| Adrian Patrick White | Director | 30 Apr 2008 | 31 Aug 2011 | British | 59 years |
| Aidan Ward | Director | 2 Apr 2003 | 21 Feb 2006 | Irish | 63 years |
| Andrew Douglas Kaye | Director | 14 May 1993 | 24 Mar 2000 | British | 81 years |
| Brigid Theresa Whoriskey | Director | 21 Oct 1995 | 19 Apr 2000 | Irish | 64 years |
| Christopher Michael Adams | Director | 9 Apr 2015 | 4 Jan 2024 | British | 44 years |
| Christopher Sutton | Director | 1 Sept 2011 | 13 Feb 2015 | British | 68 years |
| Damian Charles Stansfield | Director | 9 Apr 2015 | 16 Sept 2015 | British | 60 years |
| David Dermot Hennessey | Secretary | 17 Aug 2016 | 8 Jan 2024 | - | - |
| David James Stanley Oldfield | Director | 19 Dec 2006 | 21 Nov 2012 | British | 64 years |
| David Keith Potts | Director | 19 Apr 2000 | 28 Sept 2007 | British | 75 years |
| Elizabeth Dickson Chadwick | Director | 4 Dec 1997 | 19 Sept 2002 | British | 77 years |
| Graham Richard William Gillespie | Director | 29 Apr 1994 | 31 Jul 1998 | British | 73 years |
| Hugh Christopher Ruddle | Director | 1 May 1992 | 7 Jan 1998 | British | 79 years |
| Ian Pickering | Director | 12 Aug 1998 | 2 Apr 2003 | British | 71 years |
| Janice Cadden | Director | 10 Dec 2018 | 27 Feb 2024 | British | 59 years |
| John Ian Barker | Director | 1 May 1992 | 4 Oct 1995 | British | 77 years |
| John Lewis Davies | Director | 21 Feb 2006 | 18 Dec 2006 | British | 77 years |
| John Richard Whittington | Director | 19 Apr 2000 | 31 Dec 2004 | British | 81 years |
| John Woolley | Director | 23 Jun 2005 | 21 Feb 2006 | British | 70 years |
| Juan Gomez-reino | Director | 13 Feb 2015 | 17 Aug 2016 | Spanish | 54 years |
| Mark Rupert Maxwell Fryer | Director | 2 Apr 2003 | 21 Feb 2006 | British | 59 years |
| Michael David Whytock | Director | 21 Nov 2012 | 29 Mar 2023 | British | 60 years |
| Michael Ignatius John Mcredmond | Director | 4 Dec 1997 | 21 Feb 2006 | Irish | 68 years |
| Michael Peter Kilbee | Director | 21 Feb 2006 | 30 Apr 2008 | British | 79 years |
| Michael Peter Kilbee | Secretary | 10 Mar 1999 | 31 Mar 2006 | British | - |
| Nagla Thabet | Director | 17 Aug 2016 | 10 Dec 2018 | British | 52 years |
| Paul Gittins | Secretary | 1 Sept 2010 | 17 Aug 2016 | - | - |
| Paul Gittins | Secretary | 19 Jan 2024 | 31 Jul 2024 | - | - |
| Philip John Stones | Director | 26 May 2000 | 21 Feb 2006 | British | 80 years |
| Robert Austin Connor | Secretary | 31 Mar 2006 | 1 Sept 2010 | British | - |
| Roderic Henry Turner | Director | 1 May 1992 | 29 Apr 1994 | British | 81 years |
| Ronald Maclachlan | Director | 1 May 1992 | 10 Mar 1999 | British | 78 years |
| Ronald Maclachlan | Secretary | 1 May 1992 | 10 Mar 1999 | British | - |
| Timothy Mark Blackwell | Director | 28 Sept 2007 | 21 Jun 2011 | British | 57 years |
| Trevor Sean Taylor | Director | 14 May 1993 | 21 Oct 1996 | British | 64 years |