Boglárka Koller, PhD is a habilitated associate professor, head of Department of European Studies and dean at the National University of Public Service, Faculty of International and European Studies. She graduated at the Corvinus University, Budapest as an economist in 1998; she also holds an MA in Nationalism Studies from the Central European University, Budapest and an MSc in European Studies from the London School of Economics and Political Science. Her main research areas are history and theories of European integration, differentiated integration and multi-speed Europe, Europeanisation in East-Central Europe. She has numerous publications on European integration among which there are three books (Nemzet, identitás és politika Európában – Nations, identities and politics in Europe -, L’Harmattan, Budapest, 2006.; Európa utazása – Journey of Europe. History of EU integration; co-author with Krisztina Arató, Gondolat Kiadó, 2015; Képzelt Európa – Imagined Europe; co-author with Krisztina Arató, Balassi Kiadó, 2013) and five edited volumes.