Caterina Froio is Assistant Professor in Political Science at Sciences Po (Centre for European Studies and Comparative Politics), and research associate at the C-Rex (University of Oslo, Norway). Her research and teaching interests are in political parties and their transformations as agents of representative government and as organizations, the relations between extremism and democracy, and e-politics. Since 2016, she is joint convenor of the European Consortium for Political Research (ECPR) Standing Group on Extremism and Democracy. Her research has appeared in peer-review journals in various languages including Party Politics, Perspectives on Politics and the Revue Française de Science Politique and in several edited volumes, policy reports and media outlets.

Pietro Castelli Gattinara is Assistant Professor at the Centre for Research on Extremism, University of Oslo, Norway, and research associate at the Centre on Social Movement Studies, Scuola Normale Superiore, Florence, Italy. His research focuses on comparative politics, the far right and migration in Western Europe. He is currently leading a comparative research project on collective action against migration during the refugee crisis. He recently published The Politics of Migration in Italy (Routledge, 2016). His work related to public debate on the Charlie Hebdo attacks appeared on international peer-reviewed journals including South European Societies and Politics and the British Journal of Politics and International Relations.

Giorgia Bulli is Senior Research Fellow in Political Science at the University of Florence, Italy, where she teaches Political Communication, and Discourse Analysis. Her main research interests include the transformation of political parties and political movements in Europe in an organizational, political, cultural and communication strategy perspective. She has conducted extensive research in Germany, where she has held seminars on political communication and radical right parties and movements at the Humboldt University, Berlin.

Matteo Albanese is a post-doctoral fellow in contemporary history at the University of Padua, Italy. He works on transnational relationships between far-right organizations in Europe. His last book, Transnational Fascism (Bloomsbury, 2016) has been awarded the ERICS prize by ICS and has been welcomed by the academic community as a cutting-edge text in the field of fascist studies. He has also published several articles in different top journals.