- 2022/04 - 現在 Agriculture, Forestry and Fisheries Research Council
- 2021/04 - 2022/03 Institute of Fruit Tree and Tea Science, NARO Division of Fruit Tree Production Research Manager
- 2019/04 - 2021/03 農研機構果樹茶業研究部門 生産・流通研究領域 領域長
- 2016/04 - 2019/03 農研機構果樹茶業研究部門 生産・流通研究領域栽培生理ユニット ユニット長
- 2009/04 - 2016/03 National Agriculture and Food Research Organization
- 2007/04 - 2009/03 Ministry of Agriculture, Forestry and Fisheries
- 2001/04 - 2007/03 National Agriculture and Food Research Organization
- 2000/05 - 2001/05 英国Horticulture Research International 長期在外研究員(文部科学省)
- 1999/10 - 2001/03 Ministry of Agriculture, Forestry and Fisheries
- 1992/10 - 1999/09 Ministry of Agriculture, Forestry and Fisheries
- 1992/04 - 1992/09 Ministry of Agriculture, Forestry and Fisheries
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