| Deputy Chairman | 1990 – 1992 |
| Board of Directors | 1990 – 1990 |
| Board of Directors | 1996 – 2001 |
| Board of Directors | 1990 – 1992 |
| Board of Directors | 1990 – 1998 |
| Board of Directors | 1990 – 1990 |
| Board of Directors | 1990 – 1990 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 1990 – 2003 |
| Board of Directors | 1990 – 2001 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 1998 – 2002 |
| Board of Directors | 2001 – 2003 |
| Chairman | 1990 – 1996 |