| Board of Directors | 1986 – 1993 |
| Chairman | 2010 – 2011 |
| Board of Directors | 1999 – 1999 |
| Board of Directors | 2001 – 2010 |
| Board of Directors | 1986 – 1997 |
| Chairman | 2001 – 2010 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 1986 – 1999 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 1986 – 1999 |
| Board of Directors | 2006 – 2010 |
| Chairman | 1999 – 2001 |
| Board of Directors | 2001 – 2010 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 2002 – 2010 |
| Board of Directors | 2010 – 2011 |
| Deputy Chairman | 2010 – 2011 |
| Board of Directors | 1986 – 1999 |