| Deputy Chairman | 2004 – 2008 |
| Chairman | 2005 – 2006 |
| Board of Directors | 2005 – 2009 |
| Board of Directors | 1972 – 2005 |
| Chairman | 2009 – 2010 |
| Board of Directors | 1972 – 2005 |
| Chairman | 2006 – 2009 |
| Deputy Chairman | 2009 – 2010 |
| Board of Directors | 1972 – 2008 |
| Board of Directors | 1972 – 2003 |
| Board of Directors | 2009 – 2010 |
| Board of Directors | 2005 – 2008 |
| Board of Directors | 1972 – 2005 |
| Board of Directors | 2009 – 2009 |