| Board of Directors | 1989 – 1990 |
| Board of Directors | 1989 – 1995 |
| Board of Directors | 1996 – 2011 |
| Chairman | 2009 – 2011 |
| Board of Directors | 1989 – 1995 |
| Board of Directors | 1989 – 1991 |
| Board of Directors | 1989 – 1991 |
| Board of Directors | 1989 – 1991 |
| Board of Directors | 1989 – 1991 |
| Board of Directors | 1989 – 2011 |
| Board of Directors | 1989 – 2001 |
| Board of Directors | 1989 – 1991 |
| Chairman | 1989 – 1990 |
| Board of Directors | 1989 – 1996 |
| Board of Directors | 2001 – 2009 |
| Board of Directors | 1989 – 1990 |