2003 - Today Otaru University of CommerceFaculty of Commerce
1994 - 2003 , Associate Professor,
1994 - 2003 Otaru University of CommerceFaculty of Commerce
2003 -The Present, Professor,
2001/07 - 2002 Visiting Professor (University of Colorado at Boulder,Leeds School of Business)
2001 - 2002 , Visiting Professor
1989 - 1994 , Research Assistant,
1989 - 1994 Hokkaido Information UniversityFaculty of Business Administration and Information Science
1988 - 1989 , Researcher, Toshiba Corporation
1988 - 1989 東芝(システム・ソフトウェア技術研究所)
Leeds School of Business)
(University of Colorado at Boulder,
Otaru University of Commerce
Hokkaido Information University