Clarence T. Bishop serves as Associate Administrator for External Affairs.  In this role, he is responsible for managing NNSA's Congressional Affairs, Public Affairs, and Intergovernmental Affairs efforts to effectively communicate, promote and defend the NNSA's mission, goals and budget.  

He most recently served as Deputy Secretary of the Maryland Department of Business and Economic Development under Gov. Martin O'Malley. He also served four years as O'Malley's chief of staff when O'Malley was Mayor of Baltimore.

His career in public service also includes more than 20 years experience on Capitol Hill and in the executive branch including service as Confidential Assistant to the U.S. Under Secretary of Commerce, Deputy Executive Director of the U.S. Consumer Product Safety Commission, Chief of Staff to Georgia Congressman and civil rights legend John Lewis, and Chief of Staff to former Maryland Congressman and national small business advocate the late Parren J. Mitchell.

He holds a bachelor's degree in mathematics and a master's degree in urban planning and public policy from Morgan State University in Baltimore.

A native of Baltimore City, he lives in Columbia, Maryland with his wife Deidra.