Marna McDermott is Director of Sustainability at Exelon, the nation’s premier transmission and delivery utility. In her current role, Marna
leads development of Exelon’s sustainability strategy—to steward an equitable clean energy transition.
Marna has extensive experience in environmental, energy, natural resource, and administrative law and policy, in not-for-profit organizations
and federal government agencies. She most recently served as Deputy Director of the Conservation Litigation Project, which she helped
launch in 2017 to support litigation in defense of public lands and conservation.
During Marna’s thirteen years with the federal government, she served as Deputy General Counsel for the White House Council on
Environmental Quality (CEQ), and in several roles at the US Environmental Protection Agency (EPA), including as Associate Deputy General
Counsel and Special Assistant to the General Counsel.
Marna began her legal career as a law clerk to Judge Robert C. Chambers on the United States District Court for the Southern District of
West Virginia. Marna received her BA from Middlebury College and her JD and Master of Environmental Management from Duke University.
She lives in Washington, DC, with her husband and three daughters.