| Adrian Grace | Director | 7 Dec 2004 | 12 Jan 2007 | British | 62 years |
| Aidan Joseph Larkin | Director | 16 Jul 2003 | 17 May 2005 | Irish | 66 years |
| Andrew Martin Stewart | Director | 12 Dec 2019 | 9 Jul 2021 | British | 62 years |
| Anthony Keith Vine-lott | Director | 13 Sept 1995 | 19 Apr 1996 | British | 78 years |
| Catherine Anne Mcgrath | Director | 18 Jul 2016 | 8 Dec 2019 | New Zealander,british | 54 years |
| Christopher James Mack | Director | 5 Jun 2020 | 27 Jun 2023 | British | 54 years |
| Christopher Owen Milson | Director | 1 Mar 1993 | 6 Oct 1999 | British | 75 years |
| Clifford Sydney Quartly | Director | 9 Apr 1992 | 22 Oct 1993 | British | 92 years |
| David William Kelly | Director | 18 Sept 2015 | 30 Aug 2017 | British | 47 years |
| David William Kelly | Director | 3 Jun 2019 | 30 Jun 2023 | British | 47 years |
| Derek John Coles | Director | 7 Nov 2001 | 16 Jul 2003 | British | 65 years |
| Dirk Klee | Director | 19 Jun 2020 | 31 Jan 2022 | German | 61 years |
| Eamon Slevin | Director | 3 Oct 2000 | 8 Oct 2004 | Irish | 59 years |
| Gary John Duggan | Director | 9 Aug 2007 | 31 Dec 2010 | British | 64 years |
| Gillean Rachel Dooney | Director | 26 Jul 2017 | 7 Nov 2017 | New Zealander | 49 years |
| Graham Neal Bennett | Director | 11 Dec 2012 | 8 Dec 2019 | British | 52 years |
| Gregory Paul Beecham | Director | 1 Aug 2013 | 8 Dec 2019 | British | 61 years |
| Ian George Gordon Balls | Director | 3 Oct 2000 | 17 May 2005 | British | 77 years |
| James George Beacon | Director | 1 Jun 1994 | 20 May 1996 | British | 86 years |
| John Bertram Eaton | Director | 3 Oct 2000 | 7 Nov 2001 | British | 74 years |
| John Broadhurst | Director | 9 Apr 1992 | 30 Jun 1995 | British | 82 years |
| John Graham King | Director | 21 Apr 1997 | 4 Oct 2000 | English | 63 years |
| John Michael David Atterbury | Secretary | 9 Apr 1992 | 16 Feb 1995 | British | - |
| John Michael Mills | Secretary | 3 Oct 1996 | 6 Oct 1998 | British | - |
| John Philip Hine | Director | 1 Jan 1997 | 6 Nov 1997 | British | 68 years |
| Kieran Joseph Murphy | Director | 17 Aug 2011 | 9 Nov 2012 | Irish | 54 years |
| Lee John Chiswell | Director | 1 Jul 2023 | 12 Jun 2025 | British | 54 years |
| Martin John Foran | Director | 1 Jan 1997 | 6 Nov 1997 | British | 83 years |
| Martin Kerrison Booth | Director | 22 Oct 1993 | 2 Jan 1997 | British | 79 years |
| Matthew Christian Alan Carter | Director | 1 May 2013 | 5 Dec 2014 | British | 58 years |
| Neil Andrew Radley | Director | 1 Jan 1997 | 6 Oct 1998 | British | 62 years |
| Niamh Mary De Niese | Director | 12 Dec 2019 | 15 Jul 2021 | Irish | 45 years |
| Nigel Christopher Craddock | Director | 9 Apr 1992 | 1 Mar 1993 | British | 88 years |
| Patricia Easterbrook | Director | 28 Dec 2007 | 8 Jul 2010 | British | 58 years |
| Paul Gerard Mcnamara | Director | 24 Feb 2011 | 30 Apr 2013 | Irish | 59 years |
| Paul Joseph Walsh | Director | 12 May 2004 | 2 Jul 2007 | Irish | 60 years |
| Ralph Coates | Director | 23 May 2008 | 1 Jul 2011 | South African | 53 years |
| Richard Michael Dallas | Director | 1 Dec 2005 | 2 Jul 2007 | British | 55 years |
| Richard Philip Morley Reay Smith | Director | 1 Jan 1997 | 6 Nov 1997 | British | 84 years |
| Robert Graham Dench | Director | 1 Jul 1995 | 4 Oct 2000 | British | 75 years |
| Robert James Clarkson | Director | 20 Aug 2007 | 25 Mar 2011 | British | 55 years |
| Ronald David Henry Ainsworth | Secretary | 16 Feb 1995 | 3 Oct 1996 | British | - |
| Rupert James Fowden | Director | 14 Oct 2022 | 31 Dec 2024 | British | 61 years |
| Seamus Martin Anthony Hughes | Director | 16 Jul 2003 | 17 May 2005 | Irish | 60 years |
| Simon John Parr | Director | 1 Dec 2005 | 19 Dec 2007 | British | 54 years |
| Simon John Parr | Director | 19 Oct 1999 | 14 Jan 2000 | British | 54 years |
| Simon Nicholas Lewis Woolcott | Director | 7 Nov 2001 | 26 Nov 2002 | British | 69 years |
| Stephen Furness | Director | 1 Jan 1997 | 6 Nov 1997 | British | 75 years |
| Steven Neville Rossiter | Director | 29 Jun 2011 | 19 Jun 2014 | Australian | 47 years |
| Thomas Young | Director | 21 Jun 2005 | 2 Jul 2007 | British | 62 years |