| Alan Charles Froggatt | Director | 12 Dec 2003 | 16 May 2005 | British | 76 years |
| Alex Constantinos Naftis | Secretary | 31 Mar 2000 | 27 Sept 2023 | British | - |
| Alexis John Lowth | Director | 26 Jan 2006 | 31 Aug 2010 | British | 54 years |
| Arlin E. Gaffner | Director | 17 Nov 2017 | 1 Jun 2018 | American | 69 years |
| Barry Douglas White | Director | 10 Jun 1998 | 31 Dec 2000 | British | 86 years |
| Brett White | Director | 29 Jan 2002 | 31 Aug 2010 | American | 65 years |
| Christopher Rush Oster | Director | 1 Jul 2020 | 25 Mar 2022 | British,american | 55 years |
| Ciaran Edward Bird | Director | 1 Jan 2013 | 26 Sept 2025 | British | 54 years |
| Clare Alice Wilson | Director | 27 Mar 1998 | 10 Jun 1998 | British | 60 years |
| Dara Ann Bazzano | Director | 1 Jun 2018 | 1 Jul 2020 | American | 57 years |
| Donald Newell | Director | 3 Jul 1998 | 31 Dec 2000 | British | 83 years |
| Duncan James Green | Director | 25 Nov 2015 | 19 Aug 2019 | British | 63 years |
| Elizabeth Thetford | Secretary | 10 Jun 1998 | 2 Nov 1998 | British | - |
| Ellis Dewitt Reiter | Director | 29 Jan 2002 | 11 Jul 2005 | American | 87 years |
| Enda Gerard Foley | Director | 19 Aug 2019 | 2 Feb 2021 | Irish | 54 years |
| Gil Borok | Director | 31 Aug 2010 | 17 Nov 2017 | American | 57 years |
| Hendrikus Johannes Bernadus Voskuilen | Director | 27 Apr 2021 | 29 May 2024 | Dutch | 58 years |
| James Armistead Reid | Director | 1 Jan 2001 | 1 Oct 2002 | American | 71 years |
| James Didion | Director | 3 Jul 1998 | 15 Sept 1999 | American | 86 years |
| James Leonetti | Director | 1 Jan 2001 | 2 Jan 2002 | American | 66 years |
| Jeremy David Kraft | Director | 20 Dec 2002 | 20 Jul 2004 | British | 60 years |
| John Christopher Haeckel | Director | 10 Jun 1998 | 18 Feb 2000 | American | 66 years |
| John Kenneth Swain | Secretary | 2 Nov 1998 | 31 Mar 2000 | British | - |
| Laurence Howard Midler | Director | 11 Jul 2005 | 31 Oct 2018 | American | 61 years |
| Maria Mancini Minetti | Director | 12 Apr 2022 | 7 Apr 2025 | American | 44 years |
| Mark Francis Creamer | Director | 19 Sept 2000 | 29 Sept 2017 | British | 68 years |
| Martin David Samworth | Director | 23 Jul 2003 | 31 Dec 2020 | British | 65 years |
| Martin Sean Lewis | Director | 19 Aug 2010 | 7 Dec 2017 | British | 62 years |
| Martin Victor Lubieniecki | Director | 12 Dec 2003 | 19 May 2008 | British | 62 years |
| Michael John Giles | Director | 30 Jun 1998 | 4 Nov 1998 | British | 67 years |
| Michael John Strong | Director | 23 Jul 2003 | 25 Nov 2015 | British | 78 years |
| Neil Vaughan Thomas | Director | 16 Oct 2002 | 3 Apr 2003 | British | 69 years |
| Office Organization & Services Limited | Corporate Secretary | 21 Apr 1998 | 10 Jun 1998 | United Kingdom | - |
| Okubanke Adebola Odunaike | Director | 2 Feb 2021 | 13 Jun 2022 | British | 46 years |
| Pamela Elizabeth Dunning | Director | 27 Mar 1998 | 10 Jun 1998 | British | 56 years |
| Pasha Zargarof | Director | 31 Oct 2018 | 23 Feb 2021 | American | 52 years |
| Philip George Emburey | Director | 19 May 2008 | 25 Nov 2015 | British | 70 years |
| Ray Wirta | Director | 3 Jul 1998 | 2 Jan 2002 | American | 81 years |
| Robert Andrew Farnes | Director | 3 Jul 1998 | 31 Dec 2002 | British | 80 years |
| Roderick Andrew Grant | Director | 3 Jul 1998 | 31 Dec 2000 | British | 83 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 27 Mar 1998 | 21 Apr 1998 | United Kingdom | - |
| Walter Vaughn Stafford | Director | 10 Jun 1998 | 31 Dec 2001 | American | 85 years |