Principal Associate Director, Global Security Principal Directorate, Lawrence Livermore National Laboratory
Former Assistant Secretary, Department of Homeland Security
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Senior Research Fellow
Defense and Homeland Security, The Heritage Foundation
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Younger-Carter Distinguished Policymaker in Residence and Director, Homeland Security Certificate Program, Bush School of Government & Public Service, Texas A&M University
Former Assistant Director, Homeland Security, Government Accountability Office
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Associate Vice President, The George Washington University
Director, Homeland Security Policy Institute
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Independent Consultant, Department of Homeland Security
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Deputy Director, Homeland Security Policy Institute
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CEO, WMD Center
Former Executive Director, Congressional Commission on the Prevention of Weapons of Mass Destruction Proliferation and Terrorism
Colonel, U.S. Air Force (Ret.)
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Senior Fellow, Fondation pour la Recherche Stratégique
Senior Visiting Fellow, School of Advanced International Studies, Johns Hopkins University
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Faculty Member and Deputy Director for Policy Research, Center for Homeland Defense and Security, Naval Postgraduate School
Dean, Doctoral Program in Homeland Security, Colorado Tech University
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President and CEO, Zeta Associates Incorporated
Former Chief of Staff to the Director, Central Intelligence Agency
Former Deputy Director and Chief Financial Officer, National Reconnaissance Office
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Managing Director and General Counsel, Civitas Group, llc
Former Special Assistant to the President, Homeland Security Council
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Director, Homeland Security Programs, Raytheon Company
Former Special Assistant to the President and Executive Secretary, Homeland Security Council
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Director, Homeland Defense and Security Issues, Center for Strategic Leadership, Army War College
Lieutenant Colonel, U.S. Marine Corps (Ret.)
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