Distinguished Professor of International Relations, and the UNESCO Chair in Transnational Challenges and Governance, Professor of International Relations, School of International Service, American University, Washington, DC, USA 

Former President of the International Studies Association (ISA, 2014-2015)

Former Chair in Global Governance, Department of Politics, and Director, Centre for Governance and International Affairs, University of Bristol, United Kingdom

Former Professor, Deputy Director and Head of Research, Institute of Defence and Strategic Studies (now S. Rajaratnam School of International Studies), Nanyang Technological University, Singapore

Former Professor, Department of Political Science, York University

Fellow, Harvard Asia Center, and Fellow, Centre for Business and Government, John F. Kennedy School of Government, Harvard University

Emeritus Professor of law at the University of Tokyo

RCAST Fellow

Former governor of Kumamoto Prefecture (2008-2024)