| Adam Charles Little | Director | 22 Dec 2004 | 1 Aug 2007 | British | 75 years |
| Adriano Bastos | Director | 1 Jul 2020 | 1 Aug 2022 | Brazilian | 62 years |
| Adrienne Christine Tallents | Director | 9 Dec 1994 | 31 Jul 1999 | British | 79 years |
| Alan Morrison Jones | Director | 1 Jul 1998 | 30 Apr 2000 | British | 82 years |
| Alan Philip Martin | Director | 18 May 2011 | 1 Oct 2015 | British | 55 years |
| Byron Elmer Grote | Director | 12 Mar 1996 | 1 Jul 1997 | British | 78 years |
| Christopher Kuangcheng Gerald Eng | Secretary | 23 Mar 2009 | 30 Jun 2010 | - | - |
| Darryl Keith Willis | Director | 1 Feb 2015 | 1 Mar 2017 | American | 57 years |
| David Alan Rider | Director | 1 Dec 2014 | 15 Mar 2020 | British | 62 years |
| David Christopher Allen | Director | 1 Sept 1997 | 28 Feb 1999 | British | 72 years |
| David Geoffrey Philip Eyton | Director | 1 Jun 1999 | 1 Dec 1999 | British | 65 years |
| Douglas Patrick Chapman | Director | 17 Jul 1992 | 5 Dec 1992 | British | 76 years |
| Hiten Jekisandas Mehta | Director | 1 Aug 2022 | 16 Mar 2023 | American | 58 years |
| Howard John Mayson | Director | 1 Oct 1998 | 1 Dec 2000 | British & Usa | 74 years |
| Ian Roland Vann | Director | 5 Dec 1992 | 1 Sept 1995 | British | 78 years |
| Jack Emitt Golden | Director | 1 Mar 1999 | 20 Sept 1999 | U.s. Citizen | 78 years |
| James Henry Dupree | Director | 1 Nov 2006 | 1 May 2007 | Us Citizen | 66 years |
| James Stephen Blythe | Director | 4 May 2011 | 1 Dec 2014 | British | 71 years |
| Jan Clayton Lyons | Director | 1 Oct 2020 | 6 Apr 2021 | American | 61 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 | 8 Jul 2015 | 1 Jan 2016 | British | 73 years |
| John Stephen Walker | Director | 5 Dec 1992 | 9 Dec 1994 | British | 79 years |
| Joseph Hugh Bryant | Director | 1 Sept 2001 | 1 Sept 2004 | Us Citizen | 71 years |
| Julian John Watts | Secretary | 16 Apr 1992 | 5 Dec 1992 | New Zealand | - |
| Karen Maclennan | Director | 15 Mar 2020 | 1 Aug 2022 | British | 55 years |
| Kevin Hostler | Director | 1 May 2000 | 31 Aug 2001 | Us Citizen | 71 years |
| Lindsay Ann Whiting | Director | 6 Apr 2021 | 1 Aug 2022 | British | 45 years |
| Mark Robert Bly | Director | 1 Sept 2001 | 3 Feb 2003 | Us Citizen | 67 years |
| Mark Traill Bentley | Director | 16 Apr 1992 | 17 Jul 1992 | British | 91 years |
| Martyn Morris | Director | 1 Nov 2010 | 1 Feb 2015 | British | 70 years |
| Mary Louise Shafer Malicki | Director | 15 May 2007 | 1 Feb 2009 | American | 66 years |
| Michael Stephen Fidler | Director | 16 Mar 2023 | 24 Sept 2025 | British | 51 years |
| Nicolo' Aggogeri | Director | 1 Aug 2022 | 5 Apr 2023 | Italian | 52 years |
| Philip Duncan Hemmens | Secretary | 2 Mar 2023 | 2 Jul 2024 | - | - |
| Ralph Charles Alexander | Director | 1 Sept 2001 | 1 Jun 2002 | American | 71 years |
| Richard Charles Grayson | Director | 16 Apr 1992 | 5 Dec 1992 | British | 85 years |
| Richard Herbert | Director | 1 Oct 2015 | 27 May 2016 | British | 68 years |
| Richard Herbert | Director | 1 Mar 2001 | 31 Aug 2001 | British | 68 years |
| Robert Cameron Cumming | Secretary | 5 Dec 1992 | 31 Mar 2002 | British | - |
| Robert Carl Fearnley | Director | 1 Aug 2007 | 4 May 2011 | British | 63 years |
| Robert Thomas Fryar | Director | 1 Feb 2009 | 18 May 2011 | American | 63 years |
| Robert Warren Dudley | Director | 1 Aug 2002 | 1 Mar 2003 | British | 71 years |
| Robin Dale Morris | Director | 1 Aug 2002 | 3 Feb 2003 | British | 80 years |
| Roy Leslie Tooley | Secretary | 11 Feb 2002 | 1 Aug 2004 | British | - |
| Samuel Arnold David Bamford | Director | 1 Sept 1995 | 31 Aug 1998 | British | 80 years |
| Sandra Jean Macrae | Director | 1 Jan 2016 | 28 Aug 2020 | British | 63 years |
| Scott Douglas Urban | Director | 10 Sept 1999 | 31 Aug 2001 | American | 73 years |
| Stephen Marshall | Director | 1 May 2000 | 31 Aug 2001 | British | 72 years |
| Stephen Willis | Director | 1 May 2017 | 1 Jul 2020 | British | 64 years |
| Sunbury Secretaries Limited | Corporate Secretary | 1 Jul 2010 | 1 Aug 2022 | United Kingdom | - |
| William George Schrader | Director | 1 Sept 2004 | 1 Nov 2006 | United States | 68 years |
| Yasin Stanley Ali | Secretary | 1 Feb 2006 | 30 Jun 2010 | Other | - |
