| Board of Directors | 2005 – 2012 |
| Board of Directors | 1995 – 1996 |
| Board of Directors | 1987 – 1994 |
| Board of Directors | 1987 – 1995 |
| Board of Directors | 1996 – 2009 |
| Board of Directors | 1987 – 1988 |
| Board of Directors | 2005 – 2012 |
| Board of Directors | 1987 – 1993 |
| Board of Directors | 2008 – 2012 |
| Board of Directors | 1987 – 1996 |
| Board of Directors | 1987 – 1989 |
| Board of Directors | 1996 – 2007 |
| Board of Directors | 1987 – 1989 |
| Board of Directors | 2007 – 2008 |
| Chairman | 2012 – 2012 |
| Board of Directors | 1987 – 2012 |
| Chairman | 1987 – 1988 |
| Board of Directors | 1987 – 1994 |
| Board of Directors | 1987 – 1988 |