| Alan Meddows Taylor | Director | 16 Jul 1999 | 31 Dec 2011 | British | 77 years |
| Alan Robert Harold Sindel | Director | 18 Dec 2001 | 5 Jun 2006 | Australian | 61 years |
| Andrew James Harrower Dougal | Director | 6 Oct 1993 | 8 Nov 1993 | British | 75 years |
| Andrew John Bridge | Director | 27 Oct 2011 | 1 Dec 2014 | British | 76 years |
| Andrew Vaughan Swinnerton | Director | 6 Jul 2020 | 21 Nov 2023 | British | 59 years |
| Anthony Kujawa | Director | 19 Sept 1996 | 22 Oct 2001 | British | 72 years |
| Barnabus Towne Beddow | Secretary | 9 Apr 1999 | 20 Feb 2007 | British | - |
| Brian Charleton | Director | 1 Jan 2012 | 8 Mar 2013 | British | 58 years |
| Christopher Mark Hudson | Director | 28 Apr 2008 | 12 Jan 2011 | British | 68 years |
| Christopher Mark Hudson | Director | 1 Jun 2019 | 9 Apr 2021 | British | 68 years |
| Colin Richard Jenkins | Director | 16 Feb 2007 | 31 Dec 2007 | British | 64 years |
| Colin Richard Jenkins | Director | 26 Oct 2009 | 30 Sept 2011 | British | 64 years |
| Daniel Rhys Morgan | Director | 15 Oct 2013 | 28 Sept 2015 | British | 48 years |
| David Ambrose | Director | 20 Jul 2004 | 16 Feb 2007 | British | 64 years |
| David James Tonkin | Director | 23 Feb 1996 | 26 Jan 2000 | British | 64 years |
| David James Tonkin | Director | 18 Dec 2001 | 31 Jul 2004 | British | 64 years |
| David John Szymanski | Director | 25 Jan 1995 | 19 Sept 1996 | British | 72 years |
| David Martin Cole | Director | 1 Jul 2009 | 12 Jan 2011 | British | 67 years |
| David Peter Smith | Director | 17 Jun 1996 | 30 Jun 2005 | British | 73 years |
| David Tidmarsh | Director | 6 Oct 1993 | 29 Apr 1994 | British | 81 years |
| Fiona Louise Hornby | Director | 3 Apr 2014 | 5 Jan 2015 | British | 44 years |
| Francois Petry | Director | 29 Sept 2017 | 4 Jan 2018 | French | 60 years |
| Gareth James Day | Director | 1 Mar 2018 | 18 Feb 2019 | British | 49 years |
| Gareth Pugh | Director | 1 Oct 2016 | 6 Jul 2020 | British | 56 years |
| Gary Charles Mcardle | Director | 8 Mar 2005 | 14 May 2007 | British | 66 years |
| Guy Charles Edwards | Director | 26 Oct 2009 | 20 Feb 2013 | British | 61 years |
| Ian David Thompson | Director | 14 May 2007 | 4 Apr 2008 | British | 72 years |
| James Alexander Claydon | Director | 5 Jun 2006 | 30 Apr 2007 | British | 66 years |
| James Alexander Claydon | Director | 30 Oct 2007 | 30 Jun 2009 | British | 66 years |
| James Alexander Claydon | Director | 1 Aug 2009 | 1 Feb 2011 | British | 66 years |
| James Crick | Director | 31 Dec 2007 | 30 Jun 2009 | British | 76 years |
| James Lawrence Cousins | Director | 12 Jan 2011 | 30 Jun 2011 | British | 54 years |
| James Stuart Whitelaw | Director | 3 Jun 2016 | 29 Jan 2018 | British | 54 years |
| James Stuart Whitelaw | Director | 18 Feb 2019 | 4 Sept 2023 | British | 54 years |
| Jamie Mcgregor | Director | 23 Apr 2021 | 22 Jun 2022 | British | 52 years |
| Jason Thomas James Black | Director | 26 Aug 2014 | 30 Jun 2022 | British | 54 years |
| Jennifer Anne Lowe | Secretary | 30 Mar 2012 | 28 Feb 2022 | - | - |
| Jeremy Lees Dawes | Director | 9 Feb 2015 | 31 Mar 2019 | British | 60 years |
| Jocelyn Marie Morris | Director | 9 Mar 2013 | 3 Apr 2014 | British | 50 years |
| John Foster Yeoman | Director | 6 Oct 1993 | 8 Sept 2006 | British | 65 years |
