| Board of Directors | 2008 – 2008 |
| Board of Directors | 2008 – 2008 |
| Board of Directors | 2004 – 2008 |
| Deputy Chairman | 2008 – 2012 |
| Deputy Chairman | 2012 – 2013 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1999 – 2000 |
| Board of Directors | 2008 – 2012 |
| Board of Directors | 1981 – 2003 |
| Board of Directors | 1981 – 2003 |
| Chairman | 2008 – 2013 |
| Board of Directors | 2008 – 2012 |
| Board of Directors | 2012 – 2013 |
| Board of Directors | 2008 – 2013 |
| Board of Directors | 1981 – 1994 |
| Board of Directors | 2008 – 2008 |