| Alan Peter Dickinson | Director | 8 Sept 2014 | 16 May 2024 | British | 76 years |
| Alexander Park Leitch | Director | 16 Jan 2009 | 29 Feb 2012 | British | 79 years |
| Andrew Hedley Hornby | Director | 17 Sept 2007 | 16 Jan 2009 | British | 59 years |
| Anita Margaret Frew | Director | 1 Dec 2010 | 21 May 2020 | British | 69 years |
| Anthony John Hobson | Director | 17 Sept 2007 | 16 Jan 2009 | British | 79 years |
| Anthony Watson | Director | 2 Apr 2009 | 11 May 2017 | British | 81 years |
| António Mota De Sousa Horta-osório | Director | 17 Jan 2011 | 30 Apr 2021 | Portuguese | 62 years |
| Archibald Gerard Kane | Director | 16 Jan 2009 | 18 May 2011 | British | 74 years |
| Carolyn Julia Mccall | Director | 16 Jan 2009 | 31 Dec 2009 | British | 65 years |
| Carolyn Julie Fairbairn | Director | 1 Jun 2012 | 31 Oct 2015 | British | 66 years |
| Charles William Dunstone | Director | 17 Sept 2007 | 29 Apr 2008 | British | 62 years |
| Claire Anne Davies | Secretary | 1 Aug 2012 | 31 Dec 2013 | - | - |
| Colin Matthew | Director | 17 Sept 2007 | 16 Jan 2009 | British | 76 years |
| Coline Lucille Mcconville | Director | 17 Sept 2007 | 16 Jan 2009 | Australian | 62 years |
| Daniel John Watkins | Director | 17 Sept 2007 | 8 Apr 2009 | British | 64 years |
| David Geoffrey Manning | Director | 16 Jan 2009 | 2 Nov 2009 | British | 77 years |
| David Lawton Roberts | Director | 1 Mar 2010 | 14 May 2014 | British | 64 years |
| Deborah Doyle Mcwhinney | Director | 1 Dec 2015 | 31 Dec 2018 | American | 71 years |
| Dyfrig Dafydd Joseff John | Director | 1 Jan 2014 | 11 May 2016 | British | 76 years |
| Ewan Brown | Director | 16 Jan 2009 | 5 Jun 2009 | British | 84 years |
| George Truett Tate | Director | 16 Jan 2009 | 6 Feb 2012 | American | 76 years |
| Glen Richard Moreno | Director | 1 Mar 2010 | 17 May 2012 | American/british | 83 years |
| Harold Francis Baines | Secretary | 17 Sept 2007 | 1 Aug 2012 | British | - |
| Helen Alison Weir | Director | 16 Jan 2009 | 18 May 2011 | British | 64 years |
| Henry Dennistoun Stevenson | Director | 17 Sept 2007 | 16 Jan 2009 | British | 81 years |
| Jan Petrus Du Plessis | Director | 16 Jan 2009 | 17 Apr 2009 | South African/british | 72 years |
| Joanne Dawson | Director | 17 Sept 2007 | 8 Apr 2009 | British | 64 years |
| John Edward Mack | Director | 17 Sept 2007 | 16 Jan 2009 | American | 79 years |
| John Eric Daniels | Director | 16 Jan 2009 | 28 Feb 2011 | American/british | 75 years |
| Juan Colombás Calafat | Director | 29 Nov 2013 | 18 Sept 2020 | Spanish | 64 years |
| Julian Michael Horn-smith | Director | 16 Jan 2009 | 17 May 2012 | British | 78 years |
| Karen Elisabeth Dind Jones | Director | 17 Sept 2007 | 16 Jan 2009 | British | 70 years |
| Kathleen Anne Nealon | Director | 17 Sept 2007 | 16 Jan 2009 | American | 73 years |
| Lord (james Roger Crompton) Lupton | Director | 1 Jun 2017 | 16 May 2024 | British | 71 years |
| Lord (norman Roy) Blackwell | Director | 1 Jun 2012 | 1 Jan 2021 | British | 74 years |
| Malcolm James Wood | Secretary | 3 Nov 2014 | 30 Jun 2019 | - | - |
| Marc-john Boston | Secretary | 1 Jan 2014 | 2 Nov 2014 | - | - |
| Mark George Culmer | Director | 16 May 2012 | 1 Aug 2019 | British | 64 years |
| Martin Anthony Scicluna | Director | 16 Jan 2009 | 31 Mar 2013 | British | 76 years |
| Maurice Victor Blank | Director | 16 Jan 2009 | 15 Sept 2009 | British | 84 years |
| Michael Henry Ellis | Director | 25 Sept 2007 | 16 Jan 2009 | British | 75 years |
| Nicholas Edward Tucker Prettejohn | Director | 23 Jun 2014 | 30 Sept 2021 | British | 66 years |
| Nicholas Lawrence Luff | Director | 5 Mar 2013 | 10 May 2017 | British | 59 years |
| Peter Joseph Cummings | Director | 17 Sept 2007 | 16 Jan 2009 | British | 71 years |
| Philip Allan Gore-randall | Director | 17 Sept 2007 | 8 Apr 2009 | British | 74 years |
| Philip Andrew Hodkinson | Director | 17 Sept 2007 | 31 Dec 2007 | British | 68 years |
| Philip Nevill Green | Director | 16 Jan 2009 | 23 Oct 2009 | British | 73 years |
| Richard John Cousins | Director | 17 Sept 2007 | 16 Jan 2009 | British | 67 years |
| Ronald Garrick | Director | 17 Sept 2007 | 16 Jan 2009 | British | 86 years |
| Sara Vivienne Weller | Director | 1 Feb 2012 | 20 May 2021 | British | 65 years |
| Simon Peter Henry | Director | 26 Jun 2014 | 30 Sept 2020 | British | 65 years |
| Stuart William Sinclair | Director | 4 Jan 2016 | 12 May 2022 | British | 73 years |
| Thomas Timothy Ryan | Director | 1 Mar 2009 | 18 Apr 2013 | American | 81 years |
| Timothy James William Tookey | Director | 16 Jan 2009 | 24 Feb 2012 | British | 64 years |
| Winfried Franz Wilhelm Bischoff | Director | 15 Sept 2009 | 3 Apr 2014 | British | 85 years |
| Wolfgang Christian Georg Berndt | Director | 16 Jan 2009 | 6 May 2010 | Austrian | 84 years |