●April,2000 ～March,2008
Associate Professor, OSAKA UNIVERSITY Of TOURISM
(OSAKA MEIJO UNIVERSITY)
April,2002  Professor, The Above Uni.
(Change name  to Osaka University of Tourism)

●April,2008,
～March,2015   Professor of  J. F. Oberlin University

●April,2015
～March,2017   Visiting Professor of  Kyoei University