- 2006/04/01 - 現在 RIKKYO UNIVERSITY Graduate School of Business Administration Field of Study: Business Administration Professor
- 2006/04/01 - 現在 RIKKYO UNIVERSITY Graduate School of Business Administration Field of Study: Business Administration Professor
- 2006/04/01 - 現在 RIKKYO UNIVERSITY College of Business Department of Global Business Professor
- 2002/04/01 - 2006/03/31 RIKKYO UNIVERSITY Graduate School of Economics Professor
- 2002/04/01 - 2006/03/31 RIKKYO UNIVERSITY Graduate School of Business Administration Professor
- 2002/04/01 - 2006/03/31 RIKKYO UNIVERSITY College of Economics Department of Business Professor
- 1998/06/01 - 2002/03/31 Niigata University Graduate School of Economics
- 1998/06/01 - 2002/03/31 Niigata University Faculty of Economics
- 1989/07/01 - 1998/05/31 米国 カリフォルニア州立大学経営学部 教授
- 1984/08/01 - 1989/07/31 米国 カリフォルニア州立大学経営学部 副教授
- 1983/07/01 - 1984/06/30 カナダ ウインザー州立大学経営学部 助教授
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