Acting Secretary, United States Department of Homeland Security, 2013-present

No caucus information on file.

Former Counterterrorism Coordinator, Department of Homeland Security

Former Adjunct Lecturer, Kennedy School of Government, Harvard Universiy

Former President, National Security Network

Acting Deputy Secretary, United States Department of Homeland Security, 2013

Under Secretary, National Protection and Programs Directorate (NPPD), Department of Homeland Security, 2009

Special Assistant to the President and Senior Director, Combating Terrorism, National Security Council Staff, 2002-2003

Assistant Secretary of State, International Narcotics and Law Enforcement Affairs, 1998-2002

Special Assistant to the President and Senior Director, Intelligence Programs, National Security Council Staff, 1995-1998

Deputy Assistant Secretary of State, Regional Affairs, Bureau of Politico-Military Affairs, 1992-1993

Director, Counter-terrorism and Counter-Narcotics, National Security Council Staff, 1988-1992

Served, United States Marine Corps, Vietnam, 1964-1968

No organizational membership information on file.