Ms. Wheelbarger currently serves as the Principal Deputy Assistant Secretary of Defense for International Security Affairs. Ms. Wheelbarger previously served as the Policy Director for the Senate Armed Services Committee, Deputy Staff Director and Senior Counsel for the House Permanent Select Committee on Intelligence, and Deputy Chief of Staff for the House Committee on Energy and Commerce. Ms. Wheelbarger also served as Counsel to the Vice President in the Office of the Vice President of the United States. She was also formerly the Counselor to the Secretary at the Department of Homeland Security. Prior to her present role, she was Vice President and Chief Compliance Officer at CSRA, Inc.