| Amanda Helen Bowe | Director | 31 Aug 2018 | 30 Apr 2024 | British | 57 years |
| Andrew Kerr | Director | 13 Mar 2000 | 30 Apr 2003 | British | 67 years |
| Andrew Moss | Director | 10 Jun 2010 | 1 Oct 2022 | British | 61 years |
| Anthony Beverley Davidson | Director | 26 Jan 2005 | 12 Oct 2015 | British | 78 years |
| Anthony Wayne Snow | Director | 8 Aug 2013 | 15 Mar 2018 | British | 53 years |
| Bernadette Clare Young | Secretary | 11 Dec 2000 | 6 Dec 2001 | British | - |
| Bernard Andrew Curran | Director | 1 Oct 2020 | 8 May 2025 | British | 57 years |
| Brendan Joseph Meehan | Director | 30 Sept 2004 | 6 Sept 2005 | British | 67 years |
| Brian John Hall | Director | 19 Dec 1997 | 13 Mar 2000 | British | 73 years |
| Brid Mary Meaney | Director | 1 Apr 2021 | 19 Aug 2024 | Irish | 51 years |
| Christopher David O'brien | Director | 9 Apr 1998 | 30 Nov 1999 | British | 74 years |
| Clive Adam Cowdery | Director | 30 Sept 2004 | 6 Sept 2005 | British | 62 years |
| David John Morgan | Secretary | 17 Jun 1992 | 12 May 1997 | British | - |
| David Louis Richardson | Director | 26 Apr 2012 | 31 Jan 2013 | Irish | 53 years |
| David Murray Heather | Director | 26 Apr 1992 | 12 Aug 1993 | British | 84 years |
| David Richard Cheeseman | Director | 15 Sept 2017 | 17 Jul 2019 | British | 57 years |
| David Ronald Parry | Director | 26 Apr 1992 | 22 Apr 1998 | British | 88 years |
| Diana Susan Miller | Director | 21 May 2015 | 31 Dec 2019 | British | 75 years |
| Donald Shore | Director | 26 Apr 1992 | 30 Apr 1998 | British | 78 years |
| Duncan George Robin Ferguson | Director | 26 Jan 2005 | 25 Sept 2009 | British | 83 years |
| Edward Jonathan Cameron Hawkes | Director | 13 Aug 2008 | 2 Sept 2009 | British | 48 years |
| Fiona Matthews | Director | 26 Feb 2004 | 6 Sept 2005 | British | 60 years |
| George Stephan Pater | Director | 30 Mar 1998 | 31 Oct 2002 | British | 74 years |
| Graham Lloyd Singleton | Director | 6 Sept 2005 | 30 Aug 2006 | British | 62 years |
| Graham Lloyd Singleton | Director | 20 Nov 2007 | 30 Sept 2008 | British | 62 years |
| Heather Gwendolyn Brierley | Secretary | 15 Sept 2000 | 11 Dec 2000 | British | - |
| Hugh Edward Mark Osmond | Director | 12 Jun 2008 | 2 Sept 2009 | British | 63 years |
| Ian Adam Craston | Director | 1 Jun 2023 | 31 Oct 2025 | British | 59 years |
| Ian Bruce Owen | Director | 3 Jul 2007 | 9 Sept 2009 | British | 72 years |
| Ian Graham Maidens | Director | 31 Mar 2005 | 22 Aug 2008 | British | 61 years |
| Jacqueline Elizabeth Fox | Secretary | 17 Jul 2002 | 30 Sept 2004 | British | - |
| James Allen Newman | Director | 30 Aug 2006 | 1 May 2008 | British | 61 years |
| James Daniel Gallagher | Director | 23 Jul 2020 | 30 Sept 2021 | British | 71 years |
| James Edward Hughes | Secretary | 26 Apr 1992 | 17 Jun 1992 | British | - |
| Jan Victor Miller | Secretary | 1 May 2002 | 17 Jul 2002 | British | - |
| Jean Craig Park | Director | 1 Apr 2010 | 19 Jun 2013 | British | 71 years |
| Jennifer Jane Wilman | Secretary | 30 Sept 2004 | 1 Sept 2006 | British | - |
| Jill Carnie | Director | 13 Mar 2000 | 30 Jun 2001 | British | 68 years |
| John Hilton Berg | Secretary | 1 Jul 1998 | 15 Sept 2000 | British | - |
| John Joseph Keane | Director | 13 Mar 2000 | 31 Aug 2002 | Irish | 59 years |
| John Robert Lister | Director | 1 Sept 2016 | 24 Aug 2025 | British | 67 years |
| John Sidwell | Director | 1 Oct 1993 | 5 Aug 1996 | British | 72 years |
| John Simon Bertie Smith | Director | 1 May 2008 | 25 Mar 2010 | British | 61 years |
