| Former (18) |
| Board of Directors | 2005 – 2011 |
| Board of Directors | 2001 – 2005 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 2012 – 2013 |
| Board of Directors | 2022 – 2024 |
| Board of Directors | 1998 – 2009 |
| Board of Directors | 2011 – 2012 |
| Board of Directors | 2011 – 2012 |
| Board of Directors | 2022 – 2024 |
| Board of Directors | 2002 – 2005 |
| Chairman | 1998 – 2012 |
| Board of Directors | 2022 – 2024 |
| Chairman | 2012 – 2024 |
| Board of Directors | 2022 – 2024 |
| Board of Directors | 2013 – 2013 |
| Board of Directors | 2005 – 2012 |
| Board of Directors | 2001 – 2002 |
| Board of Directors | 2013 – 2022 |