| Alexander Park Leitch | Director | 27 Apr 2010 | 25 Jan 2012 | British | 78 years |
| Andrew Mark Parsons | Director | 5 Oct 2012 | 27 Jan 2014 | British | 60 years |
| Andrew Michael Peck | Director | 24 Jan 2008 | 25 Jan 2012 | British | 76 years |
| Archibald Gerard Kane | Director | 29 Jan 2009 | 19 May 2011 | British | 73 years |
| Brian Gammell Ivory | Director | 18 Jan 2002 | 30 Sept 2003 | British | 76 years |
| Brian James Duffin | Director | 24 Jan 2008 | 18 Jan 2010 | British | 70 years |
| Catriona Margaret Herd | Secretary | 25 Mar 2010 | 21 Jun 2012 | British | - |
| Christina Ann Hankin | Secretary | 11 Sept 2018 | 31 Dec 2019 | - | - |
| David Clarke | Secretary | 8 Jun 2015 | 11 Sept 2018 | - | - |
| David Spencer Boyle | Director | 12 Feb 2001 | 30 Sept 2003 | British | 83 years |
| Douglas Ferrans | Director | 18 Jan 2002 | 30 Sept 2003 | British | 71 years |
| Duncan George Robin Ferguson | Director | 26 Jun 2003 | 31 Dec 2007 | British | 83 years |
| Gillian Elizabeth Camm | Director | 20 Jan 1998 | 31 May 2001 | British | 66 years |
| Gregor Ninian Stewart | Director | 17 Jun 2011 | 5 Oct 2012 | British | 61 years |
| Gregory Miles Norton | Director | 4 Nov 2014 | 29 Mar 2019 | British | 57 years |
| Howard Julian Briggs | Secretary | 17 Feb 1997 | 17 Dec 1997 | British | - |
| Howard Michael Posner | Director | 18 Jan 2002 | 30 Sept 2003 | British | 69 years |
| Ian Henry Price | Director | 5 Dec 2018 | 9 Jul 2019 | British | 60 years |
| James Edward Clatworthy | Director | 24 Jan 2012 | 29 Feb 2016 | British | 58 years |
| James Masson Black | Director | 27 Jan 2014 | 29 Jun 2016 | British | 61 years |
| James Robert Crosby | Director | 17 Feb 1997 | 17 Dec 2001 | British | 69 years |
| Jeffrey Michael Blackburn | Director | 17 Feb 1997 | 16 Dec 1997 | British | 84 years |
| Jeremy Goford | Director | 27 Apr 2010 | 25 Jan 2012 | British | 80 years |
| Joanne Dawson | Director | 1 Mar 2006 | 23 Mar 2009 | British | 63 years |
| John Austin Hungerford Leigh Hoskyns | Director | 16 Dec 1997 | 23 Apr 1998 | British | 98 years |
| John Lockhart Wood | Director | 16 Dec 1997 | 27 Apr 2000 | British | 90 years |
| John Mark Phythian | Director | 9 Jul 2019 | 4 Aug 2021 | British | 45 years |
| John Neil Maclean | Director | 18 Jan 2002 | 24 Mar 2005 | British | 81 years |
| John Patrick Hiew | Director | 1 Oct 2003 | 28 Sept 2005 | British | 61 years |
| John Russell Rees | Director | 16 Dec 1997 | 23 Apr 1998 | British | 97 years |
| John Spellman | Director | 17 Oct 2005 | 8 Sept 2006 | British | 59 years |
| John Stephen Edwards | Director | 20 Jan 1998 | 31 Mar 2006 | British | 70 years |
| John Van Der Wielen | Director | 29 Jan 2009 | 25 Mar 2010 | Australian | 59 years |
| Kathleen Anne Nealon | Director | 24 Mar 2005 | 31 Dec 2007 | American | 72 years |
| Keith William Abercromby | Director | 18 Jan 2002 | 17 Oct 2005 | British | 61 years |
