Since 2010, he has been Professor of Comparative Political Economy and spokesperson for the SOCIUM Research Center on Inequality and Social Policy at the University of Bremen. Previously, he was Professor of Modern Political Theory at the Institute of Political Science at Heidelberg University (October 2009–September 2010) and Professor of Political Science and Public Administration at the University of Konstanz (April 2007–September 2009). He is a member of the Berlin-Brandenburg Academy of Sciences and Humanities.