| Alan William Webster Munro | Director | 1 Feb 1993 | 1 Jun 1998 | British | 79 years |
| Alexander Evelyn Giles Ward | Director | 1 Jun 1998 | 18 May 1999 | British | 65 years |
| Alistair Linn Webster | Director | 10 Mar 2005 | 30 Jun 2009 | British | 73 years |
| Alyson Elizabeth Mulholland | Secretary | 14 Nov 2017 | 18 Mar 2024 | - | - |
| Andrew John Kemp | Director | 13 Feb 2017 | 11 Jul 2018 | British | 56 years |
| Anthony Joseph John Bochenski | Director | 1 Feb 1993 | 30 Nov 2000 | British | 75 years |
| Carol Ann Ritchie | Director | 3 Jan 1997 | 30 Apr 2004 | British | 67 years |
| Christopher Alan Hastings | Director | 7 Aug 2009 | 28 Feb 2024 | British | 57 years |
| Colin Graham Dowsett | Director | 16 Nov 2012 | 22 Nov 2023 | British | 62 years |
| David Coxon | Director | 3 Mar 1999 | 7 Aug 2009 | British | 69 years |
| Edward James Morrison | Director | 10 Mar 2005 | 30 Dec 2008 | British | 74 years |
| John Alexander Mercer | Director | 1 Feb 1993 | 3 Jan 1997 | British | 87 years |
| John Graham Turner | Director | 18 May 1999 | 15 Sept 2016 | British | 66 years |
| John Michael Morrissey | Director | 30 Jun 2009 | 31 Aug 2010 | British | 65 years |
| John Sydney Brown | Director | 1 Feb 1993 | 28 May 1996 | British | 94 years |
| Judith Angela Holme | Director | 30 Jun 2009 | 18 Jan 2012 | British | 61 years |
| Kevin Charles Harris | Director | 16 Nov 2012 | 30 Sept 2015 | British | 59 years |
| Michael John David Griffiths | Director | 13 Jun 2011 | 16 Nov 2012 | British | 77 years |
| Michael Richard Perry | Director | 1 Feb 1993 | 30 Jul 1999 | British | 82 years |
| Michelle Antoinette Angela Johnson | Secretary | 25 Apr 2016 | 14 Nov 2017 | - | - |
| Paul Gittins | Secretary | 1 Jun 2000 | 25 Apr 2016 | British | - |
| Paul James Duffy | Director | 1 Feb 1993 | 26 Jun 1998 | British | 65 years |
| Philip James Han | Director | 1 Oct 2002 | 12 Nov 2003 | British | 64 years |
| Raymond Nixon | Secretary | 1 Feb 1993 | 31 May 2000 | British | - |
| Richard Owen Williams | Director | 6 Oct 2015 | 19 Sept 2016 | British | 67 years |
| Robert Brown Hare | Director | 20 Jan 2004 | 10 Mar 2005 | British | 66 years |
| Steven David Russell Chessman | Director | 27 Aug 2010 | 28 Feb 2011 | British | 63 years |
| Stuart Donald Cook | Director | 13 Feb 2017 | 5 Apr 2019 | British | 62 years |
| Trevor John Skinner | Director | 1 Feb 1993 | 30 Sept 2002 | British | 84 years |