| Anthony Robert Hall | Director | 5 Oct 1998 | 9 Aug 1999 | British | 82 years |
| Anthony Robert Hall | Secretary | 7 Dec 1998 | 18 Oct 2000 | British | - |
| Charles James Bragg Flint | Director | 21 Sept 1998 | 7 Dec 1998 | British | 84 years |
| Charles James Bragg Flint | Director | 14 Jan 2004 | 15 May 2008 | British | 84 years |
| Colin George Scott Harris | Director | 8 Feb 1999 | 2 Dec 1999 | British | 82 years |
| David John Gilbert | Director | 3 Mar 2011 | 6 Dec 2012 | British | 60 years |
| Denis Anthony Heathcote | Director | 4 Nov 1998 | 14 Jan 2004 | British | 85 years |
| Douglas Smith | Director | 1 Jul 1999 | 13 Feb 2001 | British | 83 years |
| Ian Davis | Director | 1 Apr 2007 | 3 Mar 2011 | British | 56 years |
| Ian Edward Gates | Director | 3 Mar 2011 | 6 Dec 2012 | British | 61 years |
| Justin Brian Leavesley | Director | 19 Apr 2006 | 3 Mar 2011 | British | 52 years |
| Kenneth Stuart Chad | Director | 18 Oct 2001 | 1 Aug 2006 | British | 72 years |
| Kevin Peter Dady | Director | 3 Mar 2011 | 31 Dec 2013 | British | 62 years |
| Mark John Clark | Director | 8 Feb 1999 | 16 Sept 2004 | British | 75 years |
| Michael Farrell | Director | 5 Oct 1998 | 28 Mar 2007 | British | 93 years |
| Michael Stewart-moore Hannon | Director | 8 Feb 1999 | 2 Dec 1999 | British | 84 years |
| Michael Stuart Mander | Director | 8 Feb 1999 | 16 Jul 1999 | British | 91 years |
| Michele Indianna Shoebridge | Director | 17 Oct 2002 | 31 Dec 2003 | British | 72 years |
| Neal Clements | Director | 8 Feb 1999 | 22 May 2003 | British | 74 years |
| Nicholas Laurence Williams | Director | 9 Aug 1999 | 16 Sept 2004 | British | 64 years |
| Nicholas Laurence Williams | Secretary | 9 Aug 1999 | 16 Sept 2004 | British | - |
| Peter David Wright | Director | 4 Nov 1998 | 21 May 1999 | British | 82 years |
| Peter Derek Baker | Director | 8 Feb 1999 | 5 Feb 2000 | British | 77 years |
| Robin David Errington | Director | 19 Jun 2003 | 3 Mar 2011 | English | 66 years |
| Robin David Errington | Secretary | 16 Sept 2004 | 15 May 2008 | English | - |
| Sandra Elizabeth Jones | Secretary | 21 Sept 1998 | 7 Dec 1998 | British | - |
| Stephen Martyn Gray | Director | 14 Sept 2000 | 30 Sept 2003 | British | 71 years |
| Stephen Sharp | Director | 31 Dec 2013 | 5 Mar 2018 | British | 61 years |
| Verna Lorraine Taylor | Director | 8 Feb 1999 | 19 Jun 2003 | British | 79 years |
| Victoria Wall | Secretary | 15 May 2008 | 3 Mar 2011 | British | - |
| William Downie | Director | 23 Mar 1999 | 10 Mar 2000 | British | 68 years |