Dr Ingrid Artus is Professor at the Institute of Sociology at Friedrich-Alexander Universität Erlangen-Nürnberg, Germany, having received her doctoral degree from the Friedrich Schiller University of Jena, Germany, in 2001 and her “habilitation” from the Technical University of Munich in 2009. Her research focuses on comparative industrial relations, industrial relations in Germany and France, works councils, precarious work, collective bargaining, and collective action.Dr Martin Behrens is Program Director for European Employment Relations at the Institute for Economic and Social Research at the Hans-Boeckler-Foundation, Germany, and Lecturer in the Department of Sociology at the University of Göttingen. He received his doctoral degree from Cornell University in 2002 and his “habilitation” from the University of Göttingen in 2010. His research focuses on comparative industrial relations, German employers’ associations, works councils and labour unions. Dr Berndt Keller is Professor of Employment Relations at the University of Konstanz, Germany. His present research interests focus on international and comparative employment relations, atypical forms of employment/contingent work, employment relations in the public sector, and union mergers. Wenzel Matiaske is Head of the Institute for Employment Relations and Labour at Helmut-Schmidt-University, Germany, and a Research Fellow at the German Institute for Economic Research (DIW Berlin). He received his doctoral degree from the University of Paderborn, Germany, in 1991 and his “habilitation” from the Technische Universität Berlin in 1999. Dr Werner Nienhueser is Professor and Chair of Business Administration and Human Resource Management at the University of Duisburg-Essen, Germany. He was DFG Research Fellow from 1993 to 1994 and Professor of Public Management, Human Resource Management and Organisation at the University of Konstanz from 1994 to 1995. Dr Britta Rehder is Professor of Political Science at the Ruhr University Bochum, Germany, having received her doctoral degree from the Humboldt-University in Berlin in 2002 and her “habilitation” from the Westfälische Wilhelms-Universität Münster, Germany, in 2011. Her research focuses on industrial relations, interest groups, and the interaction of law and politics.Dr Carsten Wirth is Professor in the Department of Social Sciences and Social Work at the University of Applied Sciences Darmstadt, Germany, where he teaches manpower studies, human resource management and organization. His research focuses on interorganisational networks and their impact on industrial relations, particularly in the service sector, as well as new management practices and organization theory.