| Board of Directors | 1987 – 1997 |
| Board of Directors | 1987 – 1993 |
| Chairman | 1987 – 1993 |
| Board of Directors | 2002 – 2007 |
| Board of Directors | 1987 – 1997 |
| Board of Directors | 2002 – 2007 |
| Board of Directors | 1987 – 1995 |
| Board of Directors | 1987 – 2002 |
| Chairman | 1987 – 2007 |
| Board of Directors | 1987 – 1995 |
| Board of Directors | 2002 – 2007 |
| Deputy Chairman | 1987 – 2007 |
| Board of Directors | 1987 – 2002 |
| Board of Directors | 1987 – 2002 |