| Alasdair Gordon Mackenzie Nairn | Director | 15 Jan 2003 | 10 Oct 2008 | British | 64 years |
| Alexander Maxwell Crombie | Director | 10 Oct 2008 | 31 Dec 2009 | British | 76 years |
| Anthony William Potter | Director | 30 Sept 1993 | 1 Dec 1994 | British | 74 years |
| Anthony William Potter | Secretary | 28 May 1993 | 1 Dec 1994 | British | - |
| Antonios Kassimiotis | Director | 31 Aug 2018 | 31 Dec 2022 | Australian | 58 years |
| Arlene Cairns | Director | 25 May 2023 | 13 Aug 2024 | British | 47 years |
| Brian Peters | Director | 30 Apr 2021 | 4 Oct 2022 | British | 46 years |
| Bruce Harvey Owen | Director | 9 May 1994 | 9 Oct 1995 | British | 79 years |
| David John Williams | Director | 24 May 1996 | 22 Oct 2002 | British | 68 years |
| David Martin Maxfield Dutton | Director | 17 Aug 1994 | 15 Jan 2003 | British | 83 years |
| David Thomas Nish | Director | 1 Jan 2010 | 1 Jul 2010 | British | 65 years |
| Derek Scott | Director | 15 Jan 2003 | 10 Oct 2008 | British | 72 years |
| Edward Reynolds | Director | 1 Sept 2016 | 31 Aug 2018 | British | 55 years |
| Frances Margaret Horsburgh | Secretary | 15 Mar 2011 | 31 Aug 2018 | - | - |
| Frank Amhurst | Director | 17 Dec 1992 | 31 Jan 1993 | British | 111 years |
| Gerard John Oneill | Director | 15 Jan 2003 | 24 Jun 2011 | British | 66 years |
| Graeme Robert Bold | Director | 31 May 2013 | 1 Sept 2016 | British | 50 years |
| Guy Edmund Sangster | Director | 2 Aug 1993 | 30 Sept 2005 | British | 64 years |
| Jenny Isobel Holt | Director | 31 Aug 2018 | 8 Feb 2022 | British | 48 years |
| John James William Robert Main | Director | 17 Dec 1992 | 17 Apr 1997 | British | 83 years |
| John Stanley Lever | Director | 17 Dec 1992 | 24 Feb 1993 | British | 67 years |
| Lewis John Davis | Director | 20 Apr 1993 | 24 May 1996 | British | 77 years |
| Mark Alexander Hesketh | Director | 21 Nov 2012 | 31 May 2017 | British | 64 years |
| Martin Alan Marcus | Director | 17 Dec 1992 | 1 Nov 1993 | British | 77 years |
| Michael James Rickards | Director | 24 May 1996 | 22 Oct 2002 | British | 74 years |
| Michael Thomas Hearn | Secretary | 17 Dec 1992 | 28 May 1993 | British | - |
| Montague Ivor Samuels | Director | 3 Sept 2002 | 10 Oct 2008 | British | 90 years |
| Montague Ivor Samuels | Secretary | 26 Nov 2002 | 15 Jan 2003 | British | - |
| Paul Stephen Matthews | Director | 1 Jan 2010 | 11 Jan 2012 | British | 65 years |
| Richard Paul Mellish | Director | 1 Dec 1994 | 24 May 1996 | British | 67 years |
| Richard Paul Mellish | Secretary | 1 Dec 1994 | 24 May 1996 | British | - |
| Robert Dawson | Director | 17 Dec 1992 | 19 Feb 1993 | British | 78 years |
| Ronald Frank Cameron Taylor | Director | 21 Nov 2012 | 9 Apr 2013 | British | 59 years |
| Shaun Andrew Clarkin | Director | 15 Jan 2003 | 30 Jun 2003 | Irish | 69 years |
| Stanley Ernest Lever | Director | 17 Dec 1992 | 28 May 1993 | British | 92 years |
| Stephen David Thurlow | Director | 15 Jan 2003 | 21 Nov 2012 | British | 61 years |
| Stephen David Thurlow | Secretary | 15 Jan 2003 | 15 Mar 2011 | British | - |
| Stephen Keith Percival | Director | 31 May 2017 | 30 Apr 2021 | British | 50 years |
| Stephen Leonard Ingledew | Director | 1 Aug 2011 | 12 Dec 2012 | British | 63 years |
| Vyvyan Walter Rees | Director | 24 May 1996 | 22 Oct 2002 | British | 83 years |
| Vyvyan Walter Rees | Secretary | 24 May 1996 | 26 Nov 2002 | British | - |