- 2019/04 - 現在 Jumonji University Faculty of Human Life Professor
- 2011/04 - 2019/03 Gunma University Graduate School of Health Science
- 1997/04 - 2014/03 The University of Tokyo Graduate School of Medicine
- 2003/04 - 2011/03 Gunma University Graduate School of Medicine
- 1997/04 - 2011/03 Gunma University Faculty of Medicine
- 2003 - 2011 Professor, Graduate School of Medicine, Gunma University
- 1997 - 2011 Professor, Faculty of Medicine, Gunma University
- 2011 - - Professor, Graduate School of Health Sciences, Gunma University
- 2004/04 - 2007/03 Okinawa Prefectural College of Nursing
- 2006 - 2007 国立台北教育大学大学院 生命教育・健康促進研究科 非常勤講師
- 2006 - 2007 Lecturer, Graduate School of Life Education and Health Promotion, National Taipei University of Education
- 2004 - 2007 Lecturer, Graduate School of Health Nursing, Okinawa Prefectural College of Nursing
- 1997/05 - 2000/03 Oita Medical University
- 1997 - 2000 Lecturer, Faculty of Medicine, Oita Medical University
- 1984/09 - 1997/03 The University of Tokyo Faculty of Medicine
- 1984 - 1997 Research Associate, Faculty of Medicine, The University of Tokyo
- 1997 - - Lecturer, Graduate School of Medicine, The University of Tokyo
- 1992/09 - 1993/06 Harvard University
- 1992 - 1993 Research Fellow, Harvard School of Public Health