Christian Joppke, Professor Emeritus, University of Bern Christian Joppke is Professor Emeritus of Sociology at the University of Bern and a Senior Research Fellow at the Hamburg Institute for Social Research (HIS). After earning a PhD in Sociology at the University of California, Berkeley (1989), he taught at the University of Southern California, European University Institute, University of British Columbia, International University Bremen, the American University of Paris, and the University of Bern. Specializing in comparative political sociology, he has written widely and influentially on social movements in West and East, immigration, citizenship, multiculturalism, religion, nationalism, populism, and more recently on liberalism and neoliberalism.