| Alan Michael Holland | Director | 23 Mar 2012 | 30 Jun 2023 | British | 51 years |
| Ann Octavia Peters | Director | 30 Jun 2015 | 31 Dec 2023 | British | 56 years |
| Brian Thomas | Director | 10 Dec 1993 | 2 Jun 1997 | British | 77 years |
| Brian Thomas | Secretary | 10 Dec 1993 | 3 Jan 1995 | British | - |
| David Crawford Bridges | Director | 19 Dec 2008 | 23 Mar 2012 | British | 58 years |
| David Richard Proctor | Director | 4 Oct 2012 | 30 Jun 2015 | British | 52 years |
| Elizabeth Ann Blease | Secretary | 19 Dec 2008 | 3 Nov 2021 | Other | - |
| Gareth John Osborn | Director | 19 Dec 2008 | 31 Dec 2019 | British | 63 years |
| Gerald Glasper | Director | 22 Oct 2004 | 2 Apr 2008 | British | 82 years |
| Harold Steven Gilbert | Director | 10 Jul 1991 | 3 Jan 1995 | Usa | 77 years |
| Ian Arthur Thomas Obe | Director | 12 Feb 2008 | 19 Dec 2008 | British | 79 years |
| James William Aleck Craddock | Director | 16 Mar 2020 | 31 Dec 2023 | British | 45 years |
| James William Frederick Mcnicoll | Director | 26 Feb 2004 | 22 Oct 2004 | British | 76 years |
| Julia Foo | Secretary | 3 Nov 2021 | 23 May 2023 | - | - |
| Keri Elizabeth White | Director | 1 Mar 2008 | 19 Dec 2008 | British | 55 years |
| Kevin John O'connor | Director | 19 Dec 2008 | 11 Sept 2009 | British | 64 years |
| Laurence Yolande Giard | Director | 4 Oct 2012 | 30 Jun 2015 | French | 55 years |
| Lawrence N Fisher | Secretary | 3 Apr 2000 | 16 Oct 2007 | British | - |
| Luis Martinez | Director | 1 Mar 2008 | 19 Dec 2008 | American | 75 years |
| Mark Strukelj | Director | 3 Jan 1995 | 9 Jun 1997 | American | 69 years |
| Mark Strukelj | Secretary | 3 Jan 1995 | 9 Jun 1997 | American | - |
| Maurice Johannes Kuitems | Director | 9 Jun 1997 | 19 Dec 2008 | Dutch | 65 years |
| Maurice Johannes Kuitems | Secretary | 9 Jun 1997 | 19 Dec 2008 | Dutch | - |
| Michael Joseph Mckee | Director | 7 Nov 2002 | 19 Dec 2008 | United States | 79 years |
| Michael Joseph Mckee | Secretary | 3 Apr 2000 | 19 Dec 2008 | United States | - |
| Michael Victor Morton | Director | 10 Nov 2006 | 19 Dec 2008 | British | 79 years |
| Nigel Leslie Hancock | Director | 24 May 1991 | 10 Dec 1993 | British | 85 years |
| Nigel Leslie Hancock | Secretary | 24 May 1991 | 10 Dec 1993 | British | - |
| Patrick Paul Flaherty | Director | 3 Apr 2000 | 12 Feb 2008 | British | 70 years |
| Paul Wiget | Director | 3 Jan 1995 | 3 Apr 2000 | Swiss | 82 years |
| Philip Anthony Redding | Director | 31 Aug 2010 | 4 Oct 2012 | British | 57 years |
| Richard Whaley Dean | Director | 24 May 1991 | 28 Jun 1991 | Usa | 83 years |
| Robin Krishnan Chopra | Director | 2 Jun 1997 | 1 Mar 2008 | British | 61 years |
| Simon Andrew Carlyon | Director | 7 Dec 2010 | 4 Oct 2012 | Australian | 52 years |
| Simon Christian Pursey | Director | 30 Jun 2015 | 16 Mar 2020 | British | 50 years |
| Stewart Alexander Thomson | Director | 24 May 1991 | 3 Jan 1995 | Canadian | 76 years |
| Vanessa Kate Simms | Director | 19 Dec 2008 | 21 Nov 2011 | British | 50 years |