Understanding the Complexities of Multinational Decision-Making and Consensus-Building: NDC Senior Course 146 participates in NMDX

From 12 to 16 May 2025, Senior Course 146 participated in the Negotiation, Mediation and Decision-Making Exercise (NMDX), an international crisis management simulation that challenged the Course Members’ ability to navigate complex geopolitical scenarios and make critical decisions under pressure.

Course Members engaging in discussions within their respective roles in the committee rooms during the NMDX exercise.

Course Members engaging in discussions within their respective roles in the committee rooms during the NMDX exercise.

Senior Mentor Mr Ted Whiteside guiding Senior Course 146 participants through the challenges of the NMDX exercise.

Senior Mentors and NDC Faculty Advisors debriefing on the NMDX exercise at the end of the day in the NDC Main Auditorium, discussing key insights.

Senior Mentor Lieutenant General (Ret.) Jan Broeks addressing Senior Course 146 participants during the NMDX exercise.

Course Members engaging in discussions within their respective roles in the committee rooms during the NMDX exercise.

Course Members engaging in discussions within their respective roles in the committee rooms during the NMDX exercise.

Intended to develop the Course Members’ ability to build consensus and make decisions within a multinational environment, this five-day exercise provided comprehensive insights into NATO’s international crisis management framework and the multilateral politico-military decision-making process.

Participants took on key roles in senior NATO committees, such as the Political Committee and the Military Committee, as well as in the North Atlantic Council. They were tasked with responding to a UN Security Council mandate for a NATO-led crisis response operation in a simulated, fictitious non-NATO country. They were then confronted with the complexities of decision-making and consensus-building in a multinational environment.

The key objective of the NMDX exercise is for Course Members to understand the structure of NATO’s Military Committee and, more importantly, the complexity of reaching consensus among 32 Allies. Consensus-building is at the heart of NATO decision-making, requiring negotiations, compromise and mutual understanding. Since its founding in 1951, the NATO Defense College has prepared leaders to serve effectively at NATO Headquarters. This exercise was designed with that purpose in mind: to ensure Course Members are ready for their future roles (within the Alliance) and fully understand the scope, complexity and limitations of a NATO mission.

Course Members were mentored throughout the exercise by NATO experts, including Ambassador (Ret.) Tacan Ildem, Lieutenant General (Ret.) Jan Broeks, Lieutenant General (Ret.) Hans-Werner Wiermann, Lieutenant General (Ret.) Michel Yakovleff and Mr Ted Whiteside. Drawing on their extensive experience in high-level roles, the Senior Mentors provided invaluable, real-world insights into diplomacy, military strategy and international relations.

NDC Public Affairs Office
(Prepared by Ms Britt Melinga, NLD C)