| Adam Charles Little | Director | 1 Jan 1997 | 20 May 1997 | British | 75 years |
| Adrienne Christine Tallents | Director | 16 Sept 1996 | 31 Jul 1999 | British | 79 years |
| Amanda Jane Durrant | Director | 1 Jan 1997 | 27 Feb 1998 | British | 67 years |
| Andrew Paul Hopwood | Director | 1 Mar 1999 | 30 Jun 2000 | British | 68 years |
| Anthony Bryan Hayward | Director | 1 Mar 1999 | 31 Aug 2000 | British | 69 years |
| Brian Michael Puffer | Director | 3 Sept 2013 | 6 Feb 2018 | British,american | 57 years |
| Byron Elmer Grote | Director | 16 Sept 1996 | 1 Jul 1997 | British | 78 years |
| Charles Joseph Pitman | Director | 1 Mar 1999 | 31 Aug 1999 | United States | 84 years |
| Christopher Kuangcheng Gerald Eng | Secretary | 23 Mar 2009 | 30 Jun 2010 | - | - |
| David Christopher Allen | Director | 1 Sept 1997 | 28 Feb 1999 | British | 72 years |
| David Keith Woodward | Director | 1 Sept 2001 | 10 Nov 2006 | British | 80 years |
| Elaine Patricia Skinner-reid | Director | 30 Sept 2020 | 14 Jan 2022 | Irish | 51 years |
| Gordon Young Birrell | Director | 1 Jul 2000 | 31 Aug 2001 | British | 63 years |
| Gordon Young Birrell | Director | 15 Nov 2012 | 2 Apr 2017 | British | 63 years |
| Ian Douglas Forbes | Director | 27 Feb 1998 | 28 Feb 1999 | British | 76 years |
| Janet Elvidge | Secretary | 1 Aug 2004 | 1 Feb 2006 | Other | - |
| John Edward Lynch Jr | Director | 1 Mar 2003 | 1 Aug 2006 | American | 74 years |
| John Harold Bartlett | Director | 20 May 1997 | 27 Feb 2012 | British | 73 years |
| Michael George Shearman | Director | 31 Jan 1997 | 28 Feb 1999 | British | 82 years |
| Michael James Skitmore | Director | 1 May 2005 | 2 May 2009 | British | 71 years |
| Rashid Djamil Oglu Djevanshir | Director | 1 Mar 1999 | 30 Dec 2001 | Azerbaijan | 75 years |
| Rashid Jamil Oglu Javanshir | Director | 2 May 2009 | 15 Nov 2012 | Azerbaijani | 75 years |
| Richard Leon Paniguian | Director | 1 Dec 1999 | 1 Jan 2008 | British | 77 years |
| Robert Cameron Cumming | Director | 3 Jul 1996 | 16 Sept 1996 | British | 77 years |
| Robert Cameron Cumming | Secretary | 3 Jul 1996 | 31 Mar 2002 | British | - |
| Robert David Kelly | Director | 1 Jan 2002 | 1 May 2005 | British | 62 years |
| Robert Gary Jones | Director | 2 Apr 2017 | 1 Oct 2025 | British | 66 years |
| Robin Dale Morris | Director | 1 Sept 2001 | 3 Feb 2003 | British | 80 years |
| Roy Leslie Tooley | Secretary | 11 Feb 2002 | 1 Aug 2004 | British | - |
| Sandra Jean Macrae | Director | 27 Feb 2012 | 1 Jan 2016 | British | 63 years |
| Steven Weston | Director | 3 Jul 1996 | 16 Sept 1996 | British | 73 years |
| Trine Lise Juliussen | Director | 10 Mar 2020 | 30 Sept 2020 | Norwegian | 45 years |
| Trine Lise Juliussen | Director | 14 Jan 2022 | 1 Oct 2025 | Norwegian | 45 years |
| William George Schrader | Director | 10 Nov 2006 | 10 Nov 2006 | United States | 68 years |
| Yasin Stanley Ali | Secretary | 1 Feb 2006 | 30 Jun 2010 | Other | - |
