UNC Chapel Hill & European University Institute, Florence

Professor, dr. philos, Agder University, Dept of political science and leadership

Technical University of Darmstadt

Cardiff Metropolitan University

Professor of Political Science

Professor, University of Southern California

Professor, Tilburg University

Full professor, University of Urbino Carlo Bo

Professor of Public Administration, Public Policy, Technical University of Darmstadt

Professor Emeritus, University of Winnipeg, Adjunct Professor, University of Manitoba