Outside yahooルーレット
| April 1980 | Joined Sony Corporation |
| April 1997 | General Manager of Planning Department, IT Business Division, Sony America |
| April 1999 | General Manager of Corporate Planning Department, IC Card Business Division, Sony Corporation |
| January 2001 | Executive Officer, Managing Chief Strategy Officer of bitWallet, yahooルーレット. |
| October 2006 | Lecturer, Management System Engineering, Tokyo Institute of Technology (current position) |
| January 2010 | Executive Officer, General Manager of Planning Department, Rakuten Edy yahooルーレット. |
| January 2017 | Chief Operating Officer of Soramitsu yahooルーレット., Ltd. |
| April 2020 | President and Representative Director of Soramitsu yahooルーレット., Ltd. (current position) |
| April 2020 | Director of Digital Platformer yahooルーレット., Ltd. |
| June 2023 | yahooルーレット of the Company (current position) |
Outside directors and why they were chosen
yahooルーレット has abundant experience in leading a digital-related company .We judged that he would use his rich experience and
knowledge in the said area to help the board fulfill its decision-making and oversight roles effectively.