| Current (2) |
| Board of Directors | 2023 |
| Chairman | 2023 |
| Former (18) |
| Chairman | 2003 – 2018 |
| Board of Directors | 1996 – 1997 |
| Chairman | 2018 – 2018 |
| Board of Directors | 1998 – 2000 |
| Chairman | 1998 – 2000 |
| Board of Directors | 1997 – 1998 |
| Chairman | 2000 – 2003 |
| Board of Directors | 2003 – 2007 |
| Chairman | 2021 – 2023 |
| Board of Directors | 2007 – 2017 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 2000 – 2003 |
| Board of Directors | 1996 – 1997 |
| Chairman | 2018 – 2021 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 2017 – 2018 |
| Board of Directors | 2021 – 2025 |