- 2016/04 - 中央大学商学部特任教授
- 2016/04 - ~ 中央大学商学部特任教授
- 2013/04 - 2016/03 University of Fukui, Fukui, Japan, Deputy Director, Professor, Language Center
- 2013/04 - 2016/03 University of Fukui, Fukui, Japan, Deputy Director, Professor, Language Center
- 2007/04 - 2013/03 Akita International University, Akita, Japan, Assistant Professor in EAP Dept.
- 2007/04 - 2013/03 Akita International University, Akita, Japan, Assistant Professor in EAP Dept.
- 2006/04 - 2007/03 Sagami Women's University
- 2002/04 - 2006/08 Tokyo Jogakkan College, Tokyo, Japan, Visiting Professor
- 2002/04 - 2006/08 Tokyo Jogakkan College, Tokyo, Japan, Visiting Professor
- 1999/04 - 2002/03 Otsuma Women's University
- 1997/04 - 2002/03 Chuo University
- 1999/09 - 2001/03 Aoyama Gakuin University
- 1997/04 - 1999/03 Kyoritsu Women's University
- 1997/04 - 1999/03 Kyoritsu Women's University
- 1996/04 - 1998/03 Japan Women's University
- 1994/04 - 1996/03 Asia University, Tokyo, Japan, Visiting Professor
- 1992/05 - 1993/07 Tokyo International University of America, Salem, Oregon, U.S. Full-time in EAP program
- 1991/04 - 1992/03 Yokohama Academy, Yokohama, Japan, full-time in college program
- 1990/03 - 1991/03 New Day School, Yamagata, Japan, full-time in jr. college, high school, etc.
- 1986/09 - 1989/03 Auburn University, Graduate Teaching Assistant (composition) in English Department
- 1982/12 - 1986/03 East Alabama Adult Day Treatment Center, Coordinator, Opelika, AL, U.S.
- 1980/08 - 1982/09 Vashti Educational Center, Thomasville, GA, U.S., Social Services Director