| 2026/4 - | Project Researcher, National Institute of Polar Research |
| 2021/4 - 2026/3 | Researcher, Department of Climate and Geochemistry Research, MRI |
| 2020/4 - 2021/3 | Director, Department of Atmosphere, Ocean, and Earth System Modeling Research, MRI |
| 2019/4 - 2020/3 | Director, Department of Applied Meteorology Research, MRI |
| 2007/4 - 2019/3 | Head of Lab., Climate Research Department, MRI |
| 1996/4 - 2007/3 | Senior Researcher, Climate Research Department, MRI |
| 1991/4 - 1996/3 | Researcher, Climate Research Department, MRI |
| 1987/4 - 1991/3 | Numerical Prediction Division, JMA |
| 1984/4 - 1987/3 | Maebashi Observatory, JMA |
Degree: