| April 1983 |
Joined former Showa Denko K.K. |
| September 2008 |
General Manager, Corporate Strategy Office |
| January 2011 |
Corporate Officer; General Manager, Corporate Strategy Office |
| January 2013 |
Corporate Officer; General Manager, Corporate Strategy Department |
| January 2015 |
Corporate Officer |
| January 2017 |
Corporate Officer; Chief Risk Management Officer (CRO) |
| March 2017 |
Board Director, Corporate Officer, Chief Risk Management Officer (CRO) |
| March 2020 |
Corporate Officer, Chief Risk Management Officer (CRO)
|
| January 2021 |
Managing Corporate Officer, Chief Risk Management Officer (CRO) (incumbent)
|
| January 2022 |
Managing Corporate Officer, Chief Risk Management Officer (CRO), Managing Corporate Officer; Chief Risk Management Officer (CRO), former Showa Denko Materials Co., Ltd. |
| January 2023 |
Managing Corporate Officer, Chief Risk Management Officer (CRO), Representative Director, Chief Risk Management Officer, Resonac Corporation (incumbent) |
| March 2023 |
Board Director, Chief Risk Management Officer (CRO), Representative Director, Chief Risk Management Officer, Resonac Corporation (incumbent) |