| Jonathan James Yates | Director | 24 Jun 2010 | 21 Dec 2011 | British | 64 years |
| Jonathan Peter Evans | Director | 2 Nov 2009 | 31 Aug 2016 | British | 75 years |
| Jonathan Robson Pears | Director | 31 Aug 2018 | 1 Oct 2022 | British | 57 years |
| Jonathan Stephen Moss | Director | 1 May 2008 | 2 Sept 2009 | British | 62 years |
| Julian Christopher Hance | Director | 11 Nov 1996 | 23 Apr 1998 | British | 70 years |
| Kerr Luscombe | Director | 20 Nov 2007 | 9 Feb 2010 | British | 60 years |
| Layton Gwyn Tamberlin | Director | 6 Oct 2008 | 4 Jun 2009 | English | 49 years |
| Manjit Dale | Director | 12 Jun 2008 | 2 Sept 2009 | British | 60 years |
| Margaret Grace Hassall | Director | 23 Jul 2020 | 31 Mar 2023 | British | 64 years |
| Martin Potkins | Director | 18 Jul 2007 | 1 May 2008 | British | 65 years |
| Melvin White | Director | 26 Apr 1992 | 21 Apr 1998 | British | 88 years |
| Michael David Ross | Director | 12 Jun 2008 | 31 Mar 2016 | British | 79 years |
| Michael John Eakins | Director | 23 Jul 2020 | 1 Oct 2022 | Irish | 50 years |
| Michael John Merrick | Director | 22 Feb 2008 | 19 May 2014 | British | 65 years |
| Michael Nicholas Biggs | Director | 2 Jun 2005 | 10 Jul 2006 | British | 73 years |
| Michael Norris Urmston | Director | 11 Nov 2009 | 31 Oct 2021 | British | 76 years |
| Michael Robert Kipling | Director | 27 May 2003 | 10 Jul 2008 | British | 68 years |
| Mike Warr | Director | 13 Mar 2000 | 31 Oct 2002 | British | 68 years |
| Mohammed Iqbal | Director | 26 Apr 1992 | 31 Aug 1996 | British | 80 years |
| Nicholas Hugh Poyntz-wright | Director | 3 May 2016 | 31 Dec 2024 | British | 62 years |
| Nick Criticos | Director | 9 Apr 1998 | 13 Mar 2000 | South African | 83 years |
| Patrick Francis Mcdonnell | Director | 2 Jun 2005 | 15 Jul 2005 | Irish | 60 years |
| Paul Andrew Thompson | Director | 6 Sept 2005 | 10 Jul 2006 | British | 63 years |
| Peter Kane Mayes | Director | 1 Oct 2022 | 31 Mar 2024 | British | 54 years |
| Peter Nicholas Hanby | Director | 14 Jan 2003 | 1 Apr 2004 | British | 76 years |
| Philip Stephen Egan | Director | 13 Mar 2000 | 30 Apr 2003 | British | 68 years |
| Rakesh Kishore Thakrar | Director | 23 Jul 2018 | 15 May 2020 | British | 50 years |
| Rakesh Kishore Thakrar | Director | 1 Oct 2022 | 31 Jul 2024 | British | 50 years |
| Richard Anthony Eves | Secretary | 13 May 1997 | 1 Jul 1998 | British | - |
| Richard David Houghton | Director | 31 Aug 2018 | 31 Dec 2019 | British | 60 years |
| Richard Edward Keith Greenfield | Director | 9 Apr 1998 | 31 Dec 2007 | British | 69 years |
| Robert Paul Stockton | Director | 29 Mar 2007 | 10 Jul 2008 | British | 60 years |
| Roger Craine | Director | 26 Jun 2003 | 30 Apr 2007 | British | 69 years |
| Ronald Calver | Director | 17 Jun 1994 | 13 Mar 2000 | British | 80 years |
| Shamira Mohammed | Director | 7 Oct 2014 | 26 Jun 2017 | British | 57 years |
| Simon Charles True | Director | 2 Sept 2013 | 9 Mar 2018 | British | 57 years |
| Stephen Andrew Clarke | Director | 12 Oct 2015 | 1 Oct 2022 | British | 71 years |
| Stephen Keith Percival | Director | 17 Jul 2019 | 31 Mar 2021 | British | 50 years |
| Susan Davidson Mcinnes | Director | 18 Apr 2018 | 31 Aug 2018 | British | 63 years |
| Susan Davidson Mcinnes | Director | 9 Apr 2020 | 1 Oct 2020 | British | 63 years |
| Vanessa Jones | Secretary | 6 Dec 2001 | 26 Apr 2002 | British | - |
| William John Bradburn | Director | 13 Mar 2000 | 30 Sept 2002 | British | 74 years |
| William Raymond Treen | Director | 25 Nov 2009 | 21 May 2015 | Welsh | 85 years |