| Adam Holden | Director | 11 May 2015 | 1 Jul 2016 | British | 52 years |
| Alan David Parry | Director | 11 Oct 2018 | 4 Oct 2019 | British | 58 years |
| Alan Peter Dickinson | Director | 21 Jun 2004 | 9 Jun 2010 | British | 75 years |
| Alexander David Baldock | Director | 8 Aug 2008 | 31 Aug 2012 | British | 55 years |
| Alistair John Beeston | Director | 1 Dec 1991 | 31 Oct 1998 | British | 83 years |
| Andrew David Barnard | Director | 1 Feb 2010 | 31 Jul 2015 | British | 54 years |
| Andrew James Nicholson | Secretary | 14 Oct 2011 | 20 Nov 2013 | - | - |
| Andrew Paul Gadsby | Director | 31 May 2013 | 11 May 2015 | British | 59 years |
| Andrew Stuart Hart | Director | 16 Sept 2010 | 31 May 2013 | British | 51 years |
| Anthony Luigi Forni | Director | 1 Oct 1995 | 1 Jan 1999 | British | 78 years |
| Barbara Charlotte Wallace | Secretary | 16 Sept 2010 | 14 Oct 2011 | - | - |
| Bernard Philip Horn | Director | 3 Mar 1992 | 18 Mar 1997 | British | 79 years |
| Brian Addison Carte | Director | 21 Mar 1992 | 9 Oct 1997 | British | 82 years |
| Brian Smith Kellett | Director | 21 Mar 1992 | 30 Jan 1994 | British | 103 years |
| Christopher George Knowles | Director | 1 Jul 2000 | 29 Feb 2004 | British | 68 years |
| Christopher Paul Sullivan | Director | 1 Nov 1999 | 2 Aug 2004 | British | 68 years |
| Christopher William Green | Director | 11 Oct 2018 | 4 Oct 2019 | British | 53 years |
| Colin William Finnerty | Director | 21 Mar 1992 | 31 Mar 1995 | British | 88 years |
| David Ian Hall | Director | 16 Mar 2001 | 31 Dec 2002 | British | 62 years |
| Denis Marsden Child | Director | 21 Mar 1992 | 5 Jun 1996 | British | 99 years |
| Derek John Lewis | Secretary | 19 Feb 1999 | 30 Jun 2008 | British | - |
| Eion Arthur Mcmorran Flint | Director | 1 Oct 2000 | 1 Dec 2004 | British | 73 years |
| Gareth Mervyn Owens | Director | 1 Jan 1998 | 30 Jun 1999 | British | 70 years |
| Geoffrey Henry Whalen | Director | 1 Jan 1995 | 28 Oct 1997 | British | 89 years |
| Gerald Whieldon Leahy | Director | 7 Sept 1994 | 24 Oct 1997 | British | 91 years |
| Graham Colin Clemett | Director | 2 Sept 2002 | 15 Jun 2007 | British | 65 years |
| Hamish Martin Vincent Gray | Director | 13 Mar 1997 | 31 Oct 1999 | British | 79 years |
| Harry Mccrea Roome | Director | 1 Oct 1996 | 19 Mar 1999 | British | 71 years |
| Howard James Burnside | Director | 30 Jan 2003 | 29 Oct 2004 | British | 74 years |
| Howard Roger Brown | Director | 5 Feb 1998 | 28 Apr 2000 | British | 80 years |
| Hugh Anthony Shaw | Director | 15 Feb 1999 | 30 Apr 2000 | British | 83 years |
| Ian Duncan Cowie | Director | 9 Jan 2007 | 7 Jun 2013 | British | 65 years |
| Ian Duncan Cowie | Director | 27 Feb 2015 | 31 Oct 2016 | British | 65 years |
| Ian John Isaac | Director | 27 Feb 2015 | 30 Sept 2024 | British | 62 years |
| James Thomas Macdonald | Director | 28 Jan 2003 | 29 Feb 2004 | British | 66 years |
| Jeffrey Johnson | Director | 1 Jan 1995 | 8 Nov 1999 | British | 80 years |
| John Alastair Nigel Cameron | Director | 1 Jul 2000 | 20 Oct 2004 | British | 71 years |
