| Angus Howard Fletcher | Director | 14 Jul 1999 | 28 Feb 2011 | British | 76 years |
| Anthony Alexander Preiskel | Director | 25 Sept 2002 | 3 Apr 2009 | British | 79 years |
| Bernadette Allinson | Secretary | 29 Sept 2006 | 22 Mar 2008 | Other | - |
| Cynthia Mary Coombe | Secretary | 20 Oct 2010 | 28 Jul 2014 | - | - |
| David John Nicholson | Secretary | 22 Mar 2008 | 20 Oct 2010 | Other | - |
| Edmund Kenneth Wyatt | Secretary | 24 May 1991 | 31 Jul 1993 | British | - |
| Guat Hoon (known As Christina) Ong | Director | 20 Jul 2015 | 10 Oct 2016 | Singaporean | 59 years |
| Ian Gregory Howie Barnett | Director | 16 Dec 2003 | 31 Dec 2014 | British | 76 years |
| John Huxley Fordyce Anderson | Director | 24 May 1991 | 23 Dec 1992 | British | 81 years |
| John Richard Ashurst | Secretary | 31 Jul 1993 | 12 Dec 2000 | British | - |
| John Richard Ashurst | Secretary | 31 Jul 1993 | 30 Oct 2002 | British | - |
| John Williamson Melville | Director | 24 May 1991 | 25 Sept 2002 | British | 77 years |
| Peter Francis Thomas Bromwich | Director | 24 May 1991 | 7 Feb 2000 | British | 92 years |
| Philip Alwyn Bignell | Director | 16 Dec 2003 | 29 Sept 2006 | British | 73 years |
| Philip Alwyn Bignell | Secretary | 30 Oct 2002 | 29 Sept 2006 | British | - |
| Rashidi Olugbenga Keshiro | Director | 3 Apr 2009 | 9 Apr 2018 | British | 60 years |
| Raymond Antony Knight | Director | 24 May 1991 | 16 Dec 2003 | British | 83 years |
| Robert George Ferguson | Director | 24 May 1991 | 31 Jul 1999 | British | 87 years |
| Ronald George Jennings | Director | 24 May 1991 | 23 Dec 1992 | British | 97 years |
| Timothy John Randolph Harding | Director | 24 May 1991 | 12 Dec 2000 | British | 86 years |