| 2001.4
- 2003.3 |
Postdoctoral Fellow of Japan Society for the Promotion of Science, Graduate School of Science, Kyoto University |
| 2003.4
- 2006.3 |
Postdoctoral Fellow of Japan Society for the Promotion of Science, Faculty of Mathematics, Kyushu University |
| 2006.4
- 2007.4 |
Researcher, Faculty of Mathematics, Kyushu University |
| 2007.5
- 2008.3 |
Associate Professor, Faculty of Science, Department of Mathematics, Kanazawa University |
| 2008.4
- 2011.3 |
Associate Professor, Institute of Science and Engineering, Faculty of Mathematics and Physics, Kanazawa University |
| 2011.4
- 2017.3 |
Associate Professor, Graduate School of Commerce and Management, Hitotsubashi University |
| 2017.4
- 2018.3 |
Professor, Graduate School of Commerce and Management, Hitotsubashi University |
| 2018.4
- |
Professor, Graduate School of Business Administration, Hitotsubashi University |
| 2018.4
- |
Professor, Faculty of Commerce and Management, Hitotsubashi University |