Catherine E. De Vries is Generali Endowed Chair in European Policies and a Professor of Political Science at Bocconi University. She is the author of several books on European politics, including Euroscepticism and the Future of European Integration (OUP, 2018), Political Entrepreneurs (Princeton UP, 2020) and Money Flows: The Political Consequences of Migrant Remittances (OUP, 2024).

Sara B. Hobolt is the Sutherland Chair in European Institutions and professor at the London School of Economics and Political Science. She is the author of four books on European politics, including Europe in Question (OUP, 2009), Blaming Europe? (OUP, 2014) and Political Entrepreneurs (Princeton UP, 2020).

Sven-Oliver Proksch is a Professor of Political Science and Chair in European and Multilevel Politics at the University of Cologne. His research interests include political representation, party politics, parliaments, and political text analysis. He is co-author of the book The Politics of Parliamentary Debates (CUP, 2015).

Jonathan B. Slapin is a Professor of Political Science and Chair in Political Institutions and European Politics at the University of Zürich. His current research focuses on European parliamentary and party politics, and his most recent book is Roll Call Rebels (CUP, 2019).