-Executive director, Project for the New American Century (a foreign and defense policy think tank), 1997-2005
-Adjunct professor, Paul H. Nitze School of Advanced International Studies (SAIS), The Johns Hopkins University, 1996-97
-Consultant, U.S. Department of Defense, 1992-1993
-Fellow, The National Interest; the Brookings Institution; and the National Strategy Information Center, 1988-1996
-Executive director, the President's Foreign Intelligence Advisory Board, the White House, 1984-1988
-Minority staff director, 1982-1984; professional staff member, 1981-1984, Senate Select Committee on Intelligence
-Research faculty, White Burkett Miller Center for Public Policy, University of Virginia, 1977-1979
Ph.D., University of Chicago
B.A., University of Dallas