| Afshan Ahmed | Director | 1 Jan 2001 | 15 Jan 2001 | British | 66 years |
| Afshan Ahmed | Secretary | 20 Apr 1998 | 4 Jan 2000 | British | - |
| Alan Geoffrey Moore | Director | 26 May 1998 | 7 Feb 2000 | British | 77 years |
| Alan Geoffrey Moore | Director | 15 Jan 2001 | 13 May 2004 | British | 77 years |
| Alan Smith | Director | 1 Dec 2001 | 31 Mar 2002 | British | 65 years |
| Andrew Stephen James Ramsay | Secretary | 5 Feb 1996 | 20 Apr 1998 | British | - |
| Armando Andres Pena | Director | 11 Nov 2010 | 6 Sept 2017 | American | 81 years |
| Benjamin James Freeman | Director | 1 Mar 2015 | 11 Oct 2016 | British | 49 years |
| Catherine Mary Springett | Director | 7 Feb 2000 | 1 Jan 2001 | British | 69 years |
| Christopher David Barras | Secretary | 27 Jul 2006 | 11 Oct 2016 | British | - |
| Clare Marie Ann Shepherd | Secretary | 4 Mar 1994 | 30 Jan 1996 | British | - |
| Constance Wing-yin Lee | Director | 6 Sept 2017 | 9 Jan 2024 | British | 52 years |
| Deirdre Maura Robinson | Secretary | 9 May 2011 | 29 Jan 2014 | - | - |
| Dima Rifai | Director | 11 Oct 2016 | 6 Sept 2017 | British | 60 years |
| Dirk Simons | Director | 28 Apr 2014 | 31 Dec 2015 | German | 60 years |
| Edmund Alfred Lazarus | Director | 30 Dec 2005 | 7 Jun 2007 | British | 58 years |
| Faheem Zaka Sheikh | Director | 1 May 2023 | 29 Apr 2025 | British | 42 years |
| Gordon Malcolm Knight | Director | 4 Mar 1994 | 5 Apr 1995 | British | 84 years |
| Holger Himmel | Director | 1 Jan 2016 | 11 Oct 2016 | German | 52 years |
| James Nigel Shelley Cooper | Director | 27 Oct 2009 | 7 Dec 2012 | British | 65 years |
| Jason Anthony Keene | Secretary | 7 Feb 2000 | 15 Jan 2001 | British | - |
| Jason Paul Porter | Director | 6 Sept 2017 | 30 Sept 2019 | British | 45 years |
| John Alexander Gaca | Director | 30 Apr 1997 | 26 May 1998 | British | 78 years |
| John Reginald Smith | Director | 5 Apr 1995 | 28 Mar 1996 | British | 87 years |
| Jonathan Guy Madgwick | Director | 1 Jun 2005 | 30 Dec 2005 | British | 66 years |
| Julia Lynch-williams | Director | 1 May 2010 | 31 Mar 2014 | British | 59 years |
| Kenton Edward Bradbury | Director | 1 Apr 2009 | 27 Apr 2015 | British | 56 years |
| Kevin Mccullough | Director | 13 May 2004 | 30 Dec 2005 | British | 61 years |
| Kevin Mccullough | Director | 1 Feb 2008 | 30 Sept 2009 | British | 61 years |
| Kevin Neal Akhurst | Director | 30 Dec 2005 | 1 Feb 2008 | British | 74 years |
| Laurence Jon Fumagalli | Director | 6 Sept 2017 | 1 May 2023 | British | 54 years |
| Leanne Marie Bell | Director | 7 Jun 2017 | 6 Sept 2017 | American | 66 years |
| Maples Fiduciary Services (uk) Limited | Corporate Secretary | 11 Oct 2016 | 6 Sept 2017 | United Kingdom | - |
| Maria Georgina Dellacha | Director | 7 Dec 2012 | 3 Jul 2015 | British | 51 years |
| Mark Alan Walters | Director | 1 Jan 2011 | 6 Sept 2017 | British | 47 years |
| Mark Peter Chladek | Director | 22 Aug 2007 | 27 Oct 2009 | British | 53 years |
| Mark Peter Chladek | Director | 27 Apr 2015 | 31 Jul 2016 | British | 53 years |
| Matthew Joseph Leblanc | Director | 29 Jan 2014 | 6 Sept 2017 | American | 56 years |
| Michael Nagle | Director | 22 Aug 2007 | 28 Apr 2014 | British | 74 years |
| Michael Parker | Director | 28 Apr 2014 | 11 Oct 2016 | British | 50 years |
| Nikolaus Thaddaeus Roessner | Director | 3 Jul 2016 | 7 Mar 2017 | Austrian | 41 years |
| Olov Mikael Kramer | Director | 11 Oct 2016 | 6 Sept 2017 | Swedish | 73 years |
| Paul Coffey | Director | 1 Oct 2009 | 28 Feb 2015 | British | 57 years |
| Paul Leslie Cowling | Secretary | 24 Apr 2008 | 24 Apr 2008 | British | - |
| Paul Leslie Cowling | Director | 24 Apr 2008 | 30 Apr 2010 | British | 66 years |
| Penelope Anne Sainsbury | Secretary | 29 Jan 2014 | 11 Oct 2016 | - | - |
| Penelope Anne Sainsbury | Secretary | 3 Mar 2006 | 9 May 2011 | British | - |
| Peter Francis Chester | Director | 4 Mar 1994 | 31 Dec 1995 | British | 97 years |
| Qaisar Zaman | Director | 6 Mar 2006 | 22 Aug 2007 | Bahraini | 64 years |
| Roderick James Jackson | Director | 1 Jan 1996 | 30 Apr 1997 | British | 86 years |
| Simon John Wells | Secretary | 4 Jan 2000 | 7 Feb 2000 | British | - |
| Simon John Wells | Secretary | 15 Jan 2001 | 3 Mar 2006 | British | - |
| Steen Stavnsbo | Director | 28 Apr 2014 | 6 Sept 2017 | Danish | 62 years |
| Stephen Bernard Lilley | Director | 22 Aug 2007 | 1 Apr 2009 | British | 58 years |
| Stephen Bernard Lilley | Director | 6 Sept 2017 | 1 May 2023 | British | 58 years |
| Stephen Johnson | Director | 31 Jul 2016 | 7 Mar 2017 | British | 66 years |
| Vincent Richard Harris | Director | 28 Mar 1996 | 31 Mar 1998 | British | 75 years |