| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexander Nigel Mcarthur | Secretary | 13 Jun 1995 | 16 Feb 1996 | British | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 2 Feb 2009 | Other | - |
| Andrew Christopher Lewis | Director | 24 Apr 1998 | 11 Feb 2009 | British | 60 years |
| Anthony Peter Moul | Secretary | 1 Jul 1992 | 13 Jun 1995 | British | - |
| Anthony Roy Foster | Secretary | 18 Jan 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 1 Feb 1992 | 26 Jun 2020 | British | 78 years |
| Brian Richard Davies | Secretary | 1 Feb 1992 | 1 Jul 1992 | British | - |
| Claire Puttergill | Secretary | 16 Sept 1996 | 17 Oct 2003 | British | - |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 30 Sept 2005 | British | - |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| James David Farrer | Director | 1 Feb 1992 | 1 Jul 1992 | British | 95 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| Jeffery Thomas Skinner | Director | 8 Nov 1996 | 8 May 2003 | British | 68 years |
| Nicolas Guy Simpkin | Director | 5 Nov 2009 | 23 Sept 2015 | British | 56 years |
| Paul Graham Read | Director | 1 Jul 1992 | 31 Oct 1996 | British | 78 years |
| Paul Mario Bak | Director | 8 Nov 1996 | 24 Apr 1998 | British | 70 years |
| Richard James Stearn | Secretary | 2 Feb 2009 | 16 Dec 2011 | British | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Roger Gordon Lee | Secretary | 16 Feb 1996 | 30 Aug 1996 | British | - |
| Roger St John Hulton Lewis | Director | 1 Jul 1992 | 31 Jul 2007 | British | 78 years |
| Wendy Joan Pritchard | Secretary | 24 Dec 2003 | 1 Feb 2004 | British | - |
