Columbia University

Sociology, George Mason University, Hoover Institution

Professor of Political Science Humboldt University

Dresser Professor and Regents Professor of Sociology, Oklahoma State University

Professor of Sociology, University of Chicago, retired

Professor of Sociology, University of Wisconsin - Madison

Department of Sociology, University of California

Professor of Political Science, Leuphana University Lueneburg; Special Consultant to the …

Institute for Governance and Policy Analysis, University of Canberra

University of Minnesota