| Current (2) |
| Chairman | 2025 |
| Board of Directors | 2023 |
| Former (21) |
| Board of Directors | 1996 – 1998 |
| Board of Directors | 2003 – 2005 |
| Board of Directors | 2021 – 2022 |
| Board of Directors | 2008 – 2019 |
| Chairman | 2016 – 2019 |
| Board of Directors | 1999 – 2001 |
| Chairman | 2023 – 2024 |
| Chairman | 2006 – 2016 |
| Chairman | 2005 – 2006 |
| Chairman | 2019 – 2021 |
| Board of Directors | 1996 – 1999 |
| Chairman | 2003 – 2005 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 2001 – 2003 |
| Chairman | 2000 – 2001 |
| Board of Directors | 2022 – 2024 |
| Chairman | 2024 – 2025 |
| Board of Directors | 1996 – 2001 |
| Board of Directors | 2003 – 2005 |
| Chairman | 1996 – 2000 |
| Chairman | 2001 – 2003 |