| Adrian Harold Michael White | Director | 31 Mar 1995 | 23 Jul 2004 | British | 80 years |
| Alan Douglas Ormrod | Director | 31 Mar 1995 | 28 Apr 2001 | British | 84 years |
| Alan Michael Cook | Director | 1 Jul 2003 | 31 Dec 2004 | British | 72 years |
| Alastair Ross Goobey | Director | 25 Jan 1993 | 31 Dec 2001 | British | 80 years |
| Allan Conway | Director | 31 Mar 1995 | 17 Jan 1997 | British | 73 years |
| Andrew Richard Threadgold | Director | 29 Aug 1991 | 31 Jan 1993 | British | 81 years |
| Angela Orriss | Director | 24 Jan 2000 | 31 Dec 2004 | British | 62 years |
| Anthony Watson | Director | 16 Nov 1998 | 31 Jan 2006 | British | 80 years |
| Arthur David Chessells | Director | 1 Jan 1999 | 31 Dec 2007 | British | 84 years |
| Bohdan Roman Bezdel | Director | 31 Mar 1995 | 31 May 2002 | British | 73 years |
| Charles Guy Rodney Leach | Director | 29 Aug 1991 | 31 Mar 1994 | British | 91 years |
| Charles Michael Metcalfe | Director | 24 Jun 2002 | 18 Sept 2006 | British | 63 years |
| Christopher James Goudie | Director | 14 Jul 2010 | 28 Apr 2011 | British | 63 years |
| Colin Charles Hartridge- Price | Director | 1 Feb 1996 | 31 Dec 2004 | British | 78 years |
| David Coldwells Stewart | Director | 1 Apr 2015 | 31 Dec 2024 | British | 65 years |
| David James Pitt-watson | Director | 31 Dec 2004 | 1 May 2006 | British | 69 years |
| David Kenneth Watson | Director | 1 Jul 2011 | 30 Jun 2020 | British | 66 years |
| David Richard Barford | Director | 1 Jan 2006 | 2 Apr 2012 | British | 77 years |
| David Wyndham Davies | Director | 10 May 1999 | 24 Jul 2009 | British | 78 years |
| Denis Mcauley Iii | Director | 2 Jul 2018 | 31 Dec 2020 | American | 79 years |
| Frederick William Le Grice | Secretary | 1 May 1992 | 22 Nov 2001 | British | - |
| Gillian Haselden | Director | 1 Apr 2020 | 23 Jun 2020 | British | 57 years |
| Glyn Parry Jones | Director | 25 Jul 2008 | 31 May 2011 | British | 73 years |
| Gordon Joseph Ceresino | Director | 2 Jul 2018 | 21 Sept 2022 | American | 68 years |
| Harriet Anne Steel | Director | 28 Oct 2013 | 6 Dec 2022 | British | 60 years |
| Ian Marshall Kennedy | Director | 1 Dec 2015 | 2 Jul 2018 | British | 62 years |
| Ingrid Alison Kirby | Director | 1 Jul 1997 | 31 Dec 2004 | British | 67 years |
| James Annand Fraser | Director | 23 Jun 2020 | 31 Aug 2021 | British | 60 years |
| James Douglas Spooner | Director | 31 Mar 1995 | 31 Dec 1998 | British | 93 years |
| James Harry Clive Walsh | Director | 1 May 2001 | 31 Dec 2004 | British | 59 years |
| James Neilson Pettigrew | Director | 1 Aug 2009 | 31 Oct 2014 | British | 67 years |
| John Anthony Biles | Director | 1 Sept 2005 | 31 Jul 2011 | British | 78 years |
| John Basil Fisher | Director | 2 Jul 2018 | 21 Sept 2022 | American | 69 years |
| John Charles Mould | Director | 10 Aug 2009 | 1 Jul 2014 | British | - |
| John Scott Garner | Director | 29 Aug 1991 | 31 Mar 1993 | British | 99 years |
| Katherine Thompson | Secretary | 25 Mar 2020 | 31 May 2022 | - | - |
| Kathryn Ann Matthews | Director | 1 Aug 2009 | 31 Jan 2017 | British | 66 years |
