- 1996 - 2000 日航財団・主任研究員.
- 1996 - 2000 PRINCIPAL RESEARCHER, JAL FOUNDATION
- 1999 - 1999 Osaka Gakuin University
- 1999 - 1999 INSTRUCTOR, OSAKA GAKUIN UNIVERSITY.
- 1995 - 1996 インドネシア国立観光高等学院・客員教授
- 1995 - 1996 VISITING PROFESSOR,
- Toyama University of International Studies Faculty of Contemporary Society, Department of Contemporary Society Professor,Others
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