| John Derek Fitch | Director | 3 Jun 1991 | 30 Sept 1996 | British | 88 years |
| John Donald Black Workman | Director | 5 Nov 2002 | 29 Oct 2004 | British | 73 years |
| John Douglas Purdy | Director | 21 Mar 1992 | 31 Dec 1996 | British | 88 years |
| John Graham Woodhouse | Director | 21 Mar 1992 | 31 Aug 1996 | British | 89 years |
| John Hamer Wood | Director | 8 Aug 2016 | 30 Jun 2017 | British | 63 years |
| John Michael Morgan | Director | 21 Mar 1992 | 30 Sept 1996 | British | 89 years |
| John Richard Mapplebeck | Director | 1 Apr 1996 | 30 Jun 2000 | British | 82 years |
| John William Melbourn | Director | 3 Apr 1996 | 31 Oct 1997 | British | 88 years |
| John-paul Thwaite | Director | 4 Oct 2019 | 3 Oct 2023 | British | 54 years |
| Joseph Alexander Pattara | Director | 16 Mar 2017 | 4 Oct 2019 | British | 52 years |
| Margaret Janet Evans | Secretary | 21 Mar 1992 | 8 May 1998 | British | - |
| Mark Heddle Ashworth | Secretary | 8 May 1998 | 19 Feb 1999 | British | - |
| Martin Edward Powell | Director | 31 Jul 1998 | 28 May 1999 | British | 70 years |
| Michael Alan Maberly | Director | 21 Mar 1992 | 31 Dec 1994 | British | 89 years |
| Michael Brian | Director | 6 Jul 1994 | 1 Jan 1999 | British | 83 years |
| Nathan Mark Bostock | Director | 1 Oct 2001 | 25 Oct 2001 | British | 65 years |
| Neeraj Kapur | Director | 16 Sept 2009 | 1 Feb 2010 | British | 60 years |
| Neil Clark Macarthur | Secretary | 1 Aug 2008 | 16 Sept 2010 | British | - |
| Nicholas Charles Coleman | Director | 1 Jul 2000 | 24 Nov 2000 | British | 69 years |
| Nigel Pearce | Director | 4 Jun 1999 | 17 Dec 2004 | British | 74 years |
| Nigel Timothy John Clibbens | Director | 16 May 2002 | 27 Feb 2015 | British | 66 years |
| Paul Anthony Lynam | Director | 6 Oct 2004 | 8 Aug 2008 | Irish | 57 years |
| Paul Marrow | Director | 27 May 2004 | 30 Sept 2006 | British | 73 years |
| Paul Richard Biddle | Director | 22 Feb 1999 | 31 Oct 1999 | British | 80 years |
| Paul Richard Mead | Director | 2 Sept 1992 | 18 Oct 1993 | British | 78 years |
| Peter Higgins | Director | 4 Jun 1999 | 31 Mar 2000 | British | 72 years |
| Peter Richard Allen | Director | 24 Nov 2000 | 21 Nov 2003 | British | 82 years |
| Richard Andrew Hemsley | Director | 2 Sept 2013 | 2 Jan 2015 | British | 61 years |
| Richard George Crotty | Director | 21 Mar 1992 | 30 Jun 1993 | British | 95 years |
| Richard Mark Priestman | Director | 20 Oct 2006 | 25 Jun 2010 | British | 69 years |
| Robert Duncan Brodie | Director | 1 Oct 2000 | 29 Feb 2004 | British | 60 years |
| Robert Henry Stedall | Director | 1 Jan 1992 | 31 Jul 1996 | British | 83 years |
| Robin Stewart Legg | Director | 1 Apr 1996 | 24 Feb 1999 | British | 75 years |
| Roger Flemington | Director | 21 Mar 1992 | 13 Sept 1994 | British | 93 years |
| Ronald James Young | Director | 21 Mar 1992 | 10 Jul 1995 | British | 92 years |
| Samuel Robert Jones | Director | 4 Aug 1993 | 19 Sept 1995 | British | 83 years |
| Trevor Douglas Crome | Director | 27 Feb 2015 | 30 Jun 2016 | British | 65 years |
| Wenche Marshall Foster | Director | 1 Feb 1997 | 31 Oct 1997 | Norwegian | 87 years |