- 2016/04 - 現在 Saitama University Graduate School of Humanities and Social Science Associate Professor
- 2020/04 - 2022/03 Hosei University Graduate School Hosei Business School of Innovation Management Visiting Associate Professor
- 2010/04 - 2016/03 Seinan Gakuin University Department of Commerce
- 2008/04 - 2010/03 同 准教授
- 2007/04 - 2008/03 国立大学法人長崎大学経済学部企業行動・意思決定講座講師
- 2008 - April, 2008 - March, 2010 Associate Professor, Faculty of Economics, Nagasaki University
- 2006/04 - 2007/03 Waseda University Institute of Asia-Pacific Studies
- 2007 - April, 2007 - March, 2008 Senior Assistant Professor, Faculty of Economics, Nagasaki University
- 2005/04 - 2006/03 Meiji University School of Business Administration
- 2006 - April,2006 - March,2007 Research Associate,Institute of Asia-Pacific Studies, Waseda University
- 2005 - April,2005- March,2006 Research Associate,School of Business Administration, Meiji University