Jeffrey H. Michaels is the IEN Senior Fellow in American Foreign Policy and International Security at the Institut Barcelona d’Estudis Internacionals (IBEI). He also holds Visiting Fellowships with the Department of War Studies, King's College London and the Changing Character of War Centre, Pembroke College, Oxford. Earlier experience included working as a Senior Lecturer in Defence Studies at King’s, as well as serving as an official with NATO and the US Defense Department. He is the co-author, with Sir Lawrence Freedman, of The Evolution of Nuclear Strategy (4th Edition).