Jacek Czaputowicz is Professor of Political Sciences at the University of Warsaw, Poland and Head of Methodology of European Research Unit at the European Studies Institute. His research interests are theories of international relations, European integration and international Security. Anna Wojciuk is Associate Professor of international relations at the University of Warsaw, Poland. Her research interests focus on the concept of power in IR theory and on international dimensions of education and science. Wojciuk was a visiting fellow at Cornell University, Harvard University, Columbia University, and at the European University Institute.