| Brian John Howes | Director | 16 Jan 2001 | 31 Dec 2007 | British | 88 years |
| Carol Bell | Director | 1 Oct 2014 | 30 Sept 2023 | British | 68 years |
| Christopher Paul Rowlands | Director | 1 Apr 2010 | 30 Sept 2014 | British | 70 years |
| David Brynle Williams | Director | 1 Feb 2002 | 31 Dec 2004 | British | 86 years |
| Dylan Jones-evans | Director | 16 Jan 2001 | 30 Jun 2006 | British | 60 years |
| Frederick Peter Woodall | Director | 1 Apr 2004 | 26 Feb 2008 | British | 83 years |
| Gareth Richard Bullock | Director | 23 Sept 2015 | 25 Sept 2024 | British | 73 years |
| Graham Michael Thelwall Jones | Director | 16 Jan 2001 | 31 May 2011 | British | 83 years |
| Ian Clive John | Director | 1 Jun 2006 | 30 Nov 2016 | British | 72 years |
| Ian Roy Johnson | Director | 15 Mar 2008 | 30 Sept 2015 | British | 73 years |
| Iraj Amiri | Director | 1 Sept 2016 | 31 Aug 2025 | British | 72 years |
| Ivar Andreas Robert John Grey | Director | 1 Jun 2006 | 30 Sept 2016 | British | 79 years |
| Jane Elizabeth Clayton | Director | 1 Jun 2006 | 31 May 2011 | British | 74 years |
| John Allen | Director | 18 Aug 2000 | 16 Jan 2001 | British | 98 years |
| Judi May Oates | Secretary | 30 Sept 2008 | 1 Dec 2022 | British | - |
| Karen Margaret Rich Bellis | Director | 16 Jan 2001 | 31 Mar 2004 | British | 63 years |
| Kevin Patrick O'leary | Director | 17 Nov 2010 | 31 Mar 2018 | British | 67 years |
| Margaret Jennifer Llewellyn | Director | 1 Sept 2012 | 31 Aug 2021 | British | 75 years |
| Meirion Thomas | Director | 16 Jan 2001 | 31 Mar 2005 | British | 72 years |
| Michael David Killick | Director | 1 Jun 2006 | 31 May 2013 | British | 64 years |
| Michael James Davies | Secretary | 24 Jun 2005 | 17 Nov 2010 | British | - |
| Michael Owen | Director | 1 Oct 2015 | 4 Apr 2016 | British | 58 years |
| Mohammed Akteruzzaman | Director | 16 Jan 2001 | 31 Mar 2004 | British | 83 years |
| Norman Leonard Ingham | Secretary | 7 Oct 2002 | 24 Jun 2005 | British | - |
| Peter Greig Radcliffe | Director | 1 Jun 2006 | 31 May 2011 | British | 76 years |
| Peter Wright | Director | 16 Jan 2001 | 1 Dec 2004 | British | 75 years |
| Robert Alun Lamb | Director | 6 Apr 2021 | 9 Sept 2025 | British | 45 years |
| Robert Huw Morgan | Director | 18 Nov 2013 | 17 Nov 2022 | British | 66 years |
| Roger David Jeynes | Director | 1 Nov 2016 | 31 Oct 2025 | British | 74 years |
| Roy John Thomas | Secretary | 18 Aug 2000 | 4 Oct 2002 | British | - |
| Sheila Drury | Director | 1 Apr 2003 | 10 Sept 2003 | British | 79 years |
| Sian Lloyd Jones | Director | 3 Feb 2005 | 30 Sept 2015 | Welsh | 66 years |
| Susan Carol Balsom | Director | 16 Jan 2001 | 31 Jan 2002 | British | 76 years |
| Timothy Joseph Jenkins | Director | 1 Apr 2004 | 31 Mar 2006 | British | 59 years |
| Trefor Glyn Jones | Director | 18 Aug 2000 | 31 Mar 2005 | British | 89 years |
| William Brian Willott | Director | 18 Aug 2000 | 16 Jan 2001 | British | 86 years |