| Alistair Baillie | Director | 9 Mar 1998 | 1 Jun 2005 | British | 66 years |
| Bernadette Allinson | Secretary | 5 Oct 2007 | 15 Jun 2015 | Other | - |
| David Jack Leonard | Secretary | 5 Jun 2006 | 31 Aug 2006 | British | - |
| Douglas William Anderson | Director | 3 Jan 2001 | 10 Apr 2003 | Australian | 80 years |
| Flemming Dalgaard | Director | 16 Apr 2008 | 17 Jan 2014 | Danish | 61 years |
| Ganesh Raj Jayaraman | Director | 17 Jan 2014 | 16 Apr 2018 | Australian | 61 years |
| Iain David Cameron Simm | Director | 6 Oct 2005 | 10 Aug 2006 | British | 58 years |
| Ian Derek Power | Director | N/A | 13 Jul 1992 | British | 62 years |
| John Malcolm Crossman | Director | 13 Jul 1992 | 30 Jun 1996 | British | 85 years |
| John Mark Woollacott | Director | 10 Aug 2006 | 11 May 2010 | Australian | 54 years |
| Mantraraj Dipak Budhdev | Director | 25 Jun 2019 | 25 Nov 2021 | British | 39 years |
| Michael John Spencer Seymour | Director | 1 Jun 2005 | 6 Oct 2005 | British | 77 years |
| Michael Owen | Director | 13 Jul 1992 | 5 Mar 1998 | British | 83 years |
| Michael Owen | Secretary | N/A | 5 Mar 1998 | British | - |
| Mohammad Alhashimy | Secretary | 15 Jun 2015 | 20 Jul 2023 | - | - |
| Mohammad Ebrahim Ali Alhashimy | Director | 25 Jun 2019 | 20 Jul 2023 | British | 40 years |
| Nicholas Antony West | Director | 3 Jan 2001 | 30 Jun 2006 | British | 60 years |
| Nicholas Antony West | Secretary | 23 Mar 2001 | 5 Jun 2006 | British | - |
| Nicholas Haydn Glyndwr Rees | Secretary | 31 Aug 2006 | 23 Apr 2007 | British | - |
| Nicholas John Monteith | Director | N/A | 5 Mar 1998 | British | 72 years |
| Patrick William Walters | Director | 1 Jun 2005 | 16 Apr 2008 | British | 59 years |
| Patrick William Walters | Director | 9 Mar 1998 | 13 Mar 2001 | British | 59 years |
| Patrick William Walters | Secretary | 9 Mar 1998 | 13 Mar 2001 | British | - |
| Richard Michael Gradon | Director | 1 Jul 1996 | 5 Mar 1998 | British | 66 years |
| Richard Michael Gradon | Director | 6 Oct 2005 | 30 Jun 2006 | British | 66 years |
| Sameer Dileep Damle | Secretary | 23 Apr 2007 | 5 Oct 2007 | British | - |
| Sarmad Mehmood Qureshi | Director | 11 May 2010 | 25 Jun 2019 | British | 55 years |
| Simon James Edsall | Director | 6 Oct 2005 | 6 Apr 2007 | British | 58 years |