| Andrew George Inglis | Director | 13 Jun 2007 | 9 Jul 2010 | British | 67 years |
| Anthony Nigel Russell Rudd | Director | 10 Sept 2006 | 31 Dec 2009 | British | 80 years |
| Brian Cookson | Director | 23 May 1992 | 30 Jun 1992 | British | 95 years |
| Carl George Symon | Director | 11 Jun 2008 | 12 Jun 2015 | American/british | 80 years |
| Carolyn Julie Fairbairn | Director | 1 Mar 2021 | 5 May 2022 | British | 66 years |
| Charles Beech Gordon Masefield | Director | 29 Nov 1999 | 28 Feb 2003 | British | 86 years |
| Christopher Montague Grigg | Director | 1 Jul 2013 | 31 Dec 2023 | British | 67 years |
| Christopher Vincent Geoghegan | Director | 10 Jul 2002 | 31 Dec 2007 | British | 72 years |
| Clive Richard Hollick Of Notting Hill | Director | 23 May 1992 | 28 May 1997 | British | 81 years |
| David Stanley Parkes | Secretary | 26 Feb 1999 | 9 May 2024 | British | - |
| Frank Bailey Saundry | Director | 23 May 1992 | 30 Jun 1992 | British | 97 years |
| George Simpson | Director | 23 May 1992 | 31 Mar 1994 | British | 84 years |
| George Wilfred Rose | Director | 1 Apr 1998 | 31 Mar 2011 | British | 74 years |
| Gerard Joseph Demuro | Director | 1 Feb 2014 | 31 Mar 2020 | American | 71 years |
| Harold Raymond Mould | Director | 23 May 1992 | 14 Aug 1992 | British | 86 years |
| Harriet Green | Director | 1 Nov 2010 | 7 Nov 2019 | British | 65 years |
| Ian Graham King | Director | 1 Jan 2007 | 30 Jun 2017 | British | 70 years |
| Ian Paul Tyler | Director | 8 May 2013 | 5 May 2022 | British | 66 years |
| James Blyth Of Rowington | Director | 23 May 1992 | 26 Apr 1994 | British | 86 years |
| John Conway Cahill | Director | 23 May 1992 | 26 Apr 1994 | British | 96 years |
| John Pix Weston | Director | 1 Jan 1994 | 25 Mar 2002 | British | 75 years |
| Judson Graham Day | Director | 23 May 1992 | 14 Sept 1993 | Canadian/british | 93 years |
| Keith Clark Brown | Director | 23 May 1992 | 29 Apr 2003 | British | 83 years |
| Lee Alan Mcintire | Director | 1 Jun 2011 | 20 Aug 2013 | Usa | 77 years |
| Linda Parker Hudson | Director | 26 Oct 2009 | 1 Feb 2014 | American | 76 years |
| Mark Henry Ronald | Director | 3 May 2002 | 31 Dec 2006 | Us Citizen | 85 years |
| Mark Philip Sedwill | Director | 1 Nov 2022 | 10 Sept 2024 | British | 62 years |
| Michael Denzil Xavier Portillo | Director | 11 Sept 2002 | 4 May 2006 | British | 73 years |
| Michael James Hartnall | Director | 10 Jun 2003 | 2 May 2012 | British | 84 years |
| Michael John Turner | Director | 1 Jan 1994 | 31 Aug 2008 | British | 78 years |
| Michael Lester | Director | 29 Nov 1999 | 31 Dec 2006 | British | 86 years |
| Nicholas Charles Rose | Director | 8 Feb 2010 | 31 Dec 2020 | British | 69 years |
| Paolo Scaroni | Director | 22 Nov 2000 | 5 May 2004 | Italian | 80 years |
| Paul Milton Anderson | Director | 8 Oct 2009 | 31 Dec 2014 | American | 81 years |
| Paula Rosput Reynolds | Director | 1 Apr 2011 | 31 Dec 2020 | American | 70 years |
| Peter Amory Weinberg | Director | 16 Jun 2005 | 7 May 2008 | American/british | 69 years |
| Peter James Mason | Director | 22 Jan 2003 | 8 May 2013 | British | 80 years |
| Peter John Lynas | Director | 1 Apr 2011 | 31 Mar 2020 | British | 68 years |
| Peter Oliver Gershon | Director | 29 Nov 1999 | 31 Mar 2000 | British | 79 years |
| Philip Joseph Carroll Jnr | Director | 7 Sept 2005 | 5 May 2010 | American | 89 years |
| Ravi Kant Uppal | Director | 2 Apr 2008 | 1 Apr 2011 | Indian | 74 years |
| Revathi Advaithi | Director | 1 Jan 2018 | 25 Jun 2020 | American | 59 years |
| Richard Douglas Lapthorne | Director | 11 Jul 1992 | 30 Sept 1999 | British | 83 years |
| Richard Harry Evans | Director | 23 May 1992 | 30 Jun 2004 | British | 84 years |
| Richard Lake Olver | Director | 17 May 2004 | 1 Feb 2014 | British | 79 years |
| Robert Leonard Kirk | Director | 23 May 1992 | 30 Apr 1997 | Usa | 97 years |
| Robert Patten Bauman | Director | 26 Apr 1994 | 1 May 1998 | American | 95 years |
| Roberto Quarta | Director | 7 Sept 2005 | 31 Dec 2011 | Italian | 77 years |
| Robin Adair Biggam | Director | 1 Jan 1994 | 29 Apr 2003 | British | 88 years |
| Roger Martyn Carr | Director | 1 Oct 2013 | 4 May 2023 | British | 80 years |
| Ronald Claus Hampel | Director | 23 May 1992 | 31 May 2002 | British | 94 years |
| Steven Lewis Mogford | Director | 1 Apr 2000 | 9 May 2007 | British | 70 years |
| Stuart Paul Carroll | Secretary | 13 Nov 1996 | 26 Feb 1999 | British | - |
| Susan Doreen Windridge | Secretary | 23 May 1992 | 13 Nov 1996 | British | - |
| Susan Joyce Birley | Director | 22 Nov 2000 | 9 May 2007 | British | 83 years |
| Sydney Gillibrand | Director | 23 May 1992 | 30 Jun 1995 | British | 92 years |
| Thomas Alexander Hesketh | Director | 1 Jan 1994 | 4 May 2005 | British | 76 years |
| Ulrich Cartellieri | Director | 1 Dec 1999 | 26 Sept 2007 | German | 89 years |
| Walter Perry Havenstein | Director | 2 Jan 2007 | 21 Jun 2009 | American | 77 years |