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Gayle E. Littleton

Executive Vice President, Chief Legal Officer

Exelon Corporation

​Littleton was named the company's general counsel in November 2020. She serves as the top legal advisor to Exelon's Board and senior management, and she oversees the company's legal and corporate governance departments.


Professional History

Prior to joining Exelon in 2020, Littleton was Co-Chair of the Investigations, Compliance and Defense Practice at Jenner & Block LLP, where she led complex investigations and litigation matters. Littleton was Chambers USA-ranked in white-collar investigations and was named on Global Investigations Review's list of 100 "Women in Investigations" globally. She served on Jenner's Management Committee and co-chaired the firm's Women's Forum Steering Committee, comprised of women partners across offices. Before joining Jenner, Littleton was an Assistant U.S. Attorney with the Department of Justice for over a decade, where she prosecuted complex federal cases in the Northern District of Illinois in Chicago and in the Northern District of Florida. Littleton is a former law clerk to the Honorable Gerald W. Heaney of the U.S. Court of Appeals for the Eighth Circuit and a former law clerk to the Honorable Joseph L. Tauro of the U.S. District Court for the District of Massachusetts.


Littleton received her law degree, magna cum laude, from Cornell Law School and her Bachelor of Arts degree from Stetson University.