| Former (15) |
| Chairman | 2010 – 2010 |
| Deputy Chairman | 2024 – 2025 |
| Board of Directors | 1999 – 1999 |
| Deputy Chairman | 2022 – 2023 |
| Chairman | 2009 – 2010 |
| Board of Directors | 2007 – 2011 |
| Chairman | 2003 – 2009 |
| Chairman | 2010 – 2023 |
| Board of Directors | 2003 – 2005 |
| Chairman | 2023 – 2024 |
| Board of Directors | 2023 – 2025 |
| Board of Directors | 2012 – 2017 |
| Board of Directors | 1999 – 2003 |
| Chairman | 2024 – 2025 |
| Chairman | 1999 – 2003 |