| Board of Directors | 2012 – 2014 |
| Board of Directors | 1979 – 1996 |
| Board of Directors | 2012 – 2014 |
| Chairman | 1979 – 2005 |
| Board of Directors | 1979 – 2012 |
| Board of Directors | 1979 – 1996 |
| Board of Directors | 1979 – 1989 |
| Board of Directors | 2005 – 2012 |
| Board of Directors | 1979 – 1996 |
| Chairman | 1979 – 1995 |
| Chairman | 2005 – 2014 |
| Board of Directors | 1979 – 1996 |
| Board of Directors | 1979 – 1996 |
| Board of Directors | 2005 – 2014 |
| Board of Directors | 1979 – 1996 |
| Board of Directors | 1979 – 1996 |
| Chairman | 1996 – 1996 |