| Adrian Charles Harold Williams | Secretary | 8 Dec 2006 | 15 May 2007 | British | - |
| Amedee Raynald Philippe Bellerose | Director | 6 Sept 1992 | 31 Jul 1992 | Australian | 83 years |
| Andrew John Charles Mcbride | Director | 7 Sept 2005 | 1 Jan 2008 | British | 62 years |
| Andrew Timothy Lothian | Director | 13 Jun 2001 | 22 Oct 2001 | British | 66 years |
| Ashis Mathuradas Bathia | Director | 7 Sept 2005 | 2 Aug 2013 | British | 66 years |
| Bernard Mageean | Director | 11 Jun 2008 | 26 Nov 2010 | British | 70 years |
| Blair Milton Nicholls | Director | 11 Nov 2004 | 21 Nov 2006 | Australian | 59 years |
| Brian Raymond Cotterill | Director | 10 Mar 1998 | 16 Nov 1999 | Australian | 85 years |
| Brian Roy Smith | Director | 10 Mar 2005 | 8 Mar 2006 | British | 89 years |
| Brian Walter Pomeroy | Director | 26 Jan 2006 | 30 Sept 2014 | British | 82 years |
| Cheryl Karen Curtis | Director | 5 Feb 2013 | 31 May 2015 | British | 59 years |
| Christopher Rolleston | Director | 26 Jan 2006 | 31 Oct 2007 | British | 72 years |
| Christopher Thomas Killourhy | Director | 4 Feb 2021 | 12 Dec 2022 | British | 49 years |
| Colin Raymond O'farrell | Director | 1 Jan 2008 | 31 Dec 2020 | British | 62 years |
| David Andrew Constable | Director | 1 Jan 2008 | 10 Mar 2010 | British | 69 years |
| David Edward Cooney | Director | 7 Sept 2005 | 1 Jan 2008 | British | 63 years |
| David Glyn Eynon | Director | 7 Sept 2005 | 30 Nov 2006 | British | 60 years |
| David James Winkett | Director | 17 Sept 2004 | 4 Feb 2021 | British | 57 years |
| David Martin Siesko | Director | 5 Feb 2013 | 30 Jun 2013 | American | 65 years |
| David Sedgwick Hall | Director | 24 Nov 2014 | 29 Jun 2015 | British | 73 years |
| Desmond Fogarty | Director | 5 Oct 1999 | 30 Jun 2001 | Irish | 65 years |
| Desmond Fogarty | Director | 27 Nov 2001 | 11 Nov 2004 | Irish | 65 years |
| Dominic John Clayden | Director | 9 Dec 2013 | 29 Jun 2015 | British | 60 years |
| Doron Grossman | Director | 15 May 2007 | 10 Mar 2010 | Hungarian | 64 years |
| Douglas James Snoxhill | Director | 6 Sept 1992 | 1 May 1993 | British | 103 years |
| Edna Gayle Tollifson | Director | 13 Jun 2001 | 30 Apr 2004 | Australian | 72 years |
| Edwin John Cloney | Director | 6 Sept 1992 | 13 May 1998 | Australian | 86 years |
| Emilio Antonio Di Silvio | Director | 1 Jan 2008 | 10 Mar 2010 | Italian | 73 years |
| Esther Felton Smith | Secretary | 29 Jun 2015 | 26 Jun 2017 | - | - |
| Francis Michael O'halloran | Director | 6 Sept 1992 | 17 Aug 2012 | Australian | 80 years |
| Gordon Leslie Brown | Director | 6 Sept 1992 | 30 Jun 1999 | British | 93 years |
| Graeme Mark Connell | Director | 6 Sept 1992 | 13 Jan 1993 | British | 88 years |
| Graeme Scott Rayner | Director | 8 Mar 2006 | 10 Mar 2010 | British | 57 years |
| Gregory Hugh O'neill | Director | 30 Nov 1994 | 6 Jun 1996 | Australian | 78 years |
| Howard Michael Posner | Director | 8 Mar 2006 | 6 Jun 2012 | British | 70 years |
| Hugh Glen Pallot | Secretary | 24 Jul 1998 | 8 Dec 2006 | British | - |
| Ian David Beckerson | Director | 10 Mar 2005 | 29 Jun 2015 | British | 59 years |
| Joe Gordon | Director | 18 Oct 2013 | 29 Jun 2015 | British | 64 years |
