2018/04 - 現在 kokushikan University Faculty of Political Science and Economics, Department of Political Science and Public Administration Professor
2016/04 - 2018/03 kokushikan University Faculty of Political Science and Economics, Department of Political Science and Public Administration Associate Professor
2009/04/01 - 2016/03/31 Kokushikan University Faculty of Political Science and Economics
2009/04 - 2016/03 kokushikan University Associate Professor