| Director Tetsu Fukuoka |
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| 1993 | Apr. | Joined Sumitomo Corporation |
| 2016 | Apr. | Manager of General Mobile Business, Sumitomo Corporation |
| Jun. | Director, T-Gaia Corporation | |
| Jun. | Auditor, National Association of Mobile Phone Distributors (current) | |
| Oct. | Manager, Sumitomo Corporation Mobile Solution Business Department No.1 (current) | |
