Thierry Tardy

Dr Thierry Tardy is an Associate Senior Researcher at the Institut Jacques Delors in Paris and Visiting Professor at the College of Europe (Bruges and Natolin) and at the University of Paris-Saclay. He previously held management and research positions at the NATO Defense College (NDC), the EU Institute for Security Studies (EUISS), the Geneva Centre for Security Policy (GCSP), and the Foundation for Strategic Research (FRS). He regularly lectures at the NATO Defense College, the Baltic Defence College, as well as in the French military academies (Saint-Cyr and War College). 

He has authored 8 books and more than 200 book chapters and articles on issues pertaining to European security and defence, EU and NATO policies, EU-NATO relations, UN peacekeeping, the consequences of the war in Ukraine, and national defence policies.  

His latest publications include “NATO at 75 and beyond: internal and external challenges”, Special Issue of Defence Studies (co-edited with Mark Webber), March 2025; “Turbo-charging the EU’s defence industry and security posture” (with S. Ostanina), Policy Brief, Centre Jacques Delors, Berlin, April 2024; The Nations of NATO. Shaping the Alliance’s Relevance and Cohesion, edited, Oxford University Press, 2022; “NATO’s New Strategic Concept”, edited, NDC Research Paper 25, NATO Defense College, September 2022, and “War in Europe: preliminary lessons”, edited, NDC Research Paper 23, NATO Defense College, May 2022.