| Current (2) |
| Management | 2022 |
| Chief Executive Officer | 2018 |
| Former (22) |
| Management | 1991 – 1993 |
| Chief Executive Officer | 2003 – 2008 |
| Management | 2008 – 2009 |
| Audit | 1991 – 1991 |
| Management | 1995 – 1997 |
| Deputy | 1995 – 1997 |
| Management | 1993 – 1995 |
| Chief Executive Officer | 2008 – 2010 |
| Deputy | 1995 – 1997 |
| Deputy | 1995 – 1997 |
| Management | 1999 – 2006 |
| Deputy | 1995 – 1997 |
| Deputy | 1995 – 1997 |
| Audit | 1991 – 1992 |
| Management | 1991 – 1992 |
| Management | 1991 – 1992 |
| Deputy | 1995 – 1996 |
| Management | 2008 – 2018 |
| Management | 2012 – 2014 |
| Management | 2010 – 2011 |
| Management | 2020 – 2021 |
| Management | 1991 – 1991 |
