2012 Visiting Professor, German Federal Institute for Employment Research (IAB), (Spring) 2011 Visiting Fellow, Amsterdam Centre for Inequality Studies, University of Amsterdam (Fall) 2004 - 2007 Postdoctoral Associate, Center for Research on Inequalities and the Life Course, Department of Sociology, Yale University 2002 - 2004 Dissertation Fellow & Lecturer, Institute for Sociology, Ludwig-Maximilians- University, Munich, Germany 1999 - 2002 Wissenschaftlicher Mitarbeiter, Institute for Sociology, Ludwig-Maximilians-University, Munich, Germany 1999 - 2000 Research Associate, Mannheim Center for Social Research, University of Mannheim, Mannheim, Germany 1998 Visiting Fellow, American Institute for Contemporary German Studies, Washington D.C.