| Board of Directors | 2006 – 2012 |
| Chairman | 2011 – 2012 |
| Chairman | 1992 – 1996 |
| Deputy Chairman | 2003 – 2006 |
| Chairman | 1996 – 1997 |
| Chairman | 1998 – 1998 |
| Board of Directors | 2002 – 2006 |
| Chairman | 1998 – 1999 |
| Board of Directors | 2006 – 2010 |
| Board of Directors | 2001 – 2002 |
| Chairman | 2003 – 2006 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1992 – 1997 |
| Board of Directors | 2006 – 2006 |
| Chairman | 2008 – 2011 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 1992 – 1998 |