| Adam Charles Little | Director | 9 Dec 1994 | 20 May 1997 | British | 75 years |
| Adrienne Christine Tallents | Director | 9 Dec 1994 | 31 Jul 1999 | British | 79 years |
| Andrew George Inglis | Director | 1 Feb 2001 | 31 Aug 2001 | British | 67 years |
| Anne Drinkwater | Director | 1 Jan 2008 | 31 Dec 2008 | British | 70 years |
| Anthony Bryan Hayward | Director | 1 Mar 1999 | 31 Aug 2000 | British | 69 years |
| Charles Joseph Pitman | Director | 1 Mar 1999 | 31 Aug 1999 | United States | 84 years |
| Christopher Kuangcheng Gerald Eng | Secretary | 18 May 2009 | 30 Jun 2010 | Other | - |
| David Christopher Allen | Director | 1 Sept 1997 | 28 Feb 1999 | British | 72 years |
| George Leslie Wood | Director | 1 Mar 2012 | 31 Jan 2014 | British | 64 years |
| Guillermo Quintero Ordonez | Director | 1 Sept 2009 | 16 Mar 2010 | Venezuelan | 69 years |
| Janet Elvidge | Secretary | 1 Aug 2004 | 1 Feb 2006 | Other | - |
| John Harold Bartlett | Director | 20 May 1997 | 1 Jan 2016 | British | 73 years |
| John Myers | Director | 1 Jan 2016 | 29 Jul 2021 | British | 59 years |
| Michael Christopher Daly | Director | 1 Sept 2000 | 1 May 2006 | British | 73 years |
| Michael Edmund Townshend | Director | 1 Apr 2009 | 1 Sept 2009 | British | 68 years |
| Mohamed Wagih Shindy | Director | 16 Mar 2010 | 1 Mar 2012 | American | 53 years |
| Nigel John Newby | Director | 1 Nov 1992 | 9 Dec 1994 | British | 78 years |
| Nigel Johnson Goddard | Director | 20 Nov 1998 | 1 Sept 2000 | British | 77 years |
| Paul Alan Hughes | Director | 27 Mar 2014 | 28 Sept 2015 | British | 59 years |
| Richard Lake Olver | Director | 12 Mar 1996 | 31 Aug 1997 | British | 79 years |
| Richard Leon Paniguian | Director | 1 Dec 1999 | 1 Jan 2008 | British | 77 years |
| Robert Cameron Cumming | Secretary | 1 Nov 1992 | 31 Mar 2002 | British | - |
| Roy Leslie Tooley | Secretary | 11 Feb 2002 | 1 Aug 2004 | British | - |
| Steven Graham Peacock | Director | 1 May 2006 | 1 Apr 2009 | British | 69 years |
| Tamara Amanda Khan | Director | 1 Dec 2021 | 22 May 2024 | Trinidadian | 54 years |
| Wreford Timothy John Digings | Director | 1 Nov 1992 | 20 Nov 1998 | British | 77 years |
| Yasin Stanley Ali | Secretary | 1 Feb 2006 | 30 Jun 2010 | Other | - |
