| Company | Timeline | Status | |
| Mizuho Research & Technologies, Ltd Director • Chairman | 1 Apr 2021←4 Years→Current | Active | |
| Mizuho Research & Technologies, Ltd Director • Chairman | 1 Apr 2021←3 Years→31 Mar 2024 | Active | |
| Mizuho Bank, Ltd Director • Banker | 1 Apr 2016←2 Years→1 Apr 2018 | Active | |
