| Adrian Roger Wyatt | Director | 7 Jun 1999 | 25 May 2012 | British | 77 years |
| Alfred Thomas Brooker | Director | 23 Oct 1997 | 7 Jun 1999 | British | - |
| Angus Alexander Dodd | Director | 27 Jun 2016 | 7 Nov 2019 | British | 58 years |
| Charlotte Ind Eastwood | Secretary | 23 Jul 2002 | 25 Oct 2004 | British | - |
| Daniel Mark Greenslade | Director | 31 Mar 2015 | 26 May 2015 | British | 49 years |
| David Nicholas Gavaghan | Director | 10 May 2010 | 16 Feb 2012 | British | 66 years |
| Edward Stratford Dugdale | Director | 7 Jun 1999 | 7 Oct 2002 | British | 66 years |
| Eric Fenton Sanderson | Director | 10 May 1992 | 7 Jun 1999 | British | 74 years |
| Eric Knight | Director | 30 May 1997 | 7 Jun 1999 | Italian | 66 years |
| Gail Robson Skeete | Secretary | 9 May 1998 | 31 Aug 1999 | British | - |
| Gail Robson Skeete | Secretary | 20 Oct 1999 | 30 May 2000 | British | - |
| Giorgio Arra | Director | 28 Jan 1998 | 7 Jun 1999 | Italian | 85 years |
| James Nicholas Lazarus | Director | 10 May 1992 | 27 Oct 2001 | British | 69 years |
| James Robert Clark | Director | 10 May 1992 | 7 Jun 1999 | British | 83 years |
| James Robert Hamilton Stubber | Director | 14 Oct 2002 | 17 Feb 2006 | British | 71 years |
| John Richard Parry | Director | 30 May 1997 | 7 Jun 1999 | British | 91 years |
| Jonathan Katz | Director | 3 Dec 1997 | 7 Jun 1999 | British | 75 years |
| Maxwell David Shaw James | Director | 16 Feb 2012 | 27 Jun 2016 | British | 58 years |
| Michael Ben Jenkins | Director | 13 Jan 2017 | 31 Dec 2020 | British | 53 years |
| Michael Edward Riley | Director | 13 Aug 2001 | 31 Jul 2002 | British | 65 years |
| Michael Raymond Dear | Director | 10 May 1992 | 23 Jan 1997 | British | 82 years |
| Mohammed Jassem Al-sager | Director | 1 Jul 1993 | 14 Mar 1995 | British | 74 years |
| Nicholas Simon Keith Shattock | Director | 7 Jun 1999 | 24 Mar 2011 | British | 66 years |
| Nigel George Ellis | Director | 7 Jun 1999 | 4 Sept 2007 | British | 86 years |
| Patrick Paul Hooper | Director | 10 May 1992 | 7 Jun 1999 | British | 77 years |
| Paul Hughes | Secretary | 7 Jun 1999 | 31 Jan 2000 | British | - |
| Peter Thomas Griffith Woolley | Director | 4 Jan 1993 | 31 Oct 1996 | British | 63 years |
| Peter Thomas Griffith Woolley | Secretary | 10 May 1992 | 31 Oct 1996 | British | - |
| Rebecca Jane Worthington | Director | 22 Aug 2001 | 31 Oct 2012 | British | 54 years |
| Rebecca Jane Worthington | Secretary | 20 Oct 1999 | 23 Jul 2002 | British | - |
| Richard James Stearn | Director | 1 Aug 2012 | 31 Mar 2015 | British | 57 years |
| Sandra Judith Odell | Secretary | 1 Jan 2013 | 5 Oct 2016 | - | - |
| Simon Geoffrey Carter | Director | 26 May 2015 | 13 Jan 2017 | British | 50 years |
| Susan Elizabeth Dixon | Secretary | 25 Oct 2004 | 1 Jan 2013 | British | - |
| Timothy David Gibson | Secretary | 31 Oct 1996 | 9 May 1998 | British | - |
| Tito Tettamanti | Director | 30 May 1997 | 7 Jun 1999 | Swiss | 95 years |
| Tonianne Dwyer | Director | 30 Nov 2006 | 16 Apr 2010 | Australian | 63 years |