| Andrew Michael Impey | Director | 17 Sept 2009 | 31 Mar 2020 | British,canadian | 65 years |
| Angela Marion Lascelles | Director | 3 Mar 1986 | 31 Mar 2021 | British | 79 years |
| Colin Denis Keogh | Director | 30 Oct 2000 | 9 Dec 2003 | British | 73 years |
| David Charles Pusinelli | Director | 30 Oct 2000 | 1 Dec 2001 | British | 70 years |
| Edward Becton Davis | Director | 6 May 2016 | 8 Nov 2016 | American | 58 years |
| Gillian Marjorie Clarke | Director | 1 Mar 2012 | 6 May 2016 | British | 66 years |
| John Dominic Mortimer Fisher | Director | 1 Feb 2007 | 17 Jun 2008 | British | 64 years |
| Jonathan Saul Sieff | Director | 9 Dec 2003 | 30 Apr 2008 | British | 60 years |
| Judith Christine Anne Bassnett | Secretary | 13 Oct 1987 | 27 May 2014 | British | - |
| Julia Helena Wills | Secretary | 27 May 2014 | 28 Sept 2017 | - | - |
| Julian Francis Daly | Director | 1 Dec 2001 | 30 Sept 2009 | British | 67 years |
| Matthew Alan Oakeshott | Director | 3 Mar 1986 | 5 Apr 2012 | British | 79 years |
| Patrick Allan Harrington | Director | 1 Feb 2007 | 31 Jan 2009 | British | 60 years |
| Patrick Allan Harrington | Director | 28 Jun 2018 | 31 Mar 2021 | British | 60 years |
| Paul Stuart Chambers | Director | 22 Apr 2010 | 4 May 2010 | British | 59 years |
| Paul Stuart Chambers | Director | 22 Apr 2010 | 1 Mar 2012 | British | 59 years |
| Richard William Killingbeck | Director | 1 Oct 2009 | 26 Feb 2010 | British | 64 years |
| Robert James Whitby-smith | Director | 8 Nov 2016 | 27 Feb 2020 | British | 52 years |
| Sarah Louise Chadwick | Secretary | 28 Sept 2017 | 7 Jul 2020 | - | - |
| Simon Jaffe | Director | 19 Oct 2010 | 5 Jun 2018 | British | 53 years |