| Former (16) |
| Chairman | 2000 – 2000 |
| Chairman | 1994 – 1995 |
| Board of Directors | 1997 – 2000 |
| Board of Directors | 2003 – 2011 |
| Board of Directors | 2000 – 2003 |
| Board of Directors | 1994 – 1995 |
| Chairman | 2000 – 2008 |
| Chairman | 2008 – 2011 |
| Deputy Chairman | 2000 – 2003 |
| Board of Directors | 2000 – 2000 |
| Deputy Chairman | 2003 – 2011 |
| Board of Directors | 1994 – 2000 |
| Board of Directors | 1994 – 1995 |
| Deputy Chairman | 1997 – 1997 |
| Board of Directors | 1994 – 1995 |
| Deputy Chairman | 1994 – 1996 |