| Current (3) |
| Chairman | 2025 |
| Board of Directors | 2025 |
| Deputy Chairman | 2025 |
| Former (22) |
| Board of Directors | 2019 – 2022 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 1998 – 1998 |
| Board of Directors | 2015 – 2023 |
| Board of Directors | 1966 – 1990 |
| Board of Directors | 1966 – 1992 |
| Board of Directors | 2018 – 2019 |
| Chairman | 2008 – 2014 |
| Chairman | 2022 – 2025 |
| Board of Directors | 2000 – 2003 |
| Chairman | 2014 – 2022 |
| Board of Directors | 1966 – 1998 |
| Deputy Chairman | 2008 – 2009 |
| Board of Directors | 2002 – 2008 |
| Chairman | 2006 – 2008 |
| Deputy Chairman | 2009 – 2014 |
| Board of Directors | 1966 – 2000 |
| Board of Directors | 1966 – 2000 |
| Board of Directors | 2022 – 2025 |
| Board of Directors | 2008 – 2013 |
| Board of Directors | 1966 – 1998 |