Sheila Cheston was the General Counsel at Northrop Grumman Corporation from 2010 through 2023. Prior to that, she served as Executive Vice President at BAE Systems, Inc., where she was responsible for the law department, and also the finance, strategy, M&A and regulatory functions. She has held various positions in the federal government, including General Counsel of the US Air Force, and special associate counsel to the President. She was a partner at what is now WilmerHale. She currently serves on the board of directors of for-profit and not-for-profit organizations. She is a graduate of Dartmouth College and Columbia Law School.