| Alan Victor Towers | Director | 25 Jun 1998 | 11 Dec 1998 | British | 84 years |
| Alastair Russell | Director | 1 May 2009 | 1 Feb 2010 | British | 59 years |
| Andrew James Whittaker | Secretary | 25 Jun 1998 | 2 Nov 1998 | British | - |
| Angelo Fitzhenry | Director | 1 Jan 2014 | 31 Jul 2015 | British | 65 years |
| Basil Charles James Cooper | Director | 1 Jan 1999 | 31 Dec 2005 | British | 102 years |
| Basil Scarsella | Director | 19 Jan 2011 | 31 Mar 2012 | Australian | 71 years |
| Christopher John Baker | Secretary | 19 Jan 2011 | 23 Nov 2017 | British | - |
| Christopher John Saint | Director | 26 Jul 1998 | 1 Jul 2000 | British | 82 years |
| Christopher Thomas Hardcastle Degg | Director | 1 Feb 2010 | 31 Mar 2021 | British | 73 years |
| Elizabeth Mary Anderson | Director | 1 Jan 2014 | 31 Dec 2023 | British | 78 years |
| Gerald Langdon Wingrove | Director | 12 Dec 1998 | 30 Sept 2002 | British | 72 years |
| Gerald Langdon Wingrove | Director | 30 Sept 2002 | 31 Dec 2003 | British | 72 years |
| Gillian Lesley Golding | Director | 1 Jul 2000 | 31 Dec 2013 | British | 78 years |
| Helen Shaw | Director | 1 Aug 2003 | 18 Jun 2007 | United Kingdom | 70 years |
| Henry Arthur Golton | Director | 1 Jan 2006 | 31 Dec 2011 | British | 77 years |
| Henry Arthur Golton | Director | 1 Jan 2014 | 31 Dec 2017 | British | 77 years |
| Humphrey Alan Edward Cadoux Hudson | Director | 16 Oct 2003 | 31 Dec 2006 | British | 66 years |
| Ian Thomas Smyth | Director | 1 Mar 2018 | 30 Jun 2022 | British | 56 years |
| Jack Charles Andrews | Director | 26 Jul 1998 | 31 Dec 2006 | British | 95 years |
| Jack Charles Andrews | Director | 1 Jan 2008 | 31 Dec 2013 | British | 95 years |
| Joe Souto | Secretary | 17 Sept 2009 | 19 Jan 2011 | - | - |
| John Alfred Merritt | Director | 1 Jan 2012 | 31 Dec 2013 | British | 84 years |
| John Alfred Merritt | Director | 26 Jul 1998 | 31 Dec 2007 | British | 84 years |
| John Barry Butler | Director | 26 Jul 1998 | 31 Dec 2005 | British | 88 years |
| Keith David Hutton | Director | 19 Jan 2011 | 10 Jan 2016 | British | 58 years |
| Leslie John Beadle | Director | 26 Jul 1998 | 1 Jan 1999 | British | 77 years |
| Michael James Pavia | Director | 1 Apr 2003 | 31 Jul 2003 | British | 80 years |
| Michael John Hirst | Director | 1 Apr 2012 | 17 Jan 2014 | British | 56 years |
| Neville John Cundill | Director | 1 Jan 2006 | 31 Dec 2013 | British | 86 years |
| Norman Langford Farrier | Director | 1 Jan 2006 | 21 Oct 2006 | British | 91 years |
| Paul Andrew Cuttill | Director | 26 Jul 1998 | 16 Oct 2003 | British | 67 years |
| Paul Jonathan Delamare | Director | 1 Feb 2010 | 31 Dec 2010 | British | 66 years |
| Peter Harry Reuben Musk | Director | 26 Jul 1998 | 1 Jan 1999 | British | 87 years |
| Peter John Privett | Director | 1 Jan 2006 | 31 Dec 2015 | British | 79 years |
| Peter Stephen Hofman | Director | 21 Apr 2007 | 31 Dec 2010 | British | 70 years |
| Richard Gordon East | Director | 1 Jan 2020 | 31 Dec 2023 | British | 78 years |
| Richard John Roberts | Director | 1 Aug 2006 | 30 Apr 2009 | British | 62 years |
| Richard John Roberts | Director | 19 Jan 2011 | 28 Feb 2018 | British | 62 years |
| Robert Clive Sansom | Director | 1 May 2008 | 1 Feb 2010 | British | 70 years |
| Robert Ian Higson | Director | 18 Feb 2003 | 1 Apr 2003 | British | 74 years |
| Robert Ian Higson | Director | 1 Apr 2003 | 23 Jun 2003 | British | 74 years |
| Robert Ian Higson | Secretary | 2 Nov 1998 | 17 Sept 2009 | British | - |
| Robert John Jackson | Director | 1 Jan 2014 | 31 Dec 2019 | British | 76 years |
| Roger Geoffrey Barnard | Director | 1 Jan 1999 | 14 Oct 2019 | British | 83 years |
| Sheila Joan Perrin | Director | 1 Jan 2006 | 31 Dec 2007 | British | 80 years |
| Stephen John Bott | Director | 26 Jul 1998 | 31 Dec 2007 | British | 75 years |
| Terrance John Peel | Director | 1 Jan 2016 | 31 Dec 2023 | British | 74 years |
| Timothy Gerald Izzard | Director | 1 Jan 2006 | 31 Dec 2017 | British | 67 years |
| Timothy John Boylin | Director | 18 Jun 2007 | 31 Dec 2010 | British | 63 years |
| William Nathan Blackburn | Secretary | 23 Nov 2017 | 30 Apr 2018 | - | - |