Marina Kostić is a specialist in International Politics and a PhD candidate of International and European Studies at the Faculty of Political Sciences, University of Belgrade. She holds OSCE and Konrad Adenauer Stiftung scholarships. Her areas of special interest are world order and security. Marina has published several research papers on international relations theory, contemporary world order, EU enlargement policy, the bilateral relations of the Western Balkan states, Serbian military neutrality and the role and nature of international institutions in the creation of world order. In 2015, she finished the CSDP Training Program, organized by the European Security and Defense College. In 2016, she was elected as one of the participants of the GLOBSEC Young Leaders Forum. Since January 2017 Marina has acted as Secretary General of the Professional Association of Security Sector. Parallel with her academic engagement, Marina has worked in several state institutions.