| Adam Alexander Crozier | Director | 1 Apr 2017 | 1 Sept 2025 | British | 62 years |
| Alan Charles Parker | Director | 15 Dec 2000 | 30 Nov 2010 | British | 80 years |
| Alan Steven Perelman | Director | 15 Dec 2000 | 20 Mar 2001 | British And Australian | 78 years |
| Alison Jane Brittain | Director | 28 Sept 2015 | 2 Mar 2023 | British | 61 years |
| Andrew Harrison | Director | 1 Sept 2010 | 7 Dec 2015 | British | 69 years |
| Angela Susan Risley | Director | 1 May 2004 | 22 May 2007 | British | 68 years |
| Anthony John Habgood | Director | 1 May 2005 | 1 Sept 2014 | British | 80 years |
| Charles Mark Gurassa | Director | 15 Dec 2000 | 7 Sept 2009 | British | 70 years |
| Christopher Charles Bevan Rogers | Director | 1 May 2005 | 20 Apr 2016 | British | 66 years |
| Christopher David Vaughan | Secretary | 1 Oct 2015 | 22 Jun 2023 | - | - |
| Christopher John Kennedy | Director | 1 Mar 2016 | 19 Jun 2025 | British | 62 years |
| David Francis Williamson | Director | 15 Dec 2000 | 14 Jun 2005 | British | 92 years |
| David Hedley Richardson | Director | 15 Dec 2000 | 30 Apr 2005 | British | 75 years |
| David John Atkins | Director | 1 Jan 2017 | 18 Jun 2024 | British | 60 years |
| David John Turner | Director | 1 Jan 2001 | 2 Mar 2006 | British | 81 years |
| David Malcolm Thomas | Director | 15 Dec 2000 | 15 Jun 2004 | British | 82 years |
| Deanna Oppenheimer | Director | 1 Jan 2017 | 31 Dec 2020 | American | 68 years |
| Funmibi Foluso Chima | Director | 1 Mar 2021 | 18 Jun 2024 | British | 52 years |
| Ian Charter Maclaurin | Director | 15 Dec 2000 | 20 Mar 2001 | British | 89 years |
| Ian Michael Cheshire | Director | 1 Feb 2011 | 21 Sept 2017 | British | 67 years |
| John Mario Faskally Padovan | Director | 15 Dec 2000 | 18 Jun 2002 | British | 88 years |
| John Michael Middlecott Banham | Director | 15 Dec 2000 | 1 Aug 2005 | British | 86 years |
| Louise Helen Smalley | Director | 1 Nov 2012 | 31 Aug 2021 | British | 59 years |
| Margaret Ewing | Director | 1 Jul 2005 | 31 Jul 2007 | British | 71 years |
| Nicholas Theodore Cadbury | Director | 14 Nov 2012 | 18 Mar 2022 | British | 60 years |
| Patrick Joseph Anthony Dempsey | Director | 1 Jan 2009 | 28 Feb 2015 | British | 67 years |
| Philip Andrew Clarke | Director | 1 Jan 2006 | 1 Mar 2011 | British | 66 years |
| Prudence Margaret Leith | Director | 15 Dec 2000 | 14 Jun 2005 | British | 86 years |
| Richard Baker | Director | 7 Sept 2009 | 28 Feb 2018 | British | 64 years |
| Roderick David Kent | Director | 1 Sept 2002 | 31 Mar 2008 | British | 79 years |
| Russell William Fairhurst | Director | 1 Dec 2000 | 15 Dec 2000 | British | 63 years |
| Samuel Charles Whitbread | Director | 15 Dec 2000 | 18 Sept 2001 | British | 89 years |
| Simon Charles Barratt | Director | 1 Dec 2000 | 15 Dec 2000 | British | 67 years |
| Simon Charles Barratt | Secretary | 15 Dec 2000 | 1 Oct 2015 | British | - |
| Simon Richard Melliss | Director | 1 Apr 2007 | 30 Sept 2016 | British | 74 years |
| Stephen Geoffrey Williams | Director | 27 Apr 2008 | 21 Jun 2017 | British | 78 years |
| Stewart Miller | Director | 15 Dec 2000 | 30 Sept 2005 | British | 74 years |
| Susan Charlotte Taylor-martin | Director | 1 Jan 2012 | 22 Apr 2021 | American | 63 years |
| Susan Mary Hooper | Director | 1 Sept 2011 | 1 Jan 2014 | British | 66 years |
| Tanya Msimang | Secretary | 1 Dec 2000 | 15 Dec 2000 | British | - |
| Wendy Becker | Director | 18 Jan 2008 | 31 Dec 2016 | American | 61 years |
| William Mervyn Frew Carey Shannon | Director | 15 Dec 2000 | 15 Jun 2004 | British | 77 years |