| Adri Baan | Director | 1 Jun 2002 | 31 Dec 2007 | Dutch | 84 years |
| Alan James Murray | Director | 1 Jul 2007 | 3 Feb 2011 | British | 73 years |
| Alexandre Bertrand Geoffroy | Director | 15 Nov 2021 | 12 May 2023 | French | 49 years |
| Alison Jane Carnwath | Director | 1 Aug 1998 | 2 Oct 2000 | British | 73 years |
| Andrew John Swanson | Secretary | 16 Oct 1995 | 2 Oct 2000 | British | - |
| Andrew Martin Pollins | Director | 3 Jul 2020 | 15 Nov 2021 | British | 59 years |
| Andrew Stephen James Ramsay | Secretary | 2 Oct 2000 | 3 Feb 2011 | British | - |
| Anne Ferguson | Director | 16 Aug 1992 | 31 Jul 1998 | British | 84 years |
| Anthony Eric Isaac | Director | 2 Oct 2000 | 19 Jul 2013 | British | 85 years |
| Anthony Keith Gill | Director | 16 Aug 1992 | 31 Mar 1998 | British | 96 years |
| Anthony Patrick Concannon | Director | 1 Jan 2004 | 3 Feb 2011 | British | 63 years |
| Bernard Paul Judas Attali | Director | 3 Feb 2011 | 31 Dec 2015 | French | 83 years |
| Brian Morrison Count | Director | 1 Apr 1996 | 2 Oct 2000 | British | 75 years |
| Bruce Larry Levy | Director | 2 Jun 2005 | 3 Feb 2011 | United States Citizen | 71 years |
| Charles Brandon Gough | Director | 9 Jan 1995 | 2 Oct 2000 | British | 89 years |
| Christopher James Walter Trower | Secretary | 14 May 2013 | 20 Jul 2017 | - | - |
| Dave Duncan Struan Robertson | Director | 1 Oct 2004 | 3 Feb 2011 | British | 77 years |
| David Alan Walker | Director | 1 Aug 1993 | 30 Nov 1994 | British | 87 years |
| David Maxwell Weston | Director | 1 Aug 2009 | 31 Dec 2015 | British | 68 years |
| David Whipple Crane | Director | 2 Oct 2000 | 30 Nov 2003 | American | 67 years |
| Dennis Ralph Hendrix | Director | 30 Sept 1997 | 23 May 2002 | American | 86 years |
| Dirk Beeuwsaert | Director | 3 Feb 2011 | 31 Dec 2015 | Belgian | 78 years |
| Francois Graux | Secretary | 3 Feb 2011 | 14 May 2013 | British | - |
| Geert Herman August Peeters | Director | 15 May 2012 | 14 May 2013 | Belgian | 63 years |
| George Trevor Holdsworth | Director | 16 Aug 1992 | 31 Mar 1995 | British | 99 years |
| Gerard Lamarche | Director | 3 Feb 2011 | 8 Dec 2011 | Belgian | 65 years |
| Gerard Mestrallet | Director | 3 Feb 2011 | 1 May 2016 | French | 77 years |
| Gilbert Albert Waller Blackman | Director | 16 Aug 1992 | 26 Jul 1994 | British | 101 years |
| Graham Austin Brown | Director | 1 Apr 1996 | 2 Oct 2000 | British | 70 years |
| Graham Hunter Hadley | Director | 16 Aug 1992 | 31 Dec 1995 | British | 82 years |
| Granville Thomas Bateman Camsey | Director | 16 Aug 1992 | 31 Dec 1995 | British | 90 years |
| Guy Marie Numa Joseph Ghislain Richelle | Director | 3 Feb 2011 | 1 Mar 2017 | Belgian | 71 years |
| Isabelle Kocher | Director | 8 Dec 2011 | 1 Apr 2017 | French | 60 years |
| James Colin Eden Webster | Director | 16 Aug 1992 | 31 Dec 1995 | British | 90 years |
| James Joseph Moore | Director | 2 Oct 2000 | 31 Jan 2001 | American | 68 years |
| Jean-francois Cirelli | Director | 3 Feb 2011 | 11 Nov 2014 | French | 68 years |
