- 2015/04 - 現在 kokushikan University Faculty of Political Science and Economics, Department of Economics Professor
- 2004/04 - 現在 Lecturer
- 2016/04 - 2019/03 成城大学 文芸学部英文学科 大学等非常勤研究員
- 2016/03 - 2019/03 Part-time researcher for university or other academic organization
- 2007/04 - 2015/03 kokushikan University Faculty of Political Science and Economics, Department of Economics Associate Professor
- 2007/09 - 2008/03 Lecturer
- 2006/04 - 2007/03 国士舘大学 政経学部 経済学科 助教授・准教授
- 2006/04 - 2007/03 Associate Professor Faculty of Political Science and Economics, Department of Economics
- 2006/04 - 2007/03 kokushikan University Associate Professor
- 2003/04 - 2007/03 Lecturer
- 2002/04 - 2006/03 Lecturer
- 1998/04 - 2002/03 関東学院大学 工学部 非常勤講師
- 1998/04 - 2002/03 Lecturer
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