- 2011/07/01 - Seinan Gakuin University Vice President (General Affairs)
- 2006/12/15 - 2011/06/30 Seinan Gakuin University Vice President
- 2005/07/01 - 2006/12/14 Seinan Gakuin University Dean of Students Affairs
- 2005/07/01 - Seinan Gakuin Trustee
- 2001/07/01 - 2003/06/30 Seinan Gakuin University Dean of Dept. of Literature
- 2001/07/01 - 2003/06/30 Seinan Gakuin Trustee
- 1995/07/01 - 1999/06/30 Seinan Gakuin University, Head of Division of English of Dept. of Literature
- 1996/04/01 - Seinan Gakuin University, Professor
- 1985/04/01 - 1996/03/31 Seinan Gakuin Univesity, Dept. of Literature, Associate Professor
- 1994/07/01 - 1995/06/30 Seinan Gakuin University, Chief of Student Affairs of Dept. of Literature
- 1986/04/01 - 1990/03/31 Seinan Gakuin University, Men's Dormitory Master
- 1982/04/01 - 1985/03/31 Seinan Gakin University, Dept of Literature, Lecturer
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