| Kerr Luscombe | Director | 6 Apr 2010 | 25 May 2011 | British | 60 years |
| Malachy Paul Smith | Director | 1 Apr 1998 | 17 Dec 2001 | Irish | 77 years |
| Malachy Paul Smith | Director | 14 Oct 2005 | 31 Dec 2007 | Irish | 77 years |
| Malcolm Argent | Director | 16 Dec 1997 | 17 Dec 2001 | British | 90 years |
| Marie Elaine Williams | Director | 22 Apr 2016 | 5 Dec 2018 | British | 46 years |
| Michael Christophers | Director | 6 Oct 2005 | 25 Jan 2012 | British | 83 years |
| Michael Rodney Newton Moore | Director | 16 Dec 1997 | 31 Dec 2007 | British | 89 years |
| Michael Stuart Robinson | Director | 1 Oct 2003 | 28 Sept 2005 | British | 61 years |
| Norval Mackenzie Bryson | Director | 27 Apr 2010 | 25 Jan 2012 | British | 76 years |
| Patrick Nigel Christopher Gale | Director | 24 Jan 2008 | 31 Dec 2009 | British | 65 years |
| Paul Gerard Mcnamara | Director | 30 Nov 2005 | 30 Jun 2007 | Irish | 59 years |
| Paul Russell Moore | Director | 15 Aug 2002 | 30 Sept 2003 | United Kingdom | 67 years |
| Peter John Veale | Secretary | 4 Aug 2000 | 23 Mar 2009 | British | - |
| Peter Louis Michael Sherwood | Director | 16 Dec 1997 | 31 Dec 2004 | British | 84 years |
| Phil Andrew Hodkinson | Director | 17 Dec 2001 | 28 Jul 2005 | British | 67 years |
| Philip Duncan Loney | Director | 25 Mar 2010 | 27 Sept 2011 | British | 61 years |
| Ralph Nicholas Quartano | Director | 16 Dec 1997 | 23 Apr 1998 | British Greek | 98 years |
| Raymond John Hildreth Milne | Director | 1 Oct 2003 | 30 Jun 2007 | British | 66 years |
| Robert Alan Devey | Director | 17 Oct 2005 | 1 Jun 2006 | British | 57 years |
| Robert Alan Devey | Director | 10 Oct 2006 | 23 Mar 2009 | British | 57 years |
| Robert Philippe Walther | Director | 16 Dec 1997 | 31 Oct 2001 | British | 82 years |
| Roland Gordon Ward | Director | 16 Dec 1997 | 27 Mar 2003 | British | 80 years |
| Ross Gardiner | Director | 30 Nov 2022 | 28 Nov 2024 | British | 50 years |
| Sally Mayer | Secretary | 23 Mar 2009 | 25 Mar 2010 | Other | - |
| Sally Mayer | Secretary | 21 Jun 2012 | 29 May 2015 | - | - |
| Sean William Lowther | Director | 28 Jun 2016 | 31 Dec 2022 | British | 65 years |
| Sophie Alexandra Comer | Director | 31 Dec 2022 | 28 Nov 2024 | British | 39 years |
| Stephen James Mcgee | Director | 5 Oct 2012 | 4 Nov 2014 | British | 52 years |
| Steven James Colsell | Director | 17 Aug 2006 | 23 Mar 2009 | British | 61 years |
| Susan Annabel Margaret Fogarty | Secretary | 17 Dec 1997 | 4 Aug 2000 | British | - |
| Thomas Woolgrove | Director | 1 Jun 2006 | 30 Jun 2007 | British | 55 years |
| Trevor Anthony Leonard | Director | 17 Oct 2005 | 5 Apr 2010 | United Kingdom | 66 years |
| Victoria Flenk | Director | 4 Aug 2021 | 30 Nov 2022 | British | 41 years |
| William Anthony Beadle | Director | 17 Oct 2005 | 17 Aug 2006 | British | 76 years |