| Company | Timeline | Status | |
| The Japan Society Director • N/a | 15 Jun 2011←6 Years→12 Jul 2017 | Active | |
| Hattori Trust Company Limited Director • Media Consultant | 3 Dec 2005←19 Years→Current | Active | |
| Young Persons Concert Foundation(The) Director • Pr Consultant | 11 Mar 1999←24 Years→9 Jan 2024 | Dissolved | |
