| Alan Charles Parker | Director | 5 May 2000 | 30 Nov 2010 | British | 80 years |
| Alan Steven Perelman | Director | 1 Aug 1992 | 20 Mar 2001 | British And Australian | 78 years |
| Alison Jane Brittain | Director | 13 Oct 2015 | 17 Jan 2023 | British | 61 years |
| Andrew Harrison | Director | 1 Sept 2010 | 7 Dec 2015 | British | 69 years |
| Angela Susan Risley | Director | 10 Sept 2004 | 22 May 2007 | British | 68 years |
| Anthony John Habgood | Director | 1 Oct 2005 | 1 Sept 2014 | British | 80 years |
| Charles Mark Gurassa | Director | 26 Jul 2000 | 1 May 2001 | British | 70 years |
| Christopher Charles Bevan Rogers | Director | 1 May 2005 | 1 Sept 2014 | British | 66 years |
| Christopher David Vaughan | Secretary | 13 Oct 2015 | 22 Jun 2023 | - | - |
| David Francis Williamson | Director | 5 May 1998 | 1 May 2001 | British | 92 years |
| David Hedley Richardson | Director | 7 May 1996 | 30 Apr 2005 | British | 75 years |
| David John Turner | Director | 1 Jan 2001 | 14 May 2001 | British | 81 years |
| David Malcolm Thomas | Director | 1 Aug 1992 | 15 Jun 2004 | British | 82 years |
| Gerard Van Schaik | Director | 1 Aug 1992 | 16 Mar 1993 | Dutch | 96 years |
| Ian Charter Maclaurin | Director | 18 Nov 1997 | 20 Mar 2001 | British | 89 years |
| John Mario Faskally Padovan | Director | 1 Aug 1992 | 14 May 2001 | British | 88 years |
| John Michael Middlecott Banham | Director | 17 Nov 1999 | 1 Aug 2005 | British | 86 years |
| Karel Vuursteen | Director | 16 Mar 1993 | 19 Sept 2000 | Dutch | 85 years |
| Louise Helen Smalley | Director | 1 Sept 2014 | 23 Jul 2021 | British | 59 years |
| Martin Charles Findlay | Director | 1 Aug 1992 | 30 Jun 1993 | British | 91 years |
| Martin Faulkner Broughton | Director | 1 Aug 1993 | 20 Jun 2000 | British | 79 years |
| Michael David Hampson | Secretary | 1 Aug 1992 | 26 Mar 1997 | British | - |
| Michael David Milroy Franklin | Director | 1 Aug 1992 | 16 Jun 1998 | British | 99 years |
| Michael Richardson Angus | Director | 1 Aug 1992 | 20 Jun 2000 | British | 96 years |
| Miles Howard Templeman | Director | 1 Aug 1992 | 18 Dec 2000 | British | 79 years |
| Nicholas Theodore Cadbury | Director | 14 Nov 2012 | 22 Mar 2022 | British | 60 years |
| Peter Jack Jarvis | Director | 1 Aug 1992 | 17 Jun 1997 | British | 85 years |
| Prudence Margaret Leith | Director | 14 Sept 1995 | 1 May 2001 | British | 86 years |
| Richard Baker | Director | 1 Sept 2014 | 12 Apr 2016 | British | 64 years |
| Samuel Charles Whitbread | Director | 1 Aug 1992 | 1 May 2001 | British | 89 years |
| Simon Charles Barratt | Secretary | 26 Mar 1997 | 13 Oct 2015 | British | - |
| Stewart Miller | Director | 5 May 2000 | 30 Sept 2005 | British | 74 years |
| Wessel Willem Van Riemsdijk | Director | 1 Aug 1992 | 18 Jun 1996 | British | 82 years |
| William Cockburn | Director | 14 Sept 1995 | 21 Nov 1995 | British | 83 years |
| William Mervyn Frew Carey Shannon | Director | 21 Dec 1994 | 30 Jun 2004 | British | 77 years |