Professor of Political Science at the University of Mainz, specializing in Comparative Politics. Previously affiliated with the University of Münster, University of Osnabrück, and the Max Planck Institute for the Study of Societies in Cologne. Research interests include comparative political economy, democracy, social and political inequality, voter turnout, and political representation. Served as head of the German Political Science Association (DVPW) from 2018 to 2021.