| Board of Directors | 1906 – 1991 |
| Board of Directors | 1999 – 2006 |
| Board of Directors | 1906 – 1991 |
| Board of Directors | 1906 – 1989 |
| Board of Directors | 1996 – 2007 |
| Chairman | 1996 – 2007 |
| Board of Directors | 1906 – 1994 |
| Board of Directors | 1906 – 1990 |
| Board of Directors | 1906 – 1994 |
| Board of Directors | 1906 – 1994 |
| Board of Directors | 1906 – 2006 |
| Board of Directors | 1906 – 1990 |
| Board of Directors | 1906 – 1989 |
| Board of Directors | 1906 – 1994 |
| Deputy Chairman | 2006 – 2007 |
| Board of Directors | 1906 – 1994 |
| Board of Directors | 1906 – 1989 |
| Board of Directors | 1906 – 2006 |
| Board of Directors | 1906 – 1989 |
| Board of Directors | 1906 – 2006 |
| Board of Directors | 1906 – 1990 |
| Board of Directors | 1906 – 1991 |
| Board of Directors | 1996 – 1998 |
| Board of Directors | 1906 – 1994 |
| Board of Directors | 1906 – 1989 |
| Board of Directors | 1906 – 1993 |
| Board of Directors | 2006 – 2007 |