Executive Chairman and Chairman of the Board of ManTech International Corporation

President of Armitage International, Former Deputy Secretary of State, Ambassador and Assistant Secretary

President of Bush International

Former Director, President and Chief Executive Officer, Allied Aerospace Industries, Inc

Director, Chevy Chase Trust Co. and ASB Capital Management

Member of the President's Commission on Intelligence Reform, Former Deputy Director, CIA

Managing Director of the Homeland Security Fund for Paladin Capital Group

President and CEO of ManTech International Corporation