- 2018/04/01 - 現在 Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences Medical and Dental Sciences Public Health Oral Health Promotion Professor
- 2000/04/01 - 2018/03/31 Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences Medical and Dental Sciences Public Health Oral Health Promotion Professor
- 1996/08/01 - 2000/03/31 Tokyo Medical and Dental University Faculty of Dentistry
- 1996/01/01 - 1997/07/31 Tokyo Medical and Dental University Faculty of Dentistry
- 1979/04/01 - 1995/12/31 Tokyo Medical and Dental University Faculty of Dentistry
- 2003-present Director, Fresh Breath Clinic, Dental Hospital, TMDU.
- 2000-present Professor, Dept. of Oral Health Promotion, Graduate School of Medical and Dental Sciences, TMDU.
- 1998-2000 Junior Associate Professor, Division of International Health, TMDU.
- 1998 Visiting research fellow, NIDR/NIH Bethesda, USA. The University of Copenhagen, Denmark.
- 1996-1997 Junior Associate Professor, Dept. of Preventive Dentistry, TMDU.
- 1994-1995 Visiting research fellow, School of Dental Science, The University of Melbourne, Australia.
- 1979-1995 Assistant Professor, Dept. of Preventive Dentistry, TMDU
- 平成15年~ 東京医科歯科大学歯学部附属病院息さわやか外来 診療科長 未設定
- 平成12年~ 東京医科歯科大学大学院健康推進歯学分野 教授 未設定
- 平成10年 文部省在外研究員(米国:NIH、デンマーク:コペンハーゲン大学) 未設定
- 平成6~7年 オーストラリア メルボルン大学歯学部 客員研究員 未設定