| Board of Directors | 1996 – 2000 |
| Chairman | 2005 – 2010 |
| Board of Directors | 1996 – 1998 |
| Board of Directors | 1982 – 1996 |
| Board of Directors | 2005 – 2010 |
| Board of Directors | 2000 – 2005 |
| Board of Directors | 1982 – 2005 |
| Board of Directors | 2000 – 2005 |
| Board of Directors | 1996 – 2000 |
| Board of Directors | 1982 – 1994 |
| Board of Directors | 1996 – 1996 |
| Chairman | 2000 – 2005 |
| Board of Directors | 2005 – 2010 |
| Board of Directors | 1982 – 1994 |