| Andrew Lee Milner | Director | 19 Feb 2016 | 12 Dec 2019 | British | 57 years |
| Ann Elizabeth Mantz | Secretary | 30 Jul 1999 | 4 Feb 2000 | British | - |
| Brian Andrew Linden | Director | 12 Mar 1997 | 22 Apr 1997 | British | 70 years |
| Brian Lynn Staples | Director | 19 Jul 1999 | 28 Feb 2003 | British | 81 years |
| Carol Hui | Secretary | 18 Sept 2000 | 30 Nov 2005 | British | - |
| Charles Michael Mogg | Director | 28 Feb 2003 | 3 Sept 2003 | British | 81 years |
| Christopher Charles Webster | Director | 12 May 2008 | 11 Apr 2010 | British | 68 years |
| Christopher Victor Fenton | Director | 21 Jul 2006 | 12 May 2008 | British | 64 years |
| David John Miller | Director | 19 Jul 1999 | 10 Sept 2002 | British | 64 years |
| Gillian Duggan | Director | 18 Nov 2008 | 30 Apr 2016 | British | 59 years |
| Gordon Henry Riddle | Secretary | 12 Mar 1997 | 23 Sept 1997 | British | - |
| Graham Carvell Love | Director | 12 Mar 1997 | 28 Jul 2000 | British | 72 years |
| Guy Richard Wakeley | Director | 12 May 2008 | 26 Sept 2008 | British | 56 years |
| Howard Raymond Gatehouse | Director | 23 Sept 1997 | 31 Dec 1999 | British | 68 years |
| Howard Raymond Gatehouse | Secretary | 23 Sept 1997 | 30 Jul 1999 | British | - |
| John Richard Tetlow | Secretary | 9 Feb 2000 | 18 Sept 2000 | British | - |
| John Roland Lyndhurst Braddell | Director | 22 Apr 1997 | 27 Jul 2001 | British | 77 years |
| Jose Leo | Director | 3 Sept 2003 | 22 Sept 2006 | Spanish | 66 years |
| Kenneth George Harvey | Director | 22 Apr 1997 | 23 Sept 1997 | British | 86 years |
| Melvyn Ewell | Director | 20 Dec 2001 | 31 Mar 2016 | British | 68 years |
| Michael Arthur Kayser | Director | 11 Sept 2002 | 15 Oct 2002 | British | 71 years |
| Michael Pilbeam | Director | 19 Jul 1999 | 28 Feb 2001 | British | 77 years |
| Michael Raymond Mainelli | Director | 22 Apr 1997 | 30 Jun 1998 | Irish | 68 years |
| Richard William Entwistle | Director | 28 Feb 2003 | 30 Jun 2005 | British | 73 years |
| Robert Wilfrid Emsley | Director | 8 Apr 1998 | 22 Oct 1999 | British | 73 years |
| Robert Wyatt Ramsdale | Director | 22 Apr 1997 | 31 Dec 1999 | British | 68 years |
| Serena Mary Ann Michie | Director | 12 Mar 1997 | 12 Mar 1997 | British | 58 years |
| Serena Mary Ann Michie | Secretary | 12 Mar 1997 | 12 Mar 1997 | British | - |
| Simon John Hall | Director | 3 Sept 2003 | 30 Sept 2005 | British | 71 years |
| Stevan Day | Director | 22 Apr 1997 | 31 Dec 1999 | British | 80 years |