| Alexander Forsyth Ritchie | Director | 18 May 1991 | 11 Sept 1998 | British | 85 years |
| Antony Millken West | Director | 21 Aug 1992 | 31 Jan 1998 | British | 91 years |
| Austin Reid | Director | 20 Oct 1995 | 31 Jan 1998 | British | 81 years |
| Barrie Edwin Smith | Director | 18 May 1991 | 14 Sept 1995 | British | 91 years |
| Brian Carney | Director | 31 Mar 2000 | 30 Dec 2002 | British | 70 years |
| Carl Thomas Senior | Director | 4 Jan 2012 | 19 Jun 2012 | British | 48 years |
| Christopher Raymond Kell | Director | 30 Dec 2002 | 26 Jul 2004 | British | 68 years |
| Crispin Robert John Irvin | Director | 22 Mar 2017 | 28 Jul 2022 | British | 48 years |
| David Harry Mead | Director | 31 Oct 2003 | 29 Jun 2007 | British | 65 years |
| David John Cavanna | Director | 24 Jul 2013 | 31 Dec 2015 | British | 59 years |
| David Ludlam | Director | 16 Mar 2000 | 31 Mar 2000 | British | 84 years |
| David William Gilman | Director | 31 Mar 2000 | 31 Oct 2003 | British | 74 years |
| Desmond Richard Turner | Director | 26 Jul 2004 | 20 Jun 2013 | British | 66 years |
| Douglas Alexander Mcgrath | Director | 20 Sept 1995 | 31 Jan 1998 | British | 82 years |
| Eric John Newman | Director | 9 Aug 1996 | 28 Sept 1998 | British | 91 years |
| Fiona Ann Barker | Director | 4 Jun 2010 | 21 Jun 2013 | British | 60 years |
| Frances Julie Niven | Secretary | 11 Jun 2004 | 25 Apr 2006 | British | - |
| Gareth Owen Conway | Director | 14 Mar 2005 | 6 Dec 2019 | British | 60 years |
| George William Bayer | Secretary | 11 Feb 2008 | 12 Sept 2008 | Other | - |
| Graham Edward Picken | Director | 31 Mar 2000 | 30 Dec 2002 | British | 77 years |
| Gregory Martin Lawn | Director | 15 Feb 2021 | 13 May 2022 | New Zealander | 48 years |
| Hannah Elizabeth Shepherd | Secretary | 5 Jan 2015 | 12 Jun 2015 | - | - |
| Hollie Rheanna Wood | Secretary | 1 Dec 2011 | 24 Jul 2013 | - | - |
| James Harry Milroy Russell | Director | 18 May 1991 | 1 Aug 1996 | British | 85 years |
| Jaya Subramaniyan | Director | 24 Jul 2013 | 1 Dec 2020 | Malaysian | 64 years |
| John Edward Mcgee | Director | 18 May 1991 | 31 Jan 1998 | British | 83 years |
| John Francis Davies | Director | 18 May 1991 | 30 Nov 1997 | British | 90 years |
| John Francis Hewins | Director | 18 May 1991 | 13 May 1994 | British | 90 years |
| John Hume Mckenzie | Secretary | 31 Mar 2000 | 1 Jul 2001 | British | - |
| John Richard Kent | Director | 6 Dec 2012 | 31 May 2017 | British | 56 years |
| Katherine Dean | Secretary | 24 Jul 2013 | 18 Jun 2014 | - | - |
| Kevin Alan Singleton | Director | 12 Feb 2007 | 30 Nov 2011 | British | 70 years |
| Mark Vivian Pearce | Secretary | 19 Dec 2002 | 11 Jun 2004 | British | - |
| Mary Bridget Kenny | Director | 29 Jun 2007 | 1 Jul 2009 | British | 61 years |
| Mausami Parekh | Secretary | 9 Jan 2018 | 9 Nov 2018 | - | - |
| Michael Connelly Anderson | Director | 16 Dec 2015 | 22 Mar 2017 | British | 64 years |
| Naomi Rogers | Secretary | 11 Jan 2019 | 21 Oct 2020 | - | - |
| Nigel John Lewis Wilkinson | Director | 1 Sept 2003 | 14 Mar 2005 | British | 68 years |
| Paul Jonathan Spencer | Director | 30 Jun 2009 | 4 Jun 2010 | British | 56 years |
| Pauline Louise Mcquillan | Secretary | 25 Apr 2006 | 11 Feb 2008 | British | - |
| Philip John Haywood | Director | 18 May 1991 | 26 Jul 1999 | British | 80 years |
| Philip John Haywood | Director | 15 Mar 2000 | 31 Mar 2000 | British | 80 years |
| Robert David Lane | Director | 30 Dec 2002 | 26 Jul 2004 | British | 67 years |
| Robert Hugh Musgrove | Secretary | 1 Jul 2001 | 19 Dec 2002 | Other | - |
| Robert Montgomery Walker | Director | 18 May 1991 | 31 Aug 1993 | British | 82 years |
| Robin Louis Henning Bencard | Director | 14 Mar 2005 | 1 Aug 2016 | British | 63 years |
| Roger Thomas Jump | Director | 1 Apr 1994 | 31 Jan 1998 | British | 83 years |
| Romana Lewis | Secretary | 12 Jun 2015 | 8 Dec 2017 | - | - |
| Roy Malcolm Wicks | Director | 6 Jul 1999 | 15 Mar 2000 | British | 79 years |
| Sarah Caroline Gott | Secretary | 1 Oct 2008 | 1 Dec 2011 | British | - |
| Simon Einar Long | Director | 15 Mar 2016 | 1 Oct 2020 | British | 52 years |
| Thomas Douglas Ian Hoskison | Director | 11 Sept 1998 | 31 Mar 2000 | British | 86 years |
| Thomas Douglas Ian Hoskison | Secretary | 18 May 1991 | 31 Mar 2000 | British | - |
| Tony Bhambhra | Secretary | 18 Jun 2014 | 5 Jan 2015 | - | - |
| William Frederick Devenish | Director | 31 Mar 2000 | 1 Sept 2003 | British | 76 years |