Hans-Jorg Trenz is Professor at the Department of Media, Cognition and Communication at University of Copenhagen, Denmark, and adjunct Professor at ARENA, Centre for European Studies of University of Oslo, Norway. His main research interests are in the areas of media, communication and the public sphere, civil society, European civilization and identity, political sociology and democracy.
Carlo Ruzza is Professor of Political Sociology at the University of Trento, Italy. His research interests focus upon civil society, social movements, right-wing parties and the process of European integration.
Virginie Guiraudon is a Research Director at Centre d'etudes europeennes de Sciences Po, Paris. Her main interests lie in the comparative politics of immigration and citizenship and also include European integration and transnational mobilization. She sits on the board of various journals such as Comparative European Politics and the European Journal for Political Research.