| April 1982 |
Joined former Showa Denko K.K. |
| January 2013 |
Corporate Officer, General Manager, Electronic Chemicals Division |
| January 2016 |
Managing Corporate Officer, Technology Officer (CTO) |
| March 2016 |
Board Director, Managing Corporate Officer, Chief Technology Officer (CTO) |
| January 2017 |
Representative Director, President and Chief Executive Officer (CEO) |
| January 2022 |
Representative Director, Chairman of the Board |
| January 2023 |
Representative Director, Chairman of the Board, Resonac Holdings Corporation |