| John Alexander Collins | Director | 1 Oct 1996 | 2 Oct 2000 | British | 85 years |
| John David Taylor | Director | 2 Oct 2000 | 17 May 2006 | American | 88 years |
| John Edward Roberts | Director | 18 May 2006 | 3 Feb 2011 | British | 80 years |
| John Michael Middlecott Banham | Director | 16 Aug 1992 | 31 Jul 1998 | British | 86 years |
| John Robertson Young | Director | 3 Feb 2011 | 31 Dec 2015 | British | 81 years |
| John William Baker | Director | 16 Aug 1992 | 5 Dec 1997 | British | 89 years |
| Jose Maria Amusategui Y De La Cierva | Director | 31 Aug 1999 | 25 Jul 2001 | Spanish | 94 years |
| Judith Hartmann | Director | 16 Mar 2015 | 1 Apr 2017 | Austrian | 57 years |
| Keith Nicholas Henry | Director | 19 Feb 1995 | 28 Apr 1999 | English | 81 years |
| Kevin Adrian Dibble | Director | 15 Nov 2021 | 16 Dec 2024 | British | 58 years |
| Manouchehr Raznahan | Director | 23 Feb 1999 | 17 Nov 1999 | British | 81 years |
| Mark David Williamson | Director | 11 Dec 2003 | 5 May 2012 | British | 69 years |
| Maxwell Glyn Herbert | Secretary | 16 Aug 1992 | 16 Oct 1995 | British | - |
| Michael Alexandre Zaoui | Director | 3 Feb 2011 | 31 Dec 2015 | French | 70 years |
| Neville Ian Simms | Director | 1 Aug 1998 | 31 Dec 2014 | British | 82 years |
| Peter Giller | Director | 2 Oct 2000 | 31 Dec 2003 | German | 84 years |
| Philip Gotsall Cox | Director | 2 Oct 2000 | 30 Apr 2013 | British | 75 years |
| Philip William Wilkinson | Director | 16 Aug 1992 | 28 Jul 1993 | British | 99 years |
| Pierre Jean Bernard Guiollot | Director | 14 May 2013 | 1 Apr 2017 | French | 58 years |
| Pierre Jean Bernard Guiollot | Director | 7 Oct 2019 | 15 Nov 2021 | French | 58 years |
| Pieter Marie Gustaaf Moens | Secretary | 20 Jul 2017 | 15 Nov 2021 | - | - |
| Ranald Gordon Lyon Spiers | Director | 15 May 2008 | 3 Feb 2011 | British | 71 years |
| Richard Vincent Giordano | Director | 16 Aug 1992 | 1 Oct 1992 | American | 92 years |
| Robert Alastair Newton Morton | Director | 16 Aug 1992 | 29 Feb 2000 | British | 88 years |
| Roderick James Jackson | Director | 16 Aug 1992 | 31 Aug 1996 | British | 86 years |
| Roger Mark Witcomb | Director | 1 Sept 1996 | 2 Oct 2000 | British | 79 years |
| Sarah Frances Fleure Mingham | Director | 12 Jul 2017 | 10 May 2019 | British | 49 years |
| Sarah Jane Gregory | Director | 12 Jul 2017 | 23 Jul 2021 | British | 61 years |
| Simon David Pinnell | Director | 1 Apr 2017 | 31 Jul 2020 | British | 62 years |
| Stanley Brian Birkenhead | Director | 16 Aug 1992 | 31 Aug 1996 | British | 85 years |
| Stephen Riley | Director | 1 Jan 2004 | 3 Feb 2011 | British | 65 years |
| Sven Albert De Smet | Director | 1 Apr 2017 | 30 Jun 2017 | Belgian | 59 years |
| Thomas Joseph Palmer | Director | 16 Aug 1992 | 1 Oct 1996 | British | 95 years |
| Wilfrid John Petrie | Director | 12 Jul 2017 | 21 Oct 2019 | British | 61 years |
| Willem Frans Alfons Van Twembeke | Director | 1 Apr 2013 | 30 Jun 2017 | Belgian | 61 years |