Hannah S. Sistare served as Staff Director and Counsel to Senator Fred Thompson on the United States Senate Governmental Affairs Committee from 1995 to 2002. She has held positions within the Departments of Health and Human Services and Labor and has taught at both George Washington University and American University. She also served as Chief of Staff to Senator Charles H. Percy and as Chief Legislative Assistant to former Senate Republican Leader Hugh Scott. She is currently a Nonresident Senior Fellow at the Brookings Institution.