Professor of Politics, University of Ghana

Distinguished Research Professor of Law, NOVA University of Lisbon, Lisbon, Portugal

Research Professor of European and international governance of sustainability …

Department of Public Administration, National Cheng-chi University, Taipei, TAIWAN (ROC)

Professor Agregat Permanent. Departament de Sociologia. Universitat de Barcelona

Institute of Sociology, Czech Academy of Sciences; University of Washington, Seattle

Lecturer, University of Media, Arts and Communication

Postdoctoral Researcher University of Antwerp

Senior Research Fellow, Tampere University

University of North Carolina at Charlotte