Ronald D. Asmus is executive director of the German Marshall Fund of the United States’ Transatlantic Center in Brussels, Belgium and author of Opening NATO’s Door (Columbia University Press, 2002), a diplomatic history of NATO enlargement.

Jan Top Christensen is head of department at the Royal Danish Ministry of Foreign Affairs.

Mark Crossey is a testing coordinator for the British Council’s Peacekeeping English Project.

James Dobbins is a former US Ambassador to the European Community, Assistant Secretary of State for Europe, and special envoy for Afghanistan, Bosnia and Herzegovina, Haiti, Kosovo and Somalia. He is currently director of the International Security and Defense Policy Center at the RAND Corporation and lead co-author of the two-volume RAND History of Nation-Building (2005).

Kristian Fischer is Denmark's deputy permanent secretary of state for defence.

Helga Haftendorn is professor emeritus of political science and international relations at the Free University of Berlin and former director of its Center on Transatlantic Foreign and Security Policy Studies. She is the author of numerous books on German foreign policy and NATO, including the forthcoming From Self-restraint to Assertion: German Foreign Policy since 1945 (Rowman &Littlefield, 2005).

Jean-Yves Haine is European Security Fellow at the International Institute for Strategic Studies in London. His most recent book, Les Etats-Unis ont-ils besoin d’alliés ?, (Payot, 2004) received the France-Amérique Prize 2004.

Peter Viggo Jakobsen is head of the Department of Conflict and Security Studies at the Danish Institute for International Studies in Copenhagen.

David Lightburn is an independent peace operations consultant who helped develop the Alliance's involvement in peacekeeping while at NATO between 1992 and 2000.

Diego A. Ruiz Palmer is head of the Planning Section in NATO’s Operations Division.

Jeffrey Schwerzel is a cultural anthropologist working at the Free University of Amsterdam where he is preparing a doctoral thesis. He has been involved as a cultural adviser in the preparation of NATO forces for their missions to Afghanistan.

Thomas Yde is a Danish graduate of King’s College London’s Department of War Studies working temporarily in NATO’s Public Diplomacy Division.