| Company | Timeline | Status | |
| Daewoo Engineering & Construction Co., Ltd Director • Audit Committee Member | 24 Jan 2001←24 Years→Current | Active | |
| Woori Bank Director • Director | 22 Feb 1995←30 Years→Current | Active | |
| Woori Bank Director • Director | 22 Feb 1995←29 Years→31 Dec 2024 | Active | |
