Goethe Universität Frankfurt

Professor of Law, Flinders University

Fellow, Australian National University

Assistant Professor, School of Law, Utrecht University

Professor of Law, Economics and Institutions at the University of Cambridge

Professor of Law, North-West University, Potchefstroom, South Africa

Centre for Social Studies, University of Coimbra

Professor of Law, North-West University

associate professor, Zurich university

Associate Professor of Political Science, Maxwell School, Syracuse University