| Current (3) |
| Board of Directors | 2022 |
| Board of Directors | 2024 |
| Chairman | 2012 |
| Former (14) |
| Chairman | 1997 – 1998 |
| Board of Directors | 2000 – 2004 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1999 – 2004 |
| Board of Directors | 2004 – 2012 |
| Chairman | 1997 – 1999 |
| Board of Directors | 2012 – 2024 |
| Board of Directors | 2021 – 2022 |
| Board of Directors | 2004 – 2021 |
| Board of Directors | 1998 – 2004 |
| Board of Directors | 1997 – 2000 |
| Chairman | 1999 – 2003 |
| Board of Directors | 1997 – 1998 |
| Board of Directors | 2003 – 2004 |