| Former (18) |
| Chairman | 1995 – 1997 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 2015 – 2017 |
| Deputy Chairman | 1995 – 1997 |
| Board of Directors | 1995 – 1999 |
| Board of Directors | 2007 – 2023 |
| Chairman | 1995 – 2014 |
| Chairman | 2014 – 2023 |
| Board of Directors | 1999 – 2005 |
| Board of Directors | 2009 – 2019 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 2009 – 2009 |
| Board of Directors | 2001 – 2007 |
| Board of Directors | 2005 – 2009 |
| Board of Directors | 2017 – 2021 |
| Board of Directors | 1995 – 2023 |
| Board of Directors | 2021 – 2023 |
| Board of Directors | 2019 – 2023 |