| Current (2) |
| Chief Executive Officer | 2024 |
| Management | 2024 |
| Former (12) |
| Chief Executive Officer | 2002 – 2004 |
| Chief Executive Officer | 2020 – 2023 |
| Chief Executive Officer | 2023 – 2024 |
| Management | 1997 – 1998 |
| Chief Executive Officer | 2013 – 2013 |
| Management | 2010 – 2010 |
| Chief Executive Officer | 1998 – 2002 |
| Audit | 2000 – 2001 |
| Management | 2022 – 2024 |
| Chief Executive Officer | 2013 – 2013 |
| Chief Executive Officer | 2019 – 2020 |
| Chief Executive Officer | 2006 – 2010 |