Francis G. Castles is Professor Emeritus at the University of Edinburgh and Adjunct Professor of Political Science at the Research School of Social Sciences at Australian National University and at the Center for Social Policy Research (CeS) in Bremen. Stephan Leibfried is Professor of Public Policy at the University of Bremen, Director of the Collaborative Research Center "Transformations of ... Read morethe State" (TranState) and member of the Unit History and Institutions of the Center for Social Policy Research (CeS) there. Jane Lewis is Professor of Social Policy at the London School of Economics and Political Science, a Fellow of the British Academy, and a Founding Fellow of the Academy of Social Sciences. Herbert Obinger is Professor of Comparative Public and Social Policy at the University of Bremen, directs the Unit History and Institutions of the Center for Social Policy Research (CeS) and directs two projects in the Collaborative Research Center "Transformations of the State" (TranState). Christopher Pierson is Professor of Politics at the University of Nottingham and Director of Teaching and Lead Editor of the British Journal of Politics and International Relations. Show Less