| April 1990 | Joined IDO Corporation (currently KDDI Corporation) |
| April 2009 | General Manager of Consumer Sales Planning Department of Consumer Sales Planning Division of KDDI Corporation |
| Apr. 2013 | Deputy General Manager of Consumer Sales Division of Consumer Business Sector of KDDI Corporation |
| Apr. 2016 | Administrative Officer and General Manager of Customer Service Division of Products & Customer Service Sector of KDDI Corporation |
| Oct. 2018 | Administrative Officer of KDDI Corporation President, Representative Director of Chubu Telecommunications Co., Inc. |
| Apr. 2019 | Executive Officer of KDDI Corporation President, Representative Director of Chubu Telecommunications Co., Inc. |
| Apr. 2023 | Special Advisor to Okinawa Cellular Telephone Company |
| June 2023 | Executive Officer and Vice President of Okinawa Cellular Telephone Company |
| June 2024 | President ,Representative Director of Okinawa Cellular Telephone Company (Current position) |