Arnd Bauerkämper, Free University of Berlin, GermanyDonatella della Porta, Italian Institute of Human Sciences, Italy and European University Institute, ItalySabine Frerichs, University of Helsinki, FinlandTeemu Juutilainen, University of Helsinki, FinlandGary Marks, University of North Carolina, Chapel Hill, USAKathleen R. McNamara, Georgetown University, USALouisa Parks, University of Lincoln, UKRainer Schützeichel, University of Bielefeld, GermanyNikola Tietze, Hamburg Institute for Social Research, GermanyHans-Jörg Trenz, University of Copenhagen, DenmarkGeorg Vobruba, University of Leipzig, GermanyBénédicte Zimmermann, École des Hautes Études en Sciences Sociales, France