| Board of Directors | 2001 – 2003 |
| Board of Directors | 1987 – 1992 |
| Board of Directors | 1987 – 2001 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 1987 – 2001 |
| Board of Directors | 1987 – 2005 |
| Board of Directors | 2001 – 2005 |
| Board of Directors | 2004 – 2005 |
| Chairman | 1987 – 1994 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 1992 – 1993 |
| Board of Directors | 2004 – 2005 |
| Board of Directors | 2001 – 2005 |
| Board of Directors | 1987 – 2000 |