| John Gerard Wernicke Smart | Director | 29 Apr 1994 | 27 Oct 1994 | British | 81 years |
| John Gerard Wernicke Smart | Secretary | 6 Oct 1993 | 9 Apr 1999 | British | - |
| John Kenneth Hopkins | Director | 18 Dec 2001 | 9 May 2003 | British | 82 years |
| John Robert Paterson | Director | 1 Feb 2011 | 24 Jun 2011 | British | 49 years |
| Laurence Anthony Quinn | Director | 12 Jan 2011 | 31 Jan 2012 | British | 69 years |
| Laurence Anthony Quinn | Director | 20 Feb 2013 | 30 Sept 2016 | British | 69 years |
| Lee Anthony Sleight | Director | 21 Nov 2023 | 31 Jul 2024 | British | 43 years |
| Marilyn Jane Phillips | Director | 3 Aug 2000 | 18 Dec 2001 | British | 65 years |
| Mark Roger Atkinson | Director | 1 Jan 2012 | 8 Mar 2013 | British | 48 years |
| Mary Ford | Secretary | 19 Feb 2007 | 30 Mar 2012 | British | - |
| Michael Littleford | Director | 16 Feb 2007 | 15 Apr 2008 | British | 61 years |
| Michael Luing Henry Cowley | Director | 30 Apr 2007 | 31 Jul 2009 | British | 65 years |
| Michael Paul Pearce | Director | 28 Sept 2015 | 29 Sept 2017 | British | 62 years |
| Pablo Libreros | Director | 4 Jan 2018 | 31 May 2019 | French | 48 years |
| Peter John Smith | Director | 2 Mar 1993 | 23 Feb 1996 | British | 89 years |
| Peter John Smith | Secretary | 2 Mar 1993 | 6 Oct 1993 | British | - |
| Philip David Coupland | Director | 15 Mar 2019 | 31 Jul 2023 | British | 56 years |
| Philippe Nicolas Frenay | Director | 1 Oct 2011 | 28 Feb 2017 | French | 59 years |
| Phillip Keith Redmond | Director | 9 Mar 2013 | 3 Jun 2016 | British | 60 years |
| Pierre Edern Francois Lalanne | Director | 22 Jun 2022 | 30 Sept 2025 | French | 46 years |
| Richard Charles Edward Wilcock | Director | 31 Mar 2019 | 10 Jul 2024 | British | 51 years |
| Richard Martin Painter | Director | 6 Oct 1993 | 11 Dec 2000 | British | 68 years |
| Robert Simon Peter Taylor | Director | 27 Oct 1994 | 17 Jun 1996 | British | 78 years |
| Robert Simon Peter Taylor | Director | 11 Dec 2000 | 20 Jul 2004 | British | 88 years |
| Robin Mark Staunton | Director | 14 Sept 1992 | 2 Mar 1993 | British | 69 years |
| Robin Mark Staunton | Secretary | 14 Sept 1992 | 2 Mar 1993 | British | - |
| Ross William Snape | Director | 27 Oct 2005 | 29 Sept 2006 | British | 62 years |
| Ross William Snape | Director | 1 May 2003 | 8 Mar 2005 | British | 62 years |
| Simon James Marriott | Director | 1 Jul 2011 | 31 Jan 2012 | British | 58 years |
| Simon John Blake | Director | 1 Jan 2012 | 26 Sept 2013 | British | 59 years |
| Simon Neil Vivian | Director | 8 Nov 1993 | 19 Apr 1996 | British | 69 years |
| Simon Roger Fernley | Director | 4 Dec 1997 | 22 Aug 2001 | British | 76 years |
| Terence Robert Last | Director | 19 Apr 1996 | 29 Aug 1997 | British | 76 years |
| Terrence Robert Last | Director | 6 Oct 1993 | 25 Jan 1995 | British | 76 years |
| Thomas Mark Longland | Director | 1 Mar 2017 | 15 Mar 2019 | British | 51 years |
| Timothy Charles Jackson | Director | 20 Nov 2012 | 15 Oct 2013 | British | 74 years |
| Timothy Edward Pyper | Director | 14 Sept 1992 | 2 Mar 1993 | British | 82 years |
| Todd William Hannigan | Director | 8 Mar 2005 | 30 Oct 2007 | Australian | 54 years |
| Yuval Dagim | Director | 1 Jul 2009 | 31 Aug 2011 | Israeli | 64 years |