| Current (3) |
| Board of Directors | 2022 |
| Chairman | 2001 |
| Board of Directors | 2024 |
| Former (10) |
| Board of Directors | 1992 – 1993 |
| Board of Directors | 2001 – 2002 |
| Board of Directors | 1992 – 2006 |
| Chairman | 1992 – 2001 |
| Board of Directors | 2015 – 2022 |
| Board of Directors | 2020 – 2023 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 2002 – 2008 |
| Board of Directors | 1992 – 1993 |
| Board of Directors | 2008 – 2020 |