| Former (16) |
| Board of Directors | 2015 – 2022 |
| Chairman | 2004 – 2015 |
| Chairman | 2020 – 2023 |
| Board of Directors | 2004 – 2015 |
| Board of Directors | 2023 – 2023 |
| Deputy Chairman | 2004 – 2007 |
| Chairman | 1998 – 2004 |
| Chairman | 2023 – 2023 |
| Board of Directors | 1998 – 1998 |
| Board of Directors | 1998 – 2004 |
| Chairman | 2015 – 2020 |
| Board of Directors | 2023 – 2023 |
| Board of Directors | 2015 – 2023 |
| Board of Directors | 1998 – 2004 |
| Board of Directors | 2022 – 2022 |
| Board of Directors | 2015 – 2015 |