| Kenneth Rowland Thomas | Director | 29 Aug 1991 | 31 Mar 1995 | British | 98 years |
| Leslie Victor Hewitt | Director | 1 Apr 1993 | 31 Mar 1995 | British | 94 years |
| Mark Jonathon Anson | Director | 31 Jan 2006 | 26 Jul 2007 | American | 66 years |
| Martin John Reed | Director | 1 May 1995 | 31 Jan 1996 | British | 88 years |
| Martin Wakefield Jacomb | Director | 9 Oct 1991 | 31 Mar 1995 | British | 96 years |
| Mary Catherine Claydon | Director | 5 May 2016 | 31 Dec 2016 | Canadian | 61 years |
| Maurice Gerard Quirke | Director | 3 Aug 2004 | 14 Dec 2007 | British | 65 years |
| Michael Heathcote Gilbert | Secretary | 29 Aug 1991 | 30 Apr 1992 | British | - |
| Michael Leslie Carter | Director | 31 Mar 1995 | 31 Dec 2004 | British | 74 years |
| Michael Mark Webb | Director | 1 Jan 2008 | 10 Dec 2009 | British | 63 years |
| Michelle Simone Green | Secretary | 23 Nov 2001 | 7 Aug 2015 | British | - |
| Nicholas Charles William Mustoe | Director | 25 Feb 2002 | 31 May 2006 | British | 64 years |
| Nicholas Hugo Baring | Director | 29 Aug 1991 | 31 Mar 1995 | British | 91 years |
| Nigel Labram | Director | 1 Jan 2008 | 12 Jan 2010 | British | 72 years |
| Parwinder Singh Purewal | Director | 1 Jun 2020 | 21 Sept 2022 | British | 66 years |
| Paul Bisping | Director | 5 Mar 1997 | 31 Dec 2004 | British | 66 years |
| Paul Spencer | Director | 7 Jun 2011 | 31 Mar 2016 | British | 75 years |
| Peter David Bairstow | Director | 29 Aug 1991 | 31 Mar 1995 | British | 93 years |
| Peter Robert Butler | Director | 1 Jan 1998 | 10 Nov 2004 | British | 76 years |
| Philip Edward Sellers | Director | 29 Aug 1991 | 31 Mar 1992 | British | 88 years |
| Philip Edward Sellers | Director | 1 Apr 1994 | 31 Mar 1995 | British | 88 years |
| Ralph Mason Bunnage | Director | 29 Aug 1991 | 31 Mar 1992 | British | 100 years |
| Ralph Nicholas Quartano | Director | 29 Aug 1991 | 8 Oct 1991 | British Greek | 98 years |
| Richard A Novak | Director | 1 Jan 2021 | 21 Sept 2022 | American | 62 years |
| Richard Anthony Harrold | Director | 31 Mar 1995 | 13 Jan 2004 | British | 79 years |
| Richard Oliver Bernays | Director | 1 Jan 2005 | 25 Jul 2008 | British | 82 years |
| Robert Alan Padgett | Director | 31 Mar 1995 | 15 May 2003 | British | 82 years |
| Roderick Alistair Selkirk | Director | 29 Apr 2002 | 31 Dec 2004 | British | 68 years |
| Roderick David Kent | Director | 1 Jan 2008 | 14 Apr 2010 | British | 78 years |
| Roger Michael Gray | Director | 20 Oct 2006 | 19 Jun 2009 | American | 68 years |
| Roy Arthur Cox | Director | 31 Mar 1995 | 31 Mar 1998 | British | 100 years |
| Rupert James Clarke | Director | 30 Apr 2004 | 31 Dec 2004 | British | 67 years |
| Rupert James Clarke | Director | 26 Jul 2007 | 30 Jan 2012 | British | 67 years |
| Sally Ann James | Director | 1 Apr 2017 | 21 Sept 2022 | British,irish | 76 years |
| Stephen Paul Brown | Director | 31 Mar 1995 | 13 Jan 2004 | British | 68 years |
| Susan Jane Cane | Secretary | 7 Aug 2015 | 10 May 2019 | - | - |
| Theodore William Zierden Iii | Director | 2 Jul 2018 | 21 Sept 2022 | American | 65 years |
| William Mcclory | Director | 18 Aug 2010 | 31 Mar 2020 | British | 75 years |