| Andrew Paul Cooksey | Director | 24 Jun 2003 | 2 Aug 2005 | British | 65 years |
| Andrew Robert Astin | Director | 9 Nov 1998 | 30 Jun 1999 | British | 70 years |
| Andrew Robert Astin | Secretary | 30 Mar 1992 | 25 Sept 1995 | British | - |
| Carlos Gabriel Uruchurtu Bustamante | Director | 1 Oct 2008 | 27 Sept 2018 | Mexican | 60 years |
| Charles Bennett Brown | Director | 24 Feb 2000 | 26 May 2000 | British | 60 years |
| Clive Lyndon Oakley | Director | 29 Jun 2005 | 30 Apr 2008 | British | 60 years |
| Cyril Patrick Jackson | Director | 30 Mar 1992 | 1 Jan 1996 | British | 90 years |
| Daphne Margaret Murray | Secretary | 1 Apr 2004 | 30 Jun 2018 | British | - |
| David Alec Hart | Director | 23 Nov 2020 | 31 Jul 2025 | British | 53 years |
| David John Charlton Mcateer | Director | 1 Jan 1996 | 31 Oct 1999 | British | 87 years |
| Derek Michael John O'donnell | Director | 1 Sept 2010 | 30 Jul 2015 | Irish | 62 years |
| Emma Jayne Ashenden | Secretary | 25 Jan 2021 | 2 Feb 2023 | - | - |
| Frank James Standish | Director | 26 May 2000 | 1 Jul 2000 | British | 63 years |
| Frank James Standish | Secretary | 30 Apr 2000 | 1 Jul 2000 | British | - |
| Gareth Moores | Director | 29 Jun 2005 | 31 Aug 2006 | British | 63 years |
| Gonzalo Galindo Gout | Director | 1 Mar 2008 | 5 Jul 2011 | Mexican | 62 years |
| Graham Nicholas George Russell | Director | 1 Mar 2008 | 1 Sept 2010 | British | 54 years |
| Graham Reavley Bowman | Director | 31 Oct 1999 | 24 Feb 2000 | British | 82 years |
| Hector Tassinari Eldridge | Director | 1 Jul 2016 | 22 Jun 2018 | Spanish | 55 years |
| Ignacio Madridejos Fernandez | Director | 1 Mar 2008 | 1 Jan 2016 | Spanish | 61 years |
| Ignacio Ortiz Martin | Director | 22 Apr 2005 | 1 Mar 2008 | Mexican | 62 years |
| Jason Alexander Smalley | Director | 25 Sept 2012 | 22 Oct 2016 | British | 57 years |
| Jesus Vicente Gonzalez Herrera | Director | 5 Jul 2011 | 30 Jun 2017 | American | 61 years |
| John Anthony Robinson | Director | 24 Feb 2000 | 1 Apr 2004 | British | 78 years |
| John Lyndon Hill | Director | 30 Mar 1992 | 9 Nov 1998 | British | 82 years |
| Juan Fernando Enriquez Martell | Director | 1 Mar 2008 | 1 Oct 2008 | Mexican | 60 years |
| Laurence Burdett Dagley | Director | 22 Jun 2018 | 12 Dec 2018 | British | 50 years |
| Martin Kusk Langvad | Director | 1 Jan 2015 | 18 Dec 2015 | Danish | 69 years |
| Matthew Edward Currer Topham | Director | 31 Oct 1999 | 24 Feb 2000 | British | 67 years |
| Michael David Hampson | Director | 24 Feb 2000 | 1 Jul 2000 | British | 68 years |
| Michael Leslie Collins | Director | 1 Jul 2000 | 24 Jun 2003 | British | 70 years |
| Michael Leslie Collins | Secretary | 1 Jul 2000 | 1 Apr 2004 | British | - |
| Philip Bernard Griffin Smith | Director | 1 Jul 1999 | 31 Oct 1999 | British | - |
| Philip Bernard Griffin Smith | Secretary | 26 Sept 1995 | 30 Apr 2000 | British | - |
| Rebecca Juliet Wright | Secretary | 30 Jun 2018 | 25 Jan 2021 | - | - |
| Stephen Bottle | Director | 1 Jul 2000 | 16 Jan 2002 | British | 69 years |
| Stephen John Eastwood | Director | 16 Jan 2002 | 5 Sept 2002 | British | 69 years |
| Stewart John Rodney Davies | Director | 27 Nov 2002 | 14 Jun 2005 | British | 66 years |