| Board of Directors | 2003 – 2005 |
| Deputy Chairman | 2006 – 2011 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2000 – 2004 |
| Board of Directors | 1981 – 1995 |
| Board of Directors | 2007 – 2011 |
| Board of Directors | 1981 – 1990 |
| Board of Directors | 1981 – 1995 |
| Board of Directors | 2002 – 2005 |
| Board of Directors | 2005 – 2011 |
| Board of Directors | 2005 – 2011 |
| Board of Directors | 2001 – 2007 |
| Board of Directors | 1981 – 2000 |
| Board of Directors | 1981 – 2000 |
| Board of Directors | 2000 – 2001 |
| Chairman | 2006 – 2011 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 1981 – 1994 |
| Chairman | 2000 – 2001 |
| Board of Directors | 2007 – 2011 |
| Board of Directors | 1981 – 1990 |
| Board of Directors | 2001 – 2002 |
| Board of Directors | 1981 – 1998 |
| Board of Directors | 1981 – 1990 |
| Board of Directors | 2000 – 2001 |