| Andrew Daryl Le Poidevin | Director | 21 Apr 2006 | 8 Dec 2017 | British | 68 years |
| Andrew Netemeyer | Director | 18 Nov 2010 | 31 Dec 2015 | American | 68 years |
| Anne Garrihy | Director | 28 Sept 1995 | 13 Jul 2001 | British | 66 years |
| Anne Garrihy | Secretary | 10 Jul 1996 | 30 Jan 1997 | British | - |
| Christopher John Stern | Director | 21 Feb 2011 | 13 Mar 2017 | English | 69 years |
| Combined Nominees Limited | Corporate Nominee Director | 2 Dec 1993 | 1 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 | - |
| Donald William John Patience | Director | 1 Dec 1995 | 30 Jan 1997 | British | 81 years |
| Ian Grant Dawson | Director | 30 Jan 1997 | 31 Jan 2000 | British | 67 years |
| Ian Ritchie | Director | 31 Jan 2000 | 14 Aug 2003 | British | 74 years |
| Ian Wood | Director | 14 Aug 2003 | 18 Nov 2010 | British | 68 years |
| Irfan Ahmad Mannan | Director | 28 Apr 2005 | 14 May 2007 | British | 61 years |
| Jacob Shields Ulrich | Director | 14 Aug 2003 | 31 Jul 2008 | British | 73 years |
| John Alan Beddoes | Director | 15 Jun 2007 | 9 Jun 2009 | British | 66 years |
| Jonathan Damian Westby | Director | 11 Mar 2016 | 1 Sept 2020 | British | 54 years |
| Maria Bernadette Jones | Director | 2 Dec 1993 | 28 Sept 1995 | British | 71 years |
| Martin John Blaxall | Director | 2 Dec 1993 | 1 Dec 1995 | British | 67 years |
| Michael David Kirwan | Director | 13 Mar 2017 | 27 Mar 2019 | Irish | 55 years |
| Nicholas James Dunn | Director | 28 Apr 2005 | 28 Apr 2005 | British | 60 years |
| Nicholas James Dunn | Director | 2 Aug 2005 | 21 Apr 2006 | British | 60 years |
| Nigel John Alcock | Director | 24 Jun 2008 | 9 Jun 2009 | British | 61 years |
| Paul Michael Dobson | Director | 15 Jun 2007 | 24 Jun 2008 | Canadian | 60 years |
| Peter John Worby | Director | 18 Apr 2018 | 7 Jun 2019 | British | 70 years |
| Sandra Scott | Secretary | 2 Dec 1993 | 10 Jul 1996 | British | - |
| Sarwjit Sambhi | Director | 14 Aug 2003 | 28 Apr 2005 | British | 57 years |
| Steven Leven | Director | 13 Jul 2001 | 14 Aug 2003 | British | 59 years |
| Stuart Craig Dee | Director | 9 Dec 2015 | 26 Sept 2017 | British | 54 years |
| Teresa Jane Furmston | Director | 30 Jan 1997 | 22 Feb 1999 | British | 59 years |
| Teresa Jane Furmston | Secretary | 30 Jan 1997 | 22 Feb 1999 | British | - |
| Tracy Lorraine Allen | Director | 26 Jul 1999 | 14 Aug 2003 | British | 60 years |
| Tracy Lorraine Allen | Secretary | 22 Feb 1999 | 9 Aug 2000 | British | - |
| Vincent Mark Hanafin | Director | 31 Jul 2008 | 30 Nov 2018 | British | 67 years |