American University School of Public Affairs

Dean of Undergraduate Education & Vice Provost for Academic Student Services at American University School of Public Affairs

Brookings Institution

Director of Research - Foreign Policy, Co-Director, Security and Strategy, Senior Fellow - Foreign Policy, Center for 21st Century Security and Intelligence, The Sydney Stein, Jr. Chair at Brookings Institution

Brookings Institution

Fellow - Governance Studies, Senior Editor and Counsel - Lawfare at Brookings Institution

Emeritus Professor at University of Manchester

UW Professional & Continuing Education

Lecturer, Department of Management & Organization Studies, University of Washington at UW Professional & Continuing Education

American University School of Public Affairs

Adjunct Professorial Lecturer at American University School of Public Affairs

Syracuse University

Associate Professor, History at Syracuse University

UNC School of Government

Brookings Institution

David M. Rubenstein Fellow - Metropolitan Policy Program at Brookings Institution

Johns Hopkins School of Advanced International Studies

Christian A. Herter Professor of American Foreign Policy at Johns Hopkins School of Advanced International Studies