| Board of Directors | 2005 – 2006 |
| Chairman | 2003 – 2005 |
| Board of Directors | 1998 – 2003 |
| Board of Directors | 1997 – 1998 |
| Deputy Chairman | 2002 – 2003 |
| Deputy Chairman | 1997 – 2003 |
| Board of Directors | 1998 – 2001 |
| Chairman | 2002 – 2003 |
| Board of Directors | 2002 – 2003 |
| Deputy Chairman | 2003 – 2005 |
| Board of Directors | 1981 – 1997 |
| Board of Directors | 1981 – 1997 |
| Board of Directors | 2003 – 2005 |
| Chairman | 2005 – 2006 |
| Board of Directors | 1981 – 1997 |
| Board of Directors | 2005 – 2006 |
| Board of Directors | 1997 – 2003 |