| April | 1988 | Joined Fujita Corporation |
| October | 1999 | Joined the Company |
| April | 2012 | General Manager, Asset Management Services Section, Tokyo Main Office |
| April | 2014 | General Manager, Infrastructure Management Div., Tokyo Main Office |
| April | 2019 | Assistant Managing Principal, Kyushu Office |
| April | 2022 | Deputy Chief, Engineering Headquarters |
| March | 2025 | Full-time Auditor (present post) |