| Former (22) |
| Deputy Chairman | 1998 – 1998 |
| Board of Directors | 2002 – 2006 |
| Chairman | 1998 – 1998 |
| Chairman | 1999 – 2001 |
| Chairman | 2001 – 2006 |
| Deputy Chairman | 2002 – 2007 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 1998 – 2002 |
| Board of Directors | 1998 – 1998 |
| Board of Directors | 1999 – 2002 |
| Board of Directors | 2002 – 2006 |
| Board of Directors | 2006 – 2006 |
| Board of Directors | 1998 – 1998 |
| Chairman | 1998 – 1999 |
| Board of Directors | 2006 – 2011 |
| Chairman | 2007 – 2008 |
| Chairman | 2001 – 2001 |
| Chairman | 2006 – 2007 |
| Board of Directors | 2001 – 2002 |
| Deputy Chairman | 1998 – 1999 |
| Chairman | 2008 – 2011 |
| Chairman | 2011 – 2011 |