| Alan Wallace Mckean | Secretary | 23 Dec 2000 | 20 Mar 2008 | British | - |
| Albert Morris | Director | 8 Oct 1992 | 31 Oct 1994 | British | 91 years |
| Andrew John Norley | Director | 8 Mar 2000 | 11 Oct 2002 | British | 64 years |
| Angela Claire Mcentee | Secretary | 20 Mar 2008 | 19 Jun 2009 | Other | - |
| Barry Geoffrey Young | Director | 7 Oct 1999 | 21 Jun 2001 | British | 74 years |
| Bernard Philip Horn | Director | 8 Oct 1992 | 3 May 2000 | British | 79 years |
| Bruce Linton Martin | Director | 11 Oct 2002 | 20 Mar 2008 | British | 58 years |
| Catherine Martina Doran | Director | 1 Feb 2000 | 4 May 2000 | Irish | 69 years |
| Charles James Jennings | Director | 25 Jun 1992 | 8 Oct 1992 | British | 74 years |
| Christopher Francis Fitzgerald | Director | 24 Apr 1995 | 3 May 2000 | British | 80 years |
| Clare Castell | Director | 27 Mar 2020 | 30 Jun 2021 | British | 46 years |
| Colin Richard Wilson | Director | 28 Sept 2006 | 25 Mar 2014 | British | 75 years |
| David Antony John Holley | Director | 1 Jan 2000 | 20 Mar 2008 | British | 65 years |
| David Morrison | Director | 18 Mar 2004 | 20 Mar 2013 | British | 73 years |
| David William Hadwin | Director | 11 Oct 2002 | 20 Mar 2008 | British | 88 years |
| Derek Elkins | Director | 12 May 1998 | 11 Oct 2002 | British | 93 years |
| Derek John Lewis | Secretary | 1 Jan 2000 | 22 Jun 2000 | British | - |
| Edward John Franklin | Director | 19 Oct 1992 | 31 Dec 1999 | British | 101 years |
| Edwin Ronald Nixon | Director | 8 Oct 1992 | 5 Mar 1998 | British | 100 years |
| Elizabeth Alice Ruth Shenton | Director | 11 Oct 2002 | 20 Mar 2008 | British | 61 years |
| Ernest John Warr Buckler | Director | 19 Oct 1992 | 28 Feb 1995 | English | 111 years |
| Finlay Ferguson Williamson | Director | 1 Jan 2004 | 21 Aug 2009 | British | 66 years |
| Fiona Lesley Davis | Director | 21 Mar 2012 | 30 Jun 2014 | British | 64 years |
| George Reginald Clive Graham | Director | 21 Sept 2011 | 30 Sept 2020 | British | 67 years |
| George Roger Rice | Director | 14 Mar 1995 | 5 Mar 1998 | British | 105 years |
| Grahame Taylor Whitehead | Director | 15 May 2000 | 31 Dec 2003 | British | 75 years |
| Hugh Anthony Shaw | Director | 6 Mar 1998 | 7 Oct 1999 | British | 83 years |
| Ian Francis Cooper | Director | 1 Jul 2021 | 28 Sept 2023 | British | 53 years |
| Ian Mckinnon Purves | Director | 20 Mar 2008 | 31 Mar 2011 | British | 80 years |
| Ian Mckinnon Purves | Director | 25 Mar 2014 | 26 Mar 2020 | British | 80 years |
| James Hedley Rawlingson | Director | 6 May 2011 | 27 Jun 2011 | British | 58 years |
| James Mccubbin Rowney | Director | 14 Jan 2016 | 26 Mar 2020 | British | 61 years |
| Jennifer Mary Wood | Director | 1 Jul 2021 | 28 Mar 2024 | British | 54 years |
| John Charles Mcguire | Director | 20 Mar 2003 | 21 Mar 2012 | British | 77 years |
| John Donald Black Workman | Director | 19 Dec 2008 | 31 Jan 2009 | British | 73 years |
| John Donald Black Workman | Director | 31 Jan 2009 | 15 Dec 2016 | British | 73 years |
