- 2022/04 - 現在 Tokai University School of Biological Sciences Department of Marine Biology and Sciences professor
- 2021/04 - 2022/03 Local Independent Administrative Agency Hokkaido Research Organization, Fisheries Research Department Planning and Coordination Division Director
- 2018/04 - 2021/03 Hokkaido Research Organization, Central Fisheries Research Institute Resource management division Director
- 2016/04 - 2018/03 Hokkaido Research Organization, Wakkanai Fisheries Research Institute Research division Director
- 2013/04 - 2016/03 Local Independent Administrative Agency Hokkaido Research Organization Research management division Deputy director
- 2005/04 - 2013/03 Hokkaido Central Fisheries Experimental Station Resources management division Chief for forecast
- 2001/04 - 2005/03 Hokkaido Abashiri Fisheries Experimental Station Rsource management division Chief for forecast
- 1992/04 - 2001/03 Hokkaido Central Fisheries Experimental Station Fisheries management division researcher
- 1985/04 - 1992/03 Hokkaido Abashiri Fisheries Experimental Station Fisheries manegement division researcher
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