| Alun Hughes | Director | 7 Jun 1991 | 31 Dec 1998 | British | 94 years |
| Anthony John Allsop | Director | 5 Jun 2005 | 17 Jul 2007 | British | 73 years |
| Ciaran Anthony Kennedy | Director | 18 May 2006 | 30 Sept 2010 | Northern Irish | 61 years |
| Colin Vaughan Mcleod | Director | 22 Dec 2004 | 23 Sept 2009 | British | 76 years |
| Daniel Robert Holding | Director | 28 Aug 2008 | 1 Oct 2009 | British | 56 years |
| David Andrew Mcclelland | Director | 18 Oct 2004 | 3 Dec 2004 | British | 59 years |
| David Richard Williams | Director | 29 Jun 2007 | 24 Aug 2007 | British | 61 years |
| Edmund Michael Reed | Director | 5 Jun 2005 | 30 Sept 2007 | British | 70 years |
| Elizabeth Helen Lyon | Director | 1 Dec 2016 | 31 Dec 2020 | British | 43 years |
| Elizabeth Helen Lyon | Director | 4 Jan 2022 | 3 Jan 2023 | British | 43 years |
| Graeme Mark Makepeace | Director | 31 Dec 2020 | 4 Jan 2022 | British | 59 years |
| Harold Graham Brookes | Director | 7 Jun 1991 | 31 Dec 2004 | British | 83 years |
| Ian Alan Duncan Peters | Director | 30 Sept 2010 | 10 Mar 2014 | British | 61 years |
| James Edmund Mitchell Johnston | Secretary | 30 Jun 2002 | 5 Jun 2005 | British | - |
| James Richard Green | Director | 29 Jun 2007 | 1 May 2008 | British | 65 years |
| John Barlow | Director | 22 Dec 2004 | 18 May 2006 | British | 80 years |
| John Henry Roger Foldes | Director | 21 Oct 2009 | 30 Sept 2010 | British | 63 years |
| John Holmes Falkner | Secretary | 7 Jun 1991 | 30 Jun 2002 | British | - |
| John Michael Mcculloch | Director | 8 Apr 2006 | 1 Aug 2008 | British | 73 years |
| John Michael Stuart Johnston | Director | 7 Jun 1991 | 22 Dec 2004 | British | 73 years |
| Kashyap Pandya | Director | 26 Apr 2004 | 22 Dec 2004 | British | 63 years |
| Malcolm Gibbins | Director | 29 Jul 2005 | 12 Sept 2005 | British | 79 years |
| Malcolm Gibbins | Secretary | 5 Jun 2005 | 25 Jul 2005 | British | - |
| Malcolm Gibbins | Secretary | 29 Jul 2005 | 30 Nov 2006 | British | - |
| Marcus Rupert Hamson Jordan | Director | 25 Nov 1998 | 23 Apr 2004 | British | 69 years |
| Matthew Ian Pearson | Director | 3 Jan 2023 | 31 Aug 2025 | British | 46 years |
| Patrick George Bennett | Director | 7 Jun 1991 | 31 Jul 1991 | British | 99 years |
| Patrick Robert Ward | Director | 31 Oct 2016 | 31 Mar 2021 | British | 66 years |
| Philip Hugh James | Director | 1 May 1997 | 30 Nov 2009 | British | 79 years |
| Robert Barr Binnie | Director | 7 Jun 1991 | 5 Jun 2005 | British | 79 years |
| Ross Edward Mcdonald | Director | 31 Oct 2016 | 1 Mar 2022 | British | 65 years |
| Ross Edward Mcdonald | Secretary | 30 Nov 2006 | 1 Mar 2022 | British | - |
| Sara Meredith Suzanne Warner | Director | 28 Aug 2008 | 29 Jan 2010 | British | 62 years |
| Stephen Sutton | Director | 7 Jun 1991 | 5 Jun 2005 | British | 74 years |
| Timothy Conrad Langston Hall | Director | 4 Oct 2010 | 11 Dec 2017 | English | 73 years |
| Timothy John Billingham | Director | 24 Aug 2007 | 1 Dec 2016 | British | 46 years |
| Trevor Wraight | Director | 12 Sept 2005 | 31 May 2007 | British | 71 years |
| William Graham Stuart Johnston | Director | 7 Jun 1991 | 4 Oct 1994 | British | 113 years |
| William Spurr | Director | 20 Dec 2007 | 18 Nov 2008 | British | 62 years |