- 2014/04 - 現在 日本食品分析センター 学術顧問
- 2014/04 - 現在 Hokkaido University
- 2013/04 - 2021/03 The Open University of Japan
- 2006 - 2014 Hokkaido University Faculty of Fisheries Sciences
- 2003 - 2006 Cabinet Office
- 2003 - 2006 Deputy Director-Genaral,Food Safety Commission Secretariat, Cabinet Office, Government of Japan
- 2006 - - Professor,Research Faculty of Fisheries Sciences, Hokkaido University
- 1998 - 2004 Ochanomizu University
- 1998 - 2004 Professor,Graduate School of Humanities and Sciences, Ochanomizu University
- 2001 - 2003 独立行政法人食品総合研究所 食品衛生対策チーム長
- 2001 - 2003 Team Leader, Food Hygiene Team,National Food Research Institute
- 1996 - 2001 Ministry of Agriculture, Forestry and Fisheries
- 1996 - 2001 Associate Director,National Food Research Institute
- 1990 - 1996 Ministry of Agriculture, Forestry and Fisheries
- 1990 - 1996 Head,National Food Research Institute
- 1975 - 1990 北九州市環境衛生研究所 研究員
- 1975 - 1990 Researcher,Kitakyuushu Municipal Institute of Environmental Sciences
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ATP・迅速検査研究会
, JAPANESE SOCIETY FOR FOOD SCIENCE AND TECHNOLOGY
, 日本食品微生物学会
, 日本食品化学学会
, 日本食品衛生学会
, The Japanese Society of Food Microbiology
, The Japanese Society of Food Chemistry
, The Food Hygienic Society of Japan
, International Association for Food Protection