| Andrew Hedley Hornby | Director | 1 May 2000 | 6 Feb 2002 | British | 59 years |
| Andrew Howard Jacobs | Director | 1 Aug 1995 | 21 Aug 2000 | British | 74 years |
| Andrew Mark Parsons | Director | 5 Oct 2012 | 27 Jan 2014 | British | 61 years |
| Arthur Selman | Director | 14 Apr 1998 | 6 Feb 2002 | British | 80 years |
| Charles Stephen Cockroft | Secretary | 26 Jun 1992 | 30 Sept 1994 | British | - |
| David Calvert Eastham | Director | 1 Jul 1994 | 1 Aug 1995 | British | 80 years |
| David Gilchrist | Director | 26 Jun 1992 | 1 Jul 1994 | British | 87 years |
| Donald James Mcpherson | Secretary | 1 Oct 1994 | 5 Sept 1995 | British | - |
| Donald James Mcpherson | Secretary | 27 Oct 2000 | 16 Nov 2001 | British | - |
| Gregor Ninian Stewart | Director | 26 May 2011 | 5 Oct 2012 | British | 62 years |
| Gregory Miles Norton | Director | 4 Nov 2014 | 29 Mar 2019 | British | 58 years |
| Grenville John Folwell | Director | 26 Jun 1992 | 1 Jul 1994 | British | 83 years |
| Ian Henry Price | Director | 5 Dec 2018 | 9 Jul 2019 | British | 61 years |
| James Drake Birrell | Director | 26 Jun 1992 | 17 Aug 1993 | British | 93 years |
| James Edward Clatworthy | Director | 1 Jan 2011 | 29 Feb 2016 | British | 59 years |
| James Edward Rowlands | Director | 4 Aug 2021 | 28 Nov 2024 | British | 51 years |
| James Masson Black | Director | 27 Jan 2014 | 29 Jun 2016 | British | 62 years |
| James Robert Crosby | Director | 28 Feb 1994 | 31 Dec 1998 | British | 70 years |
| Jeffrey Michael Blackburn | Director | 21 Jul 1993 | 1 Jul 1994 | British | 85 years |
| Joanne Dawson | Director | 6 Feb 2002 | 30 Jun 2003 | British | 64 years |
| John Alan Snowball | Director | 1 Jul 1994 | 1 Aug 1995 | British | 76 years |
| John Mark Phythian | Director | 9 Jul 2019 | 4 Aug 2021 | British | 46 years |
| John Michael Butler | Secretary | 1 Mar 2003 | 28 Dec 2007 | British | - |
| John Van Der Wielen | Director | 30 Jun 2009 | 28 May 2010 | Australian | 60 years |
| Keith William Abercromby | Director | 21 Aug 2000 | 17 Oct 2005 | British | 62 years |
| Kerr Luscombe | Director | 28 May 2010 | 25 May 2011 | British | 61 years |
| Marie Elaine Williams | Director | 10 Mar 2016 | 5 Dec 2018 | British | 47 years |
| Mark Ralph Cornwall Jones | Director | 26 Jun 1992 | 8 Jun 1994 | British | 93 years |
| Michael Fearnsides | Director | 26 Jun 1992 | 30 Jun 1994 | British | 90 years |
| Michael Henry Ellis | Director | 1 Jan 1999 | 6 Feb 2002 | British | 75 years |
| Mohammed Bilal Bhutta | Director | 31 Dec 2022 | 28 Nov 2024 | British | 47 years |
| Peter John Roney | Director | 26 Jun 1992 | 28 Nov 1994 | British | 77 years |
| Raymond John Hildreth Milne | Director | 6 Feb 2002 | 30 Jun 2003 | British | 67 years |
| Richard George Myers | Director | 7 Sept 2001 | 14 Apr 2008 | British | 69 years |
| Robert Keith Moorhouse | Secretary | 16 Nov 2001 | 1 Mar 2003 | British | - |
| Sean William Lowther | Director | 28 Jun 2016 | 31 Dec 2022 | British | 66 years |
| Simon Nicholas Waite | Secretary | 5 Sept 1995 | 27 Oct 2000 | British | - |
| Stephen James Mcgee | Director | 5 Oct 2012 | 4 Nov 2014 | British | 53 years |
| Steven James Colsell | Director | 5 Oct 2006 | 30 Jun 2009 | British | 62 years |
| Trevor Anthony Leonard | Director | 14 Apr 2008 | 31 Dec 2010 | United Kingdom | 67 years |
| William Anthony Beadle | Director | 1 Jul 1994 | 6 Feb 2002 | British | 77 years |
| William Anthony Beadle | Director | 17 Oct 2005 | 5 Oct 2006 | British | 77 years |