| Board of Directors | 1982 – 1996 |
| Board of Directors | 1982 – 1993 |
| Board of Directors | 1982 – 1999 |
| Board of Directors | 2004 – 2005 |
| Board of Directors | 2004 – 2005 |
| Chairman | 1982 – 2004 |
| Board of Directors | 1982 – 1993 |
| Chairman | 2004 – 2005 |
| Board of Directors | 1982 – 1996 |
| Board of Directors | 1996 – 2001 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 2005 – 2005 |
| Board of Directors | 1996 – 2001 |
| Chairman | 2005 – 2005 |
| Chairman | 1982 – 1993 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 2005 – 2005 |