- 2008/04 - 現在 Doshisha University Graduate School of Health and Sports Science Professor
- 2008/04 - 現在 Doshisha University Faculty of Health & Sport Science Professor
- 2017/04 - 2018/03 University of Florida Department of Tourism, Recreation and Sport Management Visiting Scholar
- 2006/10 - 2008/03 Oita University Graduate School of Economics Professor
- 2006/10 - 2008/03 Oita University Faculty of Economics Professor
- 2006 - 2008 Professor, Faculty of Economics, Oita University
- 2008 - - Professor, Faculty of Health & Sport Science, Doshisha University
- 1998/04 - 2006/03 Oita University Graduate School of Economics Associate Professor
- 1998/04 - 2006/03 Oita University Faculty of Economics Associate Professor
- 1998 - 2006 Associate Professor, Faculty of Economics, Oita University
- 2003/09 - 2004/03 Simon Fraser University School of Resource and Environmental Management Visiting Scholar
- 2003 - 2004 Visiting Scholar, School of Resource and Environmental Management, Simon Fraser University
- 1996/04 - 1998/03 Oita University Faculty of Economics Assistant Professor
- 1996 - 1998 Assistant Professor, Faculty of Economics, Oita University
- 1995/04 - 1996/03 Chukyo University School of Fitness and Sport Sciences Research Associate
- 1995 - 1996 Research Associate, School of Fitness and Sport Sciences, Chukyo University