- 2009/04 - 現在 公益財団法人 東京生化学研究会 常務理事
- 2004/04 - 2009/03 Teikyo Heisei University Faculty of Pharmaceutical Sciences
- 1980 - 2004 Tokyo Medical and Dental University Medical Research Institute
- 1980 - 2004 Associate Professor, Medical Research Institute,
- 1985 - 1986 カナダ・ブリティッシュコロンビア大学医学部生化学 客員准教授
- 1985 - 1986 Visiting Associate Professor,
- 1973 - 1980 Tokyo Medical and Dental University Medical Research Institute
- 1973 - 1980 Research Associate, Medical Research Institute,
- 1977 - 1979 米国ミシガン大学医学部生化学 ポストドクトラルフェロー
- 1977 - 1979 Postdoctoral Fellow, Department of Biochemistry,
- 1972 - 1973 東北大学大学院薬学研究科特別研究生(財)薬理研究会 特別研究員
- 1972 - 1973 Research Scholarship Faculty of Pharmaceutical Science,
- Vancouver, British Columbia, Canada.
- University of British Columbia Medical School,
- Department of Biochemistry,
- Ann Arbor, Michigan, USA
- University of Michigan Medical School,
- Tokyo Medical and Dental University
- Tohoku University.