| John Napier Allan | Director | 15 May 2000 | 31 Jan 2009 | British | 78 years |
| John William Melbourn | Director | 5 Apr 1995 | 26 Sept 1996 | British | 88 years |
| Laura Jane Barlow | Director | 29 Jul 2014 | 14 Sept 2016 | British | 58 years |
| Lisa Elaine Sewell | Director | 15 Dec 2016 | 23 May 2018 | British | 52 years |
| Malcolm Hilton Groves | Director | 25 Mar 2014 | 28 Mar 2018 | British | 78 years |
| Marie Kiernan | Director | 25 Mar 2014 | 18 Dec 2015 | British | 53 years |
| Mark Heddle Ashworth | Secretary | 22 Mar 1995 | 21 Apr 1998 | British | - |
| Martin Richard Harris | Director | 19 Oct 1992 | 5 Mar 1998 | British | 103 years |
| Miller Roy Mclean | Director | 15 May 2000 | 31 Mar 2016 | British | 76 years |
| Nathalie Robertson-nugent | Director | 2 Oct 2018 | 25 Mar 2021 | British | 52 years |
| Nicholas Samuel Wilson | Director | 8 Oct 1992 | 28 Apr 1995 | British | 90 years |
| Noel Norman Dearing | Director | 11 Oct 2002 | 3 Apr 2006 | British | 84 years |
| Norman Cardie Mcluskie | Director | 15 May 2000 | 11 Oct 2002 | British | 81 years |
| Peter Baron | Director | 11 Jun 1996 | 11 Oct 2002 | British | 83 years |
| Peter Hunter Boyd | Director | 20 Mar 2008 | 17 Oct 2013 | British | 81 years |
| Peter James Scott Hammonds | Secretary | 8 Oct 1992 | 22 Mar 1995 | British | - |
| Peter Joseph Mcginley | Director | 19 Oct 1992 | 14 May 1996 | British | 61 years |
| Peter Reginald Easton | Director | 20 Mar 2008 | 25 Mar 2014 | British | 79 years |
| Peter Richard Ibbetson | Director | 12 Oct 2001 | 18 Mar 2004 | British | 69 years |
| Piers Leighton Brooke | Director | 6 Mar 1998 | 31 Jan 2000 | British | 85 years |
| Rachel Elizabeth Butlin | Secretary | 27 Oct 1992 | 25 Jun 1993 | British | - |
| Richard Delbridge | Director | 8 Oct 1996 | 30 Apr 2000 | British | 83 years |
| Richard Graham Halstead | Director | 20 Mar 2008 | 6 May 2011 | British | 68 years |
| Richard Graham Halstead | Director | 31 Jan 2013 | 25 Mar 2014 | British | 68 years |
| Ronald Stewart Bowie | Director | 20 Mar 2013 | 25 Mar 2022 | British | 71 years |
| Rowan Daniel Justin Adams | Secretary | 22 Apr 1998 | 31 Dec 1999 | British | - |
| Rowan Daniel Justin Adams | Secretary | 23 Jun 2000 | 22 Dec 2000 | British | - |
| Simon James Holland | Secretary | 25 Jun 1992 | 8 Oct 1992 | British | - |
| Stephen Douglas Fallowell | Director | 1 Apr 2011 | 1 Apr 2011 | British | 72 years |
| Stephen Douglas Fallowell | Director | 1 Apr 2011 | 31 Jan 2013 | British | 72 years |
| Stephen Douglas Fallowell | Director | 25 Mar 2014 | 28 Mar 2018 | British | 72 years |
| Stephen Edward Boyle | Director | 27 Oct 2009 | 26 Sept 2019 | British | 64 years |
| Stuart Peter John Foster | Director | 28 Jun 2023 | 27 Mar 2025 | British | 52 years |
| Susan Elizabeth Fouquier | Director | 6 Nov 2019 | 21 Oct 2022 | British | 56 years |
| Victoria Charlotte Marshall North | Director | 15 Dec 2016 | 18 Dec 2024 | British | 51 years |
| William George Henry Quigley | Director | 19 Oct 1992 | 30 Dec 2002 | British | 96 years |