| Adam Beckett | Director | 29 Jan 2018 | 9 Nov 2020 | British | 50 years |
| Adrian Leslie Nye | Director | 3 Mar 2014 | 16 Mar 2018 | British | 52 years |
| Adrian Leslie Nye | Director | 19 Sept 2018 | 30 Apr 2019 | British | 52 years |
| Albert Gordon Mills | Director | 26 Jan 1993 | 14 Sept 1994 | British | 83 years |
| Angela Jane Darlington | Director | 19 May 2011 | 23 Jul 2012 | British | 58 years |
| Anthony Paul David Larkin | Director | 26 Nov 2020 | 28 Feb 2022 | British | 45 years |
| Anthony Paul David Larkin | Director | 2 Aug 2022 | 25 Jul 2023 | British | 45 years |
| Anuradha Purbey | Director | 18 Oct 2021 | 12 Aug 2022 | Indian | 55 years |
| Barry Bryan Knights | Secretary | 26 Jan 1993 | 31 May 1993 | British | - |
| Brian Andrew Meigh | Director | 26 Jan 1993 | 30 Nov 1993 | British | 79 years |
| Bridget Fiona Mcintyre | Director | 1 Oct 1999 | 28 Dec 2001 | British | 65 years |
| Cathryn Elizabeth Riley | Director | 28 Jan 2002 | 12 Jul 2007 | British | 64 years |
| Cathryn Elizabeth Riley | Director | 11 Mar 2010 | 3 Feb 2011 | British | 64 years |
| Clive Grant Bolton | Director | 1 Sept 2003 | 20 Nov 2006 | British | 65 years |
| Craig Anthony Colton | Director | 21 Nov 2012 | 31 Jan 2016 | British | 58 years |
| David Cavers | Director | 26 Jan 1993 | 2 Jun 1997 | British | 84 years |
| David Ernest Parker | Secretary | 1 Jun 1993 | 10 Oct 2000 | British | - |
| David Frederick Swiffen Rogers | Director | 3 Aug 1998 | 1 Sept 2003 | British | 70 years |
| David John Ball | Director | 14 Sept 1994 | 29 Feb 1996 | British | 73 years |
| David John Ramsay Mcmillan | Director | 5 Jul 2006 | 15 Feb 2010 | British | 60 years |
| David John Ramsay Mcmillan | Director | 23 Mar 2015 | 31 Mar 2017 | British | 60 years |
| Derek Anthony Allwood | Director | 1 Mar 1996 | 28 Feb 1999 | British | 78 years |
| Dmitri Michael Siomiak | Director | 14 Oct 1997 | 12 Oct 2000 | British | 69 years |
| Dominic John Clayden | Director | 10 Feb 2012 | 6 Dec 2013 | British | 60 years |
| Eric Albert Lindo | Director | 26 Jan 1993 | 31 Aug 1995 | British | 85 years |
| Garry John Welsh | Director | 1 Mar 1995 | 4 Jan 1999 | British | 63 years |
| Gary Nigel Withers | Director | 1 Sept 2003 | 2 Aug 2004 | British | 64 years |
| Geoffrey Loades | Director | 26 Jan 1993 | 2 Mar 1994 | British | 84 years |
| Gil Talbot Baldwin | Director | 29 Nov 2006 | 11 Nov 2009 | British | 66 years |
| Graham Stirling Boffey | Director | 2 Aug 2004 | 15 Jun 2011 | British | 63 years |
| Ian Russell Foy | Director | 1 May 2014 | 31 Dec 2014 | British | 60 years |
| James Allen Newman | Director | 1 Mar 1999 | 12 Oct 2000 | British | 62 years |
| John David Stanforth | Director | 18 Jul 1995 | 30 Sept 1996 | British | 85 years |
| John Robert Lister | Director | 5 Jul 2006 | 19 May 2011 | British | 68 years |
| Jonathon Ronald Herbert | Director | 26 Jan 1993 | 28 Feb 1995 | British | 70 years |
| Lindsey Claire Rix | Director | 22 Feb 2016 | 12 Apr 2018 | British | 46 years |
| Mark Andrew Noble | Director | 18 Jul 2011 | 30 Mar 2019 | British | 54 years |
| Michael Norris Urmston | Director | 12 Oct 2000 | 7 Jul 2006 | British | 77 years |
| Michael Peter Woods | Director | 3 Sept 2019 | 25 Nov 2020 | British | 42 years |
| Michael Terence Kirsch | Director | 12 Oct 2000 | 7 Jul 2006 | British | 65 years |
| Myles Ian Rix | Director | 15 Aug 2008 | 15 Feb 2010 | British | 55 years |
| Nicholas Andrew Courtenay-smith | Director | 15 Oct 1996 | 12 Oct 2000 | British | 76 years |
| Owen Charles Morris | Director | 1 Sept 2020 | 7 Feb 2022 | British | 48 years |
| Patrick Joseph Edward Smith | Director | 26 Jan 1993 | 30 Sept 1999 | British | 77 years |
| Paul Carey Brencher | Director | 17 Jun 2015 | 1 Nov 2021 | British | 55 years |
| Philip Charles Easter | Director | 2 Mar 1994 | 29 Feb 1996 | British | 73 years |
| Philip Craig Willcock | Director | 18 Feb 2010 | 2 Dec 2013 | British | 55 years |
| Philip Gordon Scott | Director | 14 Sept 1994 | 17 Jul 1995 | British | 72 years |
| Robert Harvey Symons Cowley | Director | 18 May 2010 | 4 Jul 2012 | British | 58 years |
| Robin Barker | Director | 2 Apr 2019 | 1 Aug 2022 | South African,italian | 54 years |
| Sean Egan | Director | 27 Apr 2011 | 8 Feb 2013 | Irish | 70 years |
| Stephen William Carroll | Director | 1 Sept 1995 | 12 Oct 2000 | British | 72 years |
| Steve Bridger | Director | 27 Oct 2020 | 20 Aug 2025 | British | 55 years |
| Thomas Aird Fraser | Director | 1 Mar 1996 | 14 Oct 1996 | Australian | 67 years |
| Thomas Anthony Kelly | Director | 26 Jan 1993 | 26 Jan 1995 | British | 84 years |
| Timothy Richard Baker | Director | 1 Jan 1994 | 30 Mar 2007 | British | 68 years |