| Alison Ann Hargreaves | Secretary | 9 Aug 1993 | 13 Aug 1999 | British | - |
| Alison Jane Clegg | Director | 19 Dec 2019 | 3 Mar 2023 | British | 60 years |
| Antony Christie | Director | 10 Apr 2012 | 8 Aug 2012 | British | 62 years |
| Boris Van Warmerdam | Director | 24 May 2017 | 31 Mar 2019 | Dutch | 50 years |
| Caroline Hinchliffe | Secretary | 1 Jul 2008 | 31 Dec 2009 | British | - |
| Caroline Mary Tolhurst | Secretary | 13 Aug 1999 | 30 Jun 2008 | British | - |
| Christine Anne Chandler | Nominee Director | 17 Dec 1992 | 26 Mar 1993 | British | 71 years |
| Christopher Millard | Director | 7 Jul 2011 | 10 Apr 2012 | British | 57 years |
| David Robert Wright | Director | 16 Mar 2017 | 4 Jan 2021 | British | 45 years |
| Douglas Robert Jan De Broekert | Director | 26 Mar 1993 | 1 Jan 1998 | British | 87 years |
| George Ian Macloy Cockburn | Director | 26 Mar 1993 | 31 Dec 1997 | British | 81 years |
| James Gilles Raynor | Director | 31 Jan 2012 | 3 Feb 2017 | British | 53 years |
| Jeffrey Weingarten | Director | 26 Jun 2012 | 18 Jun 2013 | American | 78 years |
| Jeremy Henry Moore Newsum | Director | 26 Mar 1993 | 30 Jun 2008 | British | 71 years |
| Jonathan Osborne Hagger | Director | 26 Mar 1993 | 9 Dec 2008 | British | 77 years |
| Katharine Emma Robinson | Secretary | 31 Dec 2009 | 4 Aug 2010 | - | - |
| Leonie Watson-brock | Secretary | 4 Aug 2010 | 20 Sept 2013 | - | - |
| Lisa Sorrell | Secretary | 12 Mar 2014 | 18 Jan 2021 | - | - |
| Mark Robin Preston | Director | 1 Jan 1998 | 30 Apr 2004 | British | 58 years |
| Matthew David Buller Smith | Director | 4 Jan 2021 | 13 Nov 2023 | British | 39 years |
| Mervyn Howard | Director | 19 Apr 2002 | 30 Apr 2013 | British | 67 years |
| Nicholas Oliver Preston | Director | 30 Apr 2013 | 31 Jan 2016 | British | 58 years |
| Nicholas Richard Scarles | Director | 1 Jan 2005 | 26 Jan 2012 | British, | 64 years |
| Rachel Dickie | Director | 31 Mar 2023 | 31 Mar 2025 | British | 42 years |
| Richard Brian Mallett | Director | 9 Dec 2008 | 18 Jan 2021 | British | 59 years |
| Richard Simon Handley | Director | 1 Jan 1998 | 1 Jan 2005 | British | 72 years |
| Robert Arthur Reeve | Nominee Director | 17 Dec 1992 | 26 Mar 1993 | British | 95 years |
| Robert Richard Davis | Director | 1 Sept 2006 | 31 Mar 2019 | British | 59 years |
| Scott Mark Rowland | Director | 7 Jul 2011 | 8 Aug 2012 | British | 62 years |
| Sebastien Dominique Hyest | Director | 30 Apr 2013 | 31 Mar 2023 | French | 53 years |
| Stephen Howard Rhodes Musgrave | Director | 10 Apr 2000 | 1 Jan 2005 | British | 73 years |
| Stuart Robert Hartley Beevor | Director | 19 Apr 2002 | 17 Mar 2011 | British | 69 years |
| Trusec Limited | Corporate Nominee Secretary | 17 Dec 1992 | 26 Mar 1993 | United Kingdom | - |
| Virginia Duncan | Secretary | 20 Sept 2013 | 19 Feb 2014 | - | - |
| William Robert Holland | Secretary | 26 Mar 1993 | 9 Aug 1993 | British | - |
