| Anita Anne George | Director | 14 Sept 2007 | 31 Dec 2009 | British | 67 years |
| Anna Siu Man Chan | Director | 1 Dec 2007 | 31 Oct 2013 | British | 65 years |
| Anthony Nicholas Cousins | Director | 29 Jan 2014 | 17 Dec 2014 | British | 63 years |
| Barry Merritt Cooper | Director | 28 Apr 2011 | 13 Jun 2019 | Canadian | 82 years |
| Barry Sean Mcinerney | Director | 28 Apr 2011 | 3 May 2016 | Canadian | 63 years |
| Bibi Rahima Ally | Secretary | 28 Feb 1995 | 10 Mar 2015 | British | - |
| David Logan | Director | 6 Oct 2015 | 20 Mar 2025 | British | 57 years |
| Diane Seymour-williams | Director | 14 Sept 2007 | 12 Feb 2016 | British | 68 years |
| Dominic Robert Andrew Johnson | Director | 23 Jan 2004 | 19 Apr 2007 | British | 52 years |
| Drew Newman | Director | 28 Apr 2011 | 31 Aug 2015 | British | 64 years |
| Edward Manwaring Robertson | Director | 10 Apr 2002 | 26 Apr 2007 | British | 58 years |
| Fredrik Sven Axsater | Director | 10 Nov 2020 | 24 Feb 2023 | Swedish | 54 years |
| Gilles Gerard Ouellette | Director | 19 Sept 2019 | 8 Nov 2021 | Canadian | 79 years |
| Jacob William Rees-mogg | Director | 1 Aug 1999 | 19 Apr 2007 | British | 57 years |
| Joan Mohammed | Director | 23 Aug 2017 | 9 May 2019 | American | 65 years |
| John Stainsby | Director | 16 Oct 1995 | 27 Aug 1999 | British | 65 years |
| Katherine Lam | Secretary | 4 Oct 2019 | 17 Jun 2021 | - | - |
| Kathryn Louise Langridge | Director | 14 Sept 2007 | 20 Aug 2010 | British | 68 years |
| Kristi Lynne Mitchem | Director | 22 May 2019 | 8 Nov 2021 | American | 56 years |
| Neha Vadodaria | Secretary | 1 Aug 2014 | 29 Jan 2016 | - | - |
| Nicholas John Hornsey | Secretary | 28 Apr 2011 | 1 Aug 2014 | British | - |
| Nicholas John Ring | Director | 24 Feb 2023 | 22 Nov 2023 | British | 61 years |
| Raveendra Sriskandarajah | Director | 20 Dec 2019 | 15 Jul 2020 | Australian | 53 years |
| Richard Adrian Watts | Director | 24 Feb 2023 | 17 Sept 2024 | British | 54 years |
| Richard Charles Wilson | Director | 17 Dec 2014 | 9 May 2019 | British | 60 years |
| Rishikesh Dinesh Patel | Director | 17 Dec 2019 | 24 Feb 2023 | British | 48 years |
| Robert John Daniel Lloyd George | Director | 28 Feb 1995 | 30 Apr 2014 | British | 74 years |
| Scott Joseph Matthews | Director | 28 Apr 2011 | 13 Jun 2019 | Australian | 57 years |
| Thomas Vester | Director | 12 Sept 2013 | 8 Sept 2022 | Danish | 44 years |
| William Kenneth Spinney Smith | Director | 28 Apr 2011 | 13 Jun 2019 | British,canadian | 67 years |
| William Theodore Clarke | Secretary | 29 Jan 2016 | 4 Oct 2019 | - | - |
| William Walter Raleigh Kerr | Director | 28 Feb 1995 | 30 Sept 2013 | British | 76 years |
