| Apr. 1990 | Joined Kokusai Denshin Denwa Co., Ltd. (now KDDI Corporation) |
| July 1999 | Director and General Manager of Corporate Management Planning Office of Prism communications INC (now KDDI Korea Corporation) |
| Oct. 2012 | General Manager of Sales Planning Department of Okinawa Cellular Telephone Company |
| Apr. 2014 | General Manager of Consumer Business Department of Okinawa Cellular Telephone Company |
| Aug. 2016 | Administrative Officer and General Manager of Sales Planning Department of Okinawa Cellular Telephone Company Representative Director and President of UQ mobile Okinawa Corporation (now Okinawa Cellular Telephone Company) |
| Apr. 2018 | Executive Officer and General Manager of Sales Planning Department of Okinawa Cellular Telephone Company |
| Oct. 2019 | Executive Officer and Deputy General Manager of Sales Division of Okinawa Cellular Telephone Company |
| Apr. 2023 | Executive Officer and General Manager of Solution Sales Division of Okinawa Cellular Telephone Company |
| Apr. 2024 | Executive Officer and General Manager of Sales Management Division and Consumer Sales Division of Okinawa Cellular Telephone Company |
| June 2024 | Executive Officer, Director of Okinawa Cellular Telephone Company (Current position) |