Stephen is a Senior Associate Professor in the Department of Politics and International Studies at the International Christian University. Previously he was an Assistant Professor at the Department of Japanese Studies from December 2009 to January 2014. He obtained his PhD from Waseda University, Japan in International Relations in December 2008 and worked as a Research Associate at the Institute of Asia Pacific Studies at Waseda University from October 2007 to November 2009.
His recent funded research projects are “Sino-Japanese Relations in the Wake of the 2012 Territorial Disputes: Investigating changes in Japanese Business’ trade and investment strategy in China” and “Non-traditional security Cooperation in Northeast Asia” and “Human Security Paradigm in Japan: Exploring the Challenges and Possibilities of International Cooperation in Northeast Asia”.
His research interests include international relations of Northeast Asia, Sino-Japanese relations, Asian regional integration and regionalism in Asia, non-traditional security, human security and migration/ immigration related issues. In conjunction with his research focus on Asian regional integration, in March 2010 he was appointed a Senior Fellow with the Global Institute of Asian Regional Integration (GIARI), Waseda University. He is also a member of the Hong Kong Institute of Asia Pacific Studies’ International Affairs Research Centre (IARC) at the Chinese University of Hong Kong.