Political Science Course of Graduate School of Law, Doctoral Program
2002-2004 Adjunct Instructor, Faculty of Lawn and Politics, Rikkyo University
2004-2005 Research Fellow, Faculty of Law, Hokkaido University
2005-2006 Assistant Professor, Faculty of Law, Hokkaido University
2006-2009 Associate Professor, National Graduate Institute for Policy Studies
2010-2014 Associate Professor, Department of International Relations, Sophia University
Main research topics: International history of Post-war Asia,
Japan's diplomacy
(Subject of research)
Japanese diplomacy in the post world war II period