| John David Neal | Director | 11 Nov 2004 | 18 Sept 2013 | British | 62 years |
| Jonathan Wyn Parry | Director | 7 Sept 2005 | 26 Jan 2006 | British | 63 years |
| Jonathan Wyn Parry | Director | 1 Jan 2008 | 29 Jun 2015 | British | 63 years |
| Kathryn Mary Lisson | Director | 1 Jun 2009 | 15 Feb 2011 | Canadian | 74 years |
| Malcolm Graham Mccaig | Director | 4 Apr 2014 | 30 Jun 2024 | British | 71 years |
| Martin Andrew Bower | Director | 13 Jan 1993 | 28 Feb 2001 | British | 80 years |
| Martin Andrew Bower | Secretary | 6 Sept 1992 | 16 Feb 1995 | British | - |
| Martin James Gilbert | Director | 22 Dec 2020 | 30 Jun 2021 | British | 71 years |
| Martin Paul Jackson | Director | 6 Sept 1992 | 2 Sept 1994 | British | 80 years |
| Mary Denise Greenhalgh | Secretary | 16 Feb 1995 | 6 Jan 1997 | British | - |
| Matthew Francis Crane | Director | 7 Sept 2005 | 10 Mar 2010 | British | 54 years |
| Michael Ferghal O'regan | Director | 5 Oct 1999 | 22 Oct 2004 | Irish | 64 years |
| Mohinder Singh Kang | Director | 11 Nov 2004 | 1 Jan 2008 | British | 64 years |
| Mohinder Singh Kang | Director | 1 Feb 2011 | 30 Jun 2012 | British | 64 years |
| Patrick Remi Corneel Coene | Director | 16 Nov 2011 | 18 Feb 2013 | Belgian | 72 years |
| Paul Edward Glen | Director | 7 Dec 2000 | 18 Oct 2004 | British | 66 years |
| Paul James Moss | Director | 27 Nov 2001 | 7 Sept 2005 | British | 76 years |
| Paul John Hosking | Director | 31 Oct 2001 | 31 Oct 2002 | British | 59 years |
| Peter Ernest Grove | Director | 11 Nov 2004 | 31 Dec 2013 | British | 77 years |
| Peter John O'neill | Director | 7 Sept 2005 | 11 Jun 2008 | British | 74 years |
| Philip Andrew Dodridge | Director | 7 Sept 2005 | 19 Dec 2016 | British | 58 years |
| Philip Vernon Olsen | Director | 10 Mar 2005 | 31 Dec 2014 | British | 81 years |
| Richard James Macgregor | Director | 5 Oct 1999 | 30 Jun 2001 | British | 68 years |
| Richard James Macgregor | Secretary | 6 Jan 1997 | 24 Jul 1998 | British | - |
| Richard Vaughan Pryce | Director | 3 Sept 2012 | 14 Dec 2020 | British | 67 years |
| Robert Bennet Marshall Johnston | Director | 10 Mar 2009 | 10 Mar 2010 | British | 74 years |
| Robert Michael Grant | Director | 13 Jan 1993 | 17 Oct 2000 | British | 73 years |
| Samuel Harrison | Director | 24 Nov 2020 | 1 Apr 2021 | British | 56 years |
| Sharon Maria Boland | Secretary | 15 May 2007 | 29 Jun 2015 | British | - |
| Steven Michael Price | Director | 13 Jun 2001 | 9 Aug 2005 | British | 67 years |
| Steven Paul Burns | Director | 17 Sept 2004 | 1 Oct 2013 | British | 68 years |
| Stuart William Sinclair | Director | 21 Nov 2013 | 6 May 2020 | British | 73 years |
| Terence James Whittaker | Director | 1 Jan 2008 | 29 Nov 2011 | British | 65 years |
| Timothy Charles William Ingram | Director | 21 Mar 2014 | 31 Mar 2023 | British | 79 years |
| Vincent Mclenaghan | Director | 21 Nov 2006 | 10 Mar 2010 | Australian | 67 years |
| Vincent Mclenaghan | Director | 10 Mar 2010 | 2 Sept 2010 | Australian | 67 years |
| Wai-fong Au | Director | 6 Jun 2012 | 30 Jun 2019 | British | 70 years |
| Wayne Lewis | Director | 31 Oct 2001 | 28 Sept 2004 | British | 68 years |