| Current (2) |
| Chairman | 2022 |
| Board of Directors | 2026 |
| Former (18) |
| Board of Directors | 2007 – 2019 |
| Deputy Chairman | 2002 – 2005 |
| Chairman | 2002 – 2006 |
| Chairman | 2001 – 2002 |
| Board of Directors | 2006 – 2007 |
| Board of Directors | 2022 – 2023 |
| Chairman | 2006 – 2007 |
| Chairman | 2007 – 2016 |
| Board of Directors | 2025 – 2026 |
| Chairman | 2016 – 2017 |
| Board of Directors | 2022 – 2023 |
| Board of Directors | 2021 – 2021 |
| Deputy Chairman | 2002 – 2002 |
| Board of Directors | 2005 – 2006 |
| Board of Directors | 2019 – 2021 |
| Chairman | 2017 – 2018 |
| Chairman | 2018 – 2022 |
| Board of Directors | 2001 – 2002 |