- 2002/04 - 現在 Rikkyo University College of Economics, College of Economics
- 2002/04 - 現在 Professor,Department of Accounting and Finance,College of Economics,RIKKYO UNIVERSITY
- 2002/04 - 2012/03 Rikkyo University Graduate School of Business Administration
- 2002/04 - 2012/03 Professor,Graduate School of Business Administration,RIKKYO UNIVERSITY
- 1993/04 - 2002/03 Rikkyo University Department of Business Administration, College of Economics
- 1993/04 - 2002/03 Professor,Department of Business,College of Economics,RIKKYO UNIVERSITY
- 1984/04 - 1993/03 Rikkyo University Department of Business Administration, College of Economics
- 1984/04 - 1993/03 Associate Professor (as old post name),Department of Business,College of Economics,RIKKYO UNIVERSITY
- 1982/04 - 1984/03 Rikkyo University Department of Business Administration, College of Economics
- 1982/04 - 1984/03 Lecturer,Department of Business,College of Economics,RIKKYO UNIVERSITY
- 1981/04 - 1982/03 Rikkyo University College of Economics
- 1981/04 - 1982/03 Research Assistant,College of Economics,RIKKYO UNIVERSITY
- Rikkyo University College of Economics Professor