| Albert Richard Jr Moore | Director | 20 Dec 2000 | 19 Dec 2002 | Usa | 81 years |
| Anthony Braine | Secretary | 21 Dec 2000 | 13 May 2002 | British | - |
| Bruce Michael James | Director | 27 Mar 2018 | 31 Dec 2021 | British | 59 years |
| Cecilie Astrup | Director | 16 Aug 1995 | 20 Apr 1998 | Norwegian | 63 years |
| Charles John Middleton | Director | 3 Apr 2017 | 31 Mar 2022 | British | 60 years |
| Christopher Dudley Stewart Smith | Director | 16 Aug 1995 | 20 Aug 1998 | British | 85 years |
| Christopher John Eccles | Director | 26 Jul 1995 | 20 Aug 1998 | British | 64 years |
| Christopher Michael John Forshaw | Director | 21 Dec 2000 | 5 Apr 2017 | British | 77 years |
| Cyril Metliss | Director | 21 Dec 2000 | 14 Jul 2006 | British | 103 years |
| Frank Watts Kearton Gee | Director | 26 Jul 1995 | 20 Dec 2000 | British | 81 years |
| Gavin Bergin | Director | 29 Mar 2021 | 3 Nov 2022 | British | 36 years |
| Graeme Burgess | Secretary | 9 Mar 1999 | 21 Dec 2000 | British | - |
| Graham Charles Roberts | Director | 19 Dec 2002 | 30 Jul 2011 | British | 68 years |
| Ian Douglas Grant | Director | 26 Jul 1995 | 20 Aug 1998 | British | 78 years |
| James Fielding Taylor | Director | 7 Feb 2006 | 25 Jan 2013 | British | 52 years |
| John Harry Weston Smith | Director | 19 Dec 2002 | 14 Jul 2006 | British | 94 years |
| John Ritblat | Director | 19 Dec 2002 | 31 Dec 2006 | British | 91 years |
| Keith Edward Lewington | Nominee Director | 3 Jul 1995 | 14 Jul 1995 | British | 75 years |
| Kevin William Cook | Director | 26 Jul 1995 | 20 Dec 2000 | British | 73 years |
| Laura Louise Hamilton | Director | 20 Dec 2000 | 19 Dec 2002 | American | 63 years |
| Michael Ian Gunston | Director | 8 Aug 2001 | 14 Jul 2006 | British | 82 years |
| Ndiana Ekpo | Secretary | 30 Apr 2009 | 6 Dec 2016 | Other | - |
| Nicholas Guy Greville Herrtage | Director | 1 Jan 1998 | 20 Dec 2000 | British | 75 years |
| Nicholas Simon Jonathan Ritblat | Director | 19 Dec 2002 | 31 Aug 2005 | British | 65 years |
| Oliver Chitty Brookshaw | Director | 14 Jul 1995 | 26 Jul 1995 | British | 70 years |
| Peter Courtenay Clarke | Director | 21 Dec 2000 | 8 Aug 2001 | British | 60 years |
| Rebecca Jane Scudamore | Secretary | 13 May 2002 | 30 Apr 2009 | Other | - |
| Robert Edward Bowden | Director | 19 Dec 2002 | 31 Dec 2007 | British | 84 years |
| Sarah Morrell Barzycki | Director | 21 Dec 2000 | 27 Mar 2018 | British | 68 years |
| Stephen Alan Michael Hester | Director | 7 Jan 2005 | 15 Nov 2008 | British | 66 years |
| Susan Elizabeth Stoneman | Nominee Secretary | 3 Jul 1995 | 17 Jul 1995 | British | - |
| Tariq Azad Cader | Director | 26 Jul 1995 | 20 Dec 2000 | British | 73 years |
| Tariq Azad Cader | Secretary | 26 Jul 1995 | 9 Mar 1999 | British | - |