| Former (17) |
| Board of Directors | 1983 – 1990 |
| Board of Directors | 1983 – 1993 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 1993 – 1993 |
| Board of Directors | 1983 – 1999 |
| Board of Directors | 1983 – 1990 |
| Board of Directors | 1983 – 1992 |
| Deputy Chairman | 1993 – 1993 |
| Board of Directors | 1983 – 1993 |
| Chairman | 1999 – 1999 |
| Chairman | 1993 – 1993 |
| Board of Directors | 1983 – 1988 |
| Board of Directors | 1999 – 1999 |
| Chairman | 1999 – 2001 |
| Board of Directors | 1992 – 1992 |
| Board of Directors | 1983 – 1999 |
| Board of Directors | 1992 – 1993 |