| Apr. 1984 | Joined Kokusai Denshin Denwa Co., Ltd. (now KDDI Corporation) |
| Apr. 2014 | Head of Network Operation Center, Operation Division of Technology Sector of KDDI Corporation |
| Apr. 2016 | Deputy General Manager of Operation Division of Technology Sector of KDDI Corporation |
| Apr. 2018 | Administrative Officer in charge of Global Consumer Business Sector of KDDI Corporation Executive Advisor to CEO of KDDI Summit Global Myanmar Co., Ltd. |
| Apr. 2019 | Administrative Officer in charge of Global Consumer Business Sector of KDDI Corporation CTO of KDDI Summit Global Myanmar Co., Ltd. |
| Oct. 2021 | Administrative Officer and Deputy General Manager of Network Technical Development Division of Technology Sector of KDDI Corporation |
| Apr. 2023 | Managing Executive Officer and Deputy General Manager of Engineering Division of Okinawa Cellular Telephone Company Senior Managing Executive Officer of OTNet Company, Incorporated |
| June 2023 | Managing Executive Officer and Deputy General Manager of Engineering Division of Okinawa Cellular Telephone Company Senior Managing Director of OTNet Company, Incorporated |
| June 2024 | Senior Managing Executive Officer, Representative Director of Okinawa Cellular Telephone Company President , Representative Director of OTNet Company, Incorporated (Current position) |