| Aileen Norma Taylor | Director | 27 Apr 2010 | 27 Jun 2012 | British | 54 years |
| Alan Wallace Mckean | Director | 19 May 1999 | 30 Sept 1999 | British | 72 years |
| Cormac Michael Mccarthy | Director | 27 Apr 2010 | 8 Apr 2011 | Irish | 64 years |
| Deborah Susan Esslemont | Secretary | 19 Dec 2000 | 12 Mar 2010 | British | - |
| Eric George William Tough | Director | 19 May 1999 | 30 Sept 1999 | British | 69 years |
| Frederick Anderson Goodwin | Director | 19 Jul 1999 | 16 Jan 2009 | British | 68 years |
| Frederick Inglis Watt | Director | 7 Nov 2002 | 31 Jan 2006 | British | 66 years |
| Gary Robert Mcneilly Stewart | Director | 27 Jun 2012 | 11 Feb 2014 | British | 60 years |
| George Ross Mathewson | Director | 19 Jul 1999 | 7 Nov 2002 | British | 86 years |
| Gordon Francis Pell | Director | 7 Nov 2002 | 31 Mar 2010 | British | 76 years |
| Guy Robert Whittaker | Director | 16 Jan 2009 | 30 Sept 2009 | British | 70 years |
| Hew Campbell | Director | 19 May 1999 | 30 Sept 1999 | British | 64 years |
| Iain Samuel Robertson | Director | 19 Jul 1999 | 7 Nov 2002 | British | 81 years |
| Ian Hugh Chippendale | Director | 19 Jul 1999 | 7 Nov 2002 | British | 77 years |
| John Donald Black Workman | Director | 19 Mar 2015 | 12 Aug 2016 | British | 74 years |
| John James Cummins | Director | 19 Mar 2015 | 30 Dec 2016 | British | 64 years |
| John Napier Allan | Director | 19 Jul 1999 | 31 Jan 2009 | British | 79 years |
| Lawrence Kingsbaker Fish | Director | 19 Jul 1999 | 31 Dec 2008 | American | 82 years |
| Miller Roy Mclean | Director | 19 Jul 1999 | 30 Apr 2010 | British | 77 years |
| Nayan Vithaldas Kisnadwala | Director | 2 Jul 2010 | 30 Jan 2014 | American | 66 years |
| Nicholas Rory Tapner | Director | 8 Apr 2011 | 13 Mar 2015 | British | 67 years |
| Norman Cardie Mcluskie | Director | 19 Jul 1999 | 23 Aug 2004 | British | 82 years |
| Richard David Kibble | Director | 11 Feb 2014 | 3 Nov 2016 | British | 58 years |
| Robert Begbie | Director | 30 Dec 2016 | 16 Sept 2021 | British | 65 years |
| Rory Malcolm Cullinan | Director | 11 Feb 2014 | 30 Mar 2015 | British | 67 years |
| Scott Mcfarlane Thomson | Director | 3 Nov 2016 | 25 Jan 2022 | British | 55 years |
| Shirley Margaret Macgillivray | Secretary | 19 May 1999 | 19 Dec 2000 | British | - |
| Simon Jeremy Glass | Director | 27 Oct 2009 | 2 Jul 2010 | British | 64 years |
| Yvonne Addison | Secretary | 12 Mar 2010 | 11 Feb 2014 | - | - |