| Alan Paul Busson | Secretary | 11 Apr 2006 | 29 Sept 2006 | British | - |
| Alasdair Christopher Gillies | Director | 11 Feb 2004 | 16 Jul 2004 | British | 68 years |
| Alasdair Christopher Gillies | Director | 9 Nov 2009 | 15 May 2013 | British | 68 years |
| Alexander Park Leitch | Director | 30 Oct 1992 | 1 Jul 1997 | British | 79 years |
| Amanda Louise Knott | Secretary | 29 Sept 2006 | 8 Sept 2014 | British | - |
| Andrew Ralph Humphries | Director | 6 Sept 2000 | 11 Oct 2000 | British | 62 years |
| Ann Claire Blundell | Secretary | 25 Jul 2013 | 8 Sept 2014 | - | - |
| Anthony Paul Kenmir | Director | 2 Dec 2009 | 30 Sept 2016 | British | 70 years |
| Charlotte Denise Murphy | Director | 2 May 2018 | 28 Mar 2022 | British | 44 years |
| Corina Katherine Ross | Secretary | 5 Dec 2008 | 25 Jul 2013 | British | - |
| Daniel John Pender | Director | 3 Aug 2012 | 1 Jul 2013 | British | 51 years |
| David Alan Seviour | Director | 6 Sept 2000 | 18 Nov 2002 | British | 90 years |
| David John Etherington | Director | 24 Sept 2003 | 31 Aug 2012 | British | 69 years |
| David Perrott Sims | Director | 24 Jun 2004 | 5 Nov 2004 | British | 68 years |
| David Perrott Sims | Director | 27 Jun 2005 | 1 Oct 2009 | British | 68 years |
| David Perrott Sims | Director | 1 Sept 2011 | 7 Jun 2012 | British | 68 years |
| David Ross Carrie | Director | 11 Feb 2004 | 16 Jul 2004 | United Kingdom | 62 years |
| Gary Paul John Shaughnessy | Director | 7 Jun 2012 | 2 Oct 2015 | British | 60 years |
| Heather Tait Daly | Director | 6 Sept 2000 | 21 Jun 2001 | British | 73 years |
| Helen Frances Leigh Rogers | Secretary | 14 Jul 2008 | 5 Dec 2008 | British | - |
| Ian Nicholas Lovett | Director | 20 Jun 1997 | 21 Jun 2001 | British | 82 years |
| Ian Ritchie | Secretary | 25 Jul 2013 | 8 Sept 2014 | - | - |
| James Douglas Sutherland | Director | 30 Sept 2016 | 20 Oct 2017 | British | 52 years |
| James Kingsley Reeve | Director | 8 Jan 2004 | 31 Mar 2004 | British | 69 years |
| James Richard Sykes | Director | 27 Jun 2005 | 23 Oct 2009 | British | 65 years |
| Jayne Michelle Meacham | Secretary | 1 Nov 2006 | 2 May 2008 | British | - |
| John Peter Gurney | Director | 30 Oct 1992 | 30 Dec 1995 | British | 90 years |
| Jonathan Vaughan-williams | Director | 1 Apr 2016 | 28 Apr 2017 | British | 59 years |
| Keith John Davies | Director | 14 Oct 1996 | 1 Jul 1997 | British | 79 years |
| Keith Reginald Baldwin | Director | 20 Jun 1997 | 31 Aug 2003 | British | 78 years |
| Kevin Hugh Ronaldson | Director | 20 Jun 1997 | 29 Feb 2004 | British | 68 years |
| Lawrence Churchill | Director | 5 Dec 2002 | 12 May 2004 | British | 80 years |
| Lily Olisa Holding | Secretary | 24 Jun 2004 | 8 Apr 2005 | British | - |
| Martin David Moule | Director | 24 Sept 2003 | 25 Apr 2005 | British | 71 years |
| Michael Andrew Ferns | Director | 20 Jun 1997 | 27 Jun 2005 | British | 62 years |
| Michael Joseph Brennan | Director | 1 Oct 2009 | 31 Aug 2011 | British Irish | 74 years |
| Neil James Evans | Director | 29 Jul 2014 | 31 Mar 2016 | British | 69 years |
| Nigel Lowe | Secretary | 8 Apr 2005 | 11 Apr 2006 | British | - |
| Oscar Clemente Tengtio | Director | 3 Jun 2009 | 3 Aug 2012 | American | 70 years |
| Paul Mcmahon | Director | 19 Sept 2000 | 18 Jun 2001 | British | 63 years |
| Paulus Van De Geijn | Director | 24 Jun 2004 | 27 Apr 2006 | Dutch | 80 years |
| Peter Charles Howe | Secretary | 30 Oct 1992 | 24 Jun 2004 | British | - |
| Peter Ellen | Director | 20 Jun 1997 | 18 Jun 2001 | British | 74 years |
| Phil Andrew Hodkinson | Director | 20 Jun 1997 | 22 Nov 2000 | British | 68 years |
| Philip Martin Lockyer | Director | 20 Jun 1997 | 31 Mar 1999 | British | 74 years |
| Raymond Greenshields | Director | 25 Jun 2001 | 14 Oct 2002 | Australian | 79 years |
| Richard David Freeman | Director | 6 Sept 2000 | 20 Jul 2001 | British | 72 years |
| Roger Frederick Swan | Director | 30 Oct 1992 | 1 Jul 1997 | British | 83 years |
| Roy Henry Morris | Director | 20 Jun 1997 | 7 Aug 2001 | British | 79 years |
| Stephen David John Rickards | Director | 8 Apr 2022 | 2 May 2024 | British | 66 years |
| Stephen James Leaman | Director | 5 Nov 2004 | 27 Jun 2005 | British | 79 years |
| Steven James Colsell | Director | 25 Jun 2001 | 30 Sept 2004 | British | 62 years |
| Timothy James Grant | Director | 30 May 2017 | 22 Aug 2023 | British | 62 years |
| Victoria Louise De Temple | Director | 13 Nov 2017 | 2 May 2018 | British | 48 years |
| Vincent John Jerrard | Director | 25 Jun 2001 | 14 Apr 2003 | British | 71 years |