| Board of Directors | 1989 – 1993 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 1989 – 1991 |
| Deputy Chairman | 2000 – 2000 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 1989 – 1990 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 1989 – 1996 |
| Chairman | 1996 – 2000 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 1996 – 2000 |
| Board of Directors | 1996 – 1998 |
| Board of Directors | 1989 – 2000 |
| Board of Directors | 1996 – 1998 |
| Chairman | 1989 – 1995 |