019 Executive of the Year and one of Fast Company’s 100 Most Creative People in Business in 2016. Prior to joining GMP in 1998, Mary held executive roles within the banking industry, and served in state government. Mary currently serves on the board of directors of CGI Inc. (NYSE:GIB), a global IT and business consulting services firm, and recently served on the board of Hawaiian Electric Industries Inc. (NYSE: HE), the largest utility in Hawaii. She has also served on the boards of a number of other privately held companies and nonprofits. Mary also previously chaired the board of Climate Change Crisis Real Impact | Acquisition Corporation (NYSE: CLII), a former special-purpose acquisition corporation that combined with EVgo Services and enabled the fast charging network for electric vehicles to become a publicly listed company. Mary enjoys spending time on her farm with her husband Mark, daughter Alex, their five dogs and a couple dozen barn animals.