| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 2 Feb 2009 | Other | - |
| Andrew John Sturla | Director | 1 Jul 1996 | 30 Sept 1999 | British | 68 years |
| Anthony Roy Foster | Secretary | 20 Jan 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 1 Jul 1996 | 26 Jun 2020 | British | 78 years |
| Brian Richard Davies | Director | 1 Feb 1993 | 1 Jul 1994 | British | 71 years |
| Claire Puttergill | Secretary | 6 Apr 2001 | 17 Oct 2003 | British | - |
| Colin John Rogers | Director | 1 Jun 1999 | 7 Oct 1999 | British | 69 years |
| Colin John Rogers | Secretary | 13 Jan 1997 | 7 Oct 1999 | British | - |
| Derek Brian Hickling | Secretary | 1 Feb 1993 | 20 May 1994 | British | - |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 30 Sept 2005 | British | - |
| Frederick Ambrose Veevers | Director | 1 Feb 1993 | 1 Jul 1994 | British | 76 years |
| Gavin Vaughan Stewart | Director | 1 Jun 1999 | 20 Feb 2004 | British | 66 years |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| Jeffrey John Parton | Director | 1 Jul 1996 | 30 Apr 1999 | British | 71 years |
| John Richard Jacobs | Director | 1 Feb 1993 | 1 Jul 1996 | British | 81 years |
| Julius Gottlieb | Director | 27 Jan 2000 | 6 Apr 2001 | British | 57 years |
| Julius Gottlieb | Secretary | 12 Oct 1999 | 6 Apr 2001 | British | - |
| Mark Day | Secretary | 18 Mar 1996 | 1 Jul 1996 | British | - |
| Mark Jonathan Osmond | Director | 29 May 2001 | 18 Oct 2004 | British | 59 years |
| Mark Jonathan Osmond | Secretary | 29 May 2001 | 18 Oct 2004 | British | - |
| Nicholas Weait | Director | 1 Feb 1993 | 6 Oct 1995 | British | 77 years |
| Nicolas Guy Simpkin | Director | 15 Feb 2010 | 23 Sept 2015 | British | 56 years |
| Paul Sellars | Director | 1 Jul 1994 | 1 Jul 1996 | British | 71 years |
| Peter Anthony Owen | Director | 1 Feb 1993 | 1 Jul 1996 | British | 74 years |
| Philip James Curwen | Director | 5 Mar 2004 | 31 Jan 2006 | British | 53 years |
| Richard James Stearn | Director | 13 May 2014 | 13 May 2014 | British | 57 years |
| Richard James Stearn | Secretary | 2 Feb 2009 | 16 Dec 2011 | British | - |
| Richard Tamayo | Secretary | 20 May 1994 | 18 Mar 1996 | British | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |