| Alison Marie Rose-slade | Director | 4 Apr 2018 | 6 Jul 2023 | British | 57 years |
| Anthony Lawrence Graham | Director | 1 Jan 1998 | 8 Jul 2005 | British | 81 years |
| Carolyn Jane Fryer | Secretary | 2 Dec 1996 | 31 Dec 1998 | British | - |
| Charles Edward Laurence Philipps | Director | 1 Apr 2014 | 30 Mar 2023 | British | 67 years |
| Charles Leonard Anthony Irby | Director | 1 Apr 2004 | 3 Jul 2014 | British | 81 years |
| Christopher Jeremy Richard Barrett | Secretary | 31 Jul 1991 | 2 Dec 1996 | British | - |
| Daniel Frank Desmond | Director | 31 Jul 1991 | 27 Feb 1992 | British | 86 years |
| David Christopher Godwin | Director | 3 Aug 1998 | 9 Jul 2004 | British | 87 years |
| Desna Lee Martin | Secretary | 1 Jan 1999 | 30 Sept 2019 | British | - |
| Elizabeth Jane Dilwihs Holden | Director | 3 Sept 2012 | 6 Jul 2017 | British | 59 years |
| Howard Stephen Perlin | Director | 25 Mar 1994 | 15 Jul 2003 | British | 80 years |
| John Charles Edgcumbe | Director | 2 Aug 1999 | 5 Jul 2007 | British | 83 years |
| John David Witty | Director | 24 Nov 1987 | 22 Jul 1997 | British | 102 years |
| John Howard Whiteley | Director | 1 Aug 1995 | 31 Jul 2005 | British | 68 years |
| Jonathan Clive Nicholls | Director | 10 Jul 2009 | 8 Jul 2016 | English | 69 years |
| Jonathan Ottley Short | Director | 22 Mar 2007 | 5 Jul 2018 | British | 65 years |
| Kathleen Anne O'donovan | Director | 1 Apr 2003 | 10 Jul 2009 | British | 69 years |
| Leonard Stanley Jarrad | Director | 31 Jul 1991 | 13 Jul 1999 | British | 97 years |
| Martin Anthony Scicluna | Director | 1 Oct 2008 | 31 Jan 2019 | British | 76 years |
| Neil Thompson | Director | 1 Aug 2006 | 12 Dec 2016 | British | 58 years |
| Nicholas Timon Drakesmith | Director | 12 Sept 2005 | 27 May 2011 | British | 61 years |
| Nick Hampton | Director | 17 Oct 2016 | 3 Apr 2025 | British | 59 years |
| Norman David Ford | Director | 31 Jul 1991 | 22 Jul 1997 | British | 97 years |
| Patrick Oliver Hall | Director | 12 Aug 1991 | 18 Oct 2000 | British | 77 years |
| Paul Alexander Gittens | Director | 31 Jul 1991 | 17 Jul 2002 | British | 79 years |
| Peter David Marley Shaw | Director | 1 Mar 1994 | 31 Mar 2002 | British | 80 years |
| Phillip Rose | Director | 11 Apr 2005 | 5 Apr 2012 | Australian | 67 years |
| Richard Martin Peskin | Director | 16 Oct 1968 | 31 Mar 2009 | British | 82 years |
| Richard Stephen Mully | Director | 1 Dec 2016 | 3 Jul 2025 | British | 65 years |
| Robert Montague Noel | Director | 1 Aug 2002 | 30 Sept 2009 | British | 62 years |
| Roger Louis Payton | Director | 31 Jul 1991 | 18 Jul 2000 | British | 96 years |
| Thomas Cockayne Harvey | Director | 31 Jul 1991 | 31 Mar 1993 | British | 108 years |
| Wendy Becker | Director | 1 Feb 2017 | 7 Jul 2022 | British | 61 years |