| Ailsa Zoya Longmuir | Director | 21 Oct 2019 | 29 Aug 2025 | British | 44 years |
| Andrew Daryl Le Poidevin | Director | 4 Jun 2007 | 1 Oct 2016 | British | 68 years |
| Andrew Netemeyer | Director | 18 Nov 2010 | 31 Dec 2015 | American | 68 years |
| Anne Garrihy | Secretary | 28 Mar 1995 | 30 Jan 1997 | British | - |
| Arthur William Burgess | Director | 18 Jul 1994 | 30 Jan 1997 | British | 86 years |
| Charles Louis Watson | Director | 18 Jul 1994 | 2 Mar 1997 | American | 76 years |
| Colin David Friedlander | Director | 18 Jul 1994 | 12 Feb 1996 | British | 79 years |
| Combined Nominees Limited | Corporate Nominee Director | 2 Dec 1993 | 2 Dec 1993 | United Kingdom | - |
| Combined Secretarial Services Limited | Corporate Nominee Director | 2 Dec 1993 | 2 Dec 1993 | United Kingdom | - |
| Combined Secretarial Services Limited | Corporate Nominee Secretary | 2 Dec 1993 | 2 Dec 1993 | United Kingdom | - |
| Douglas Harry Ebdon | Director | 18 Jul 1994 | 28 Mar 1995 | British | 81 years |
| Elizabeth Jayne Felton | Secretary | 30 Jan 1997 | 1 Oct 1997 | British | - |
| Henry Keith Kaelber | Director | 21 Jun 1995 | 2 Mar 1997 | American | 78 years |
| Ian Ritchie | Secretary | 7 Feb 2000 | 8 Sept 2000 | British | - |
| Ian Wood | Director | 21 Mar 2005 | 18 Nov 2010 | British | 68 years |
| Irfan Ahmad Mannan | Director | 21 Mar 2005 | 14 May 2007 | British | 61 years |
| Jacob Shields Ulrich | Director | 18 Jul 1994 | 21 Jun 1995 | British | 73 years |
| Jacob Shields Ulrich | Director | 21 Mar 2005 | 31 Jul 2008 | British | 73 years |
| James Harold Current | Director | 23 Sept 1996 | 2 Mar 1997 | American | 82 years |
| James Thomas Hackett | Director | 18 Jul 1994 | 21 Jun 1995 | American | 72 years |
| Jonathan Damian Westby | Director | 1 Oct 2016 | 1 Sept 2020 | British | 54 years |
| Kenneth England Randolph | Director | 18 Jul 1994 | 2 Mar 1997 | American | 70 years |
| Lucy Elizabeth Caldwell | Secretary | 1 Dec 1997 | 8 Sept 2000 | British | - |
| Maria Bernadette Jones | Director | 2 Dec 1993 | 15 Jul 1994 | British | 71 years |
| Maria Bernadette Jones | Secretary | 17 Nov 1994 | 28 Mar 1995 | British | - |
| Mark Edwards | Secretary | 9 Jul 1996 | 30 Jan 1997 | British | - |
| Mark Lewis Hazelwood | Director | 8 Jul 1996 | 23 Sept 1996 | American | 77 years |
| Mark Sydney Clare | Director | 18 Jul 1994 | 20 Nov 2000 | British | 69 years |
| Mark Sydney Clare | Director | 14 Nov 2001 | 21 Mar 2005 | British | 69 years |
| Martin John Blaxall | Director | 2 Dec 1993 | 18 Jul 1994 | British | 67 years |
| Norman Blacker | Director | 17 Nov 1994 | 10 Nov 1995 | British | 88 years |
| Peter John Worby | Director | 24 May 2018 | 7 Jun 2019 | British | 70 years |
| Peter Julian Lehmann | Director | 28 Mar 1995 | 10 Nov 1995 | British | 82 years |
| Phillip Keague Bentley | Director | 20 Nov 2000 | 4 Jun 2007 | British | 67 years |
| Pierre Jean Marie Henri Jungels | Director | 12 Feb 1996 | 24 Sept 1996 | Belgian | 82 years |
| Roy Alan Gardner | Director | 1 Dec 1995 | 21 Mar 2005 | British | 81 years |
| Russell Herbert | Director | 18 Jul 1994 | 17 Nov 1994 | British | 82 years |
| Sandra Scott | Secretary | 2 Dec 1993 | 9 Jul 1996 | British | - |
| Stefka Georgieva Gerova | Director | 2 Jun 2020 | 11 Nov 2022 | Bulgarian | 47 years |
| Teresa Jane Furmston | Secretary | 30 Jan 1997 | 22 Feb 1999 | British | - |
| Vincent Mark Hanafin | Director | 31 Jul 2008 | 30 Nov 2018 | British | 67 years |