| Alison Marie Dillon | Secretary | 14 Dec 2000 | 28 Feb 2002 | British | - |
| Andrew Robert Gray | Director | 20 May 2013 | 7 Aug 2015 | British | 62 years |
| Anne Vukomanovic | Director | 12 Jul 2012 | 21 May 2013 | British | 48 years |
| Barometers Limited | Corporate Director | 27 Jun 2011 | 12 Jul 2012 | United Kingdom | - |
| Brian Garton Jenkins | Director | 17 Dec 1996 | 11 May 2004 | British | 90 years |
| Bryan Charles Hines | Director | 17 Dec 1996 | 30 Sept 1998 | British | 93 years |
| Christopher Smith | Secretary | 17 Dec 1996 | 14 Dec 2000 | British | - |
| David Granger Ure | Director | 27 Jan 1998 | 25 Oct 2000 | British | 78 years |
| David Lawton Roberts | Director | 12 Feb 2002 | 11 May 2004 | British | 63 years |
| Gerald Nigel Mobbs | Director | 25 Oct 2000 | 24 Apr 2003 | British | 88 years |
| Gordon Borrie | Director | 17 Dec 1996 | 12 Apr 2000 | British | 94 years |
| Ian William Poston | Director | 2 May 2000 | 25 Oct 2000 | British | 70 years |
| James Michael Alexander Vallance | Director | 26 Nov 2010 | 20 May 2013 | British | 61 years |
| Jean Bernard Solandt | Director | 17 Dec 1996 | 22 Apr 1998 | French & British | 89 years |
| John Hudson Bushell | Director | 17 Dec 1996 | 15 Apr 1999 | British | 84 years |
| John Morrison Stewart | Director | 17 Dec 1996 | 27 Feb 2003 | British | 76 years |
| John Nelson | Director | 27 Jan 1998 | 25 Oct 2000 | British | 78 years |
| John Silvester Varley | Director | 25 Oct 2000 | 11 May 2004 | British | 69 years |
| Julie Margaret Baddeley | Director | 1 Jul 1998 | 25 Oct 2000 | British | 74 years |
| Kathryn Ann Singleton | Director | 26 Nov 2010 | 30 Sept 2011 | British | 54 years |
| Lawrence Charles Dickinson | Director | 11 May 2004 | 26 Nov 2010 | British | 68 years |
| Lynne Margaret Peacock | Director | 17 Dec 1996 | 31 Mar 2003 | British | 72 years |
| Matthew William Barrett | Director | 25 Oct 2000 | 11 May 2004 | British | 81 years |
| Nicholas Charles Jacques | Director | 20 May 2013 | 13 Jan 2016 | British | 50 years |
| Patrick Anthony Gonsalves | Director | 11 May 2004 | 26 Nov 2010 | British | 64 years |
| Patrick Anthony Gonsalves | Secretary | 28 Feb 2002 | 17 Oct 2006 | British | - |
| Peter Charles Burton | Director | 17 Dec 1996 | 17 Dec 1997 | British | 74 years |
| Peter Edward Middleton | Director | 25 Oct 2000 | 11 May 2004 | British | 91 years |
| Peter Lewis Gregson | Director | 3 Nov 1998 | 25 Oct 2000 | British | 89 years |
| Richard Henry Meddings | Director | 1 Jul 1999 | 25 Oct 2000 | British | 67 years |
| Robert Charles Hubert Jeens | Director | 17 Dec 1996 | 30 Jun 1999 | British | 72 years |
| Roger William John Davis | Director | 11 May 2004 | 8 Dec 2005 | British | 69 years |
| Stephen George Russell | Director | 27 Jan 1998 | 25 Oct 2000 | British | 80 years |
| Stephen George Russell | Director | 27 Feb 2003 | 11 May 2004 | British | 80 years |
| Steven Clutton | Director | 8 Dec 2005 | 15 Jun 2006 | British | 64 years |
| Susan Barbara Stanhope Homersham | Director | 17 Dec 1996 | 22 Apr 1998 | British | 82 years |
| William Hugh Yates | Director | 17 Dec 1996 | 25 Oct 2000 | British | 90 years |
| William Tudor John | Director | 2 May 2000 | 25 Oct 2000 | British | 81 years |