| Alison Ann Hargreaves | Secretary | 3 Jul 1996 | 13 Aug 1999 | British | - |
| Allister George Morrison | Director | 1