Agnieszka Nimark works on various archival, documentary, and oral history projects related to nuclear disarmament movements with the Reppy Institute for Peace and Conflict Studies.  She holds a master’s degree in International Public Law from the University of Paris 1 Panthéon-Sorbonne and a Ph.D. in Law from the European University Institute, Florence, Italy. She is an Associate Senior Researcher in Global Geopolitics and Security at CIDOB – Barcelona Centre for International Affairs. Her main areas of expertise are the evolution of the United Nations collective security and peacekeeping system in the post-Cold War period and the role of regional organizations in conflict prevention and crisis management.