Claus Offe, born 1940, was Professor of Political Science at Humboldt University, Berlin, where he held a chair in Political Sociology and Social Policy. His previous positions include professorships at the Universities of Bielefeld and Bremen, where he served as director of the Center of Social Policy Research. He has held research fellowships and visiting professorships in the US, Canada, Australia, Hungary, Poland, Austria, Italy, and the Netherlands. Since 2006 he has been Professor of Political Science at Hertie School of Governance, Berlin. His fields of research are democratic theory, transition studies, EU integration, and welfare state and labour market studies. He has published numerous articles and book chapters in these fields, a selection of which is reprinted as Herausforderungen der Demokratie. Zur Integrations- und Leistungsfähigkeit politischer Institutionen (2003). Recent book publications in English include Varieties of Transition (1996), Modernity and the State: East and West (1996), Institutional Design in Post-Communist Societies (1998, with J. Elster and U.K. Preuß), Reflections on America. Tocqueville, Weber, und Adorno in the United States (2005) and Europe Entrapped (2014).