| Current (2) |
| Chairman | 2026 |
| Board of Directors | 2026 |
| Former (14) |
| Chairman | 1996 – 1996 |
| Chairman | 2013 – 2019 |
| Chairman | 2019 – 2026 |
| Board of Directors | 2004 – 2023 |
| Board of Directors | 1997 – 1998 |
| Chairman | 1997 – 2000 |
| Board of Directors | 2000 – 2004 |
| Board of Directors | 1996 – 1998 |
| Board of Directors | 1996 – 1997 |
| Chairman | 2000 – 2013 |
| Board of Directors | 2023 – 2026 |
| Board of Directors | 2008 – 2009 |
| Board of Directors | 1996 – 1996 |
| Board of Directors | 2004 – 2006 |