| Alfred Roy Summers | Director | 31 Dec 1992 | 12 Jun 2000 | British | 75 years |
| Christopher Laskey Fidler | Director | 31 Aug 2009 | 22 Jul 2016 | British | 71 years |
| Christopher Laskey Fidler | Secretary | 31 Dec 1992 | 31 Aug 2009 | British | - |
| Christopher Neil Ferguson | Director | 8 Jun 1991 | 14 Oct 1996 | British | 87 years |
| David Robson | Director | 29 Jan 1998 | 31 Jul 2003 | British | 81 years |
| Geoffrey Cox | Director | 13 Mar 1995 | 14 Oct 1996 | British | 76 years |
| Gerald Hugh Osborne | Director | 1 Dec 1991 | 1 Mar 2002 | British | 77 years |
| Helen Morrell | Secretary | 4 Dec 2015 | 22 Feb 2017 | - | - |
| James Brown | Director | 8 Jun 1991 | 10 Mar 1995 | British | 93 years |
| John Rodney Anderson | Director | 8 Jun 1991 | 6 Apr 1997 | British | 85 years |
| John Ward Leeper | Director | 1 Dec 1991 | 14 Oct 1996 | British | 78 years |
| Kim Andrea Hand | Secretary | 31 Aug 2009 | 4 Dec 2015 | British | - |
| Leonard Peter Whitting | Director | 8 Jun 1991 | 31 Jul 1992 | British | 98 years |
| Malcolm Kenyon Eckersall | Director | 3 Aug 1992 | 29 Jan 1998 | British | 81 years |
| Nicholas Morris | Director | 13 Mar 1995 | 14 Oct 1996 | British | 72 years |
| Peter James Holland | Director | 8 Jun 1991 | 31 Dec 1992 | British | 79 years |
| Peter James Holland | Director | 31 Jul 2003 | 31 Aug 2009 | British | 79 years |
| Peter James Holland | Secretary | 8 Jun 1991 | 31 Dec 1992 | British | - |