| Former (23) |
| Deputy | 1992 – 1995 |
| Deputy | 1992 – 1995 |
| Audit | 1998 – 1999 |
| Deputy | 1992 – 1995 |
| Audit | 1992 – 1998 |
| Management | 1992 – 1994 |
| Deputy | 1992 – 1995 |
| Management | 1992 – 1997 |
| Management | 1992 – 1995 |
| Management | 2001 – 2002 |
| Management | 2003 – 2008 |
| Deputy | 1992 – 1996 |
| Unofficial title | 2002 – 2003 |
| Management | 1997 – 2001 |
| Deputy | 1992 – 1996 |
| Deputy | 1992 – 1995 |
| Management | 1992 – 1995 |
| Unofficial title | 2008 – 2008 |
| Deputy | 1992 – 1994 |
| Deputy | 1992 – 1995 |
| Deputy | 1992 – 1996 |
| Founder | 1992 – 2008 |
| Deputy | 1992 – 1996 |