Beatriz Cózar-Murillo is a Joint Ph.D. researcher at the Institute for International and European Studies (GIES) of Ghent University and at Pablo de Olavide University (Spain). She holds a Master in European Studies from the University of Salamanca and a bachelor’s degree in Law from the University of Seville. Her research focuses on the Common Security and Defence Policy of the European Union and, in particular, on the study of the Permanent Structured Cooperation (PESCO). Latest publication: PESCO as a Game-Changer for Differentiated Integration in CSDP after Brexit, European Papers, Vol. 7, 2022, No 3, pp. 1303-1324.