Chercheur, Directeur du Centre des études de sécurité de l'Ifri

Domaines d'expertise :

  • Politiques de défense française et américaine
  • Postures nucléaires, prolifération et désarmement
  • Prospective des conflits
  • Technologies et capacités militaires


Corentin Brustlein dirige depuis 2015 le Centre des études de sécurité de l'Ifri, au sein duquel il conduit des recherches portant sur les politiques et stratégies de défense, les transformations de la guerre et des armées et les postures nucléaires dans le monde.

Corentin Brustlein contribue par ailleurs au blog Ultima Ratio.

Titulaire d'un doctorat de Science politique de l'Université Jean Moulin Lyon 3, Corentin Brustlein a notamment enseigné la Pensée stratégique à Sciences Po Paris (Master affaires internationales), ainsi que la Théorie des relations internationales (L3 de Science politique) et la Sécurité internationale (Master 1 de Science politique) au sein de l'Université Jean Moulin.

All my publications

The instruments of cooperative security created during and since the Cold War to foster mutual confidence and reduce the risks of war, inadvertent escalation, and arms races, in and around Europe, have come under increasing strain.

By: Corentin BRUSTLEIN, James DOBBINS, Dalia DASSA, Olivier MEIER, Marco OVERHAUS, Neil QUILLIAM, Charles RIES, Dorothée SCHMID, Sanam VAKIL, Azadeh ZAMIRIRAD

Transatlantic differences over the future of the Iran nuclear deal – or the Joint Comprehensive Plan of Action (JCPOA) of July 2015 – are damaging a nuclear accord that all parties, except the United States, see as delivering on its purpose. They also increase the risk of Washington and...


Over the past few years, a debate on possible scenarios of limited nuclear weapons use has surfaced again in the United States. Russian nuclear saber-rattling since 2014 and the growing tensions in the Korean peninsula have led Washington to reassess its own ability to deter, or respond...


France’s current presidential campaign has created an unprecedented situation fuelled by revelations and a total absence of restraint, but it has not truly taken account of the disruptions of the last year: Brexit, the attempted coup in Turkey, the election of Donald Trump, the recapturing of...


What will become of US foreign policy under Donald Trump? A selection of Ifri researchers has come together to offer their thoughts on this question. Our experts cover an array of topics through 14 contributions, ranging from the future Sino-American relations, through US engagement in the...

All my medias