| Unofficial title | 2002 – 2002 |
| Deputy | 2002 – 2002 |
| Unofficial title | 1989 – 1998 |
| Unofficial title | 1989 – 1994 |
| Founder | 1989 – 2002 |
| Unofficial title | 1998 – 1998 |
| Management | 1989 – 1995 |
| Unofficial title | 1989 – 1998 |
| Management | 1989 – 2002 |
| Unofficial title | 2002 – 2002 |
| Unofficial title | 1989 – 1998 |
| Unofficial title | 1989 – 1990 |
| Founder | 1989 – 2002 |
| Unofficial title | 1998 – 2001 |
| Deputy | 2002 – 2002 |
| Founder | 1989 – 2002 |
| Unofficial title | 1989 – 1998 |
| Deputy | 1998 – 2002 |
| Unofficial title | 1989 – 2002 |
| Unofficial title | 1989 – 1994 |
| Unofficial title | 1989 – 1990 |
| Unofficial title | 2002 – 2002 |
| Unofficial title | 1989 – 1994 |
| Unofficial title | 1998 – 2002 |
| Unofficial title | 2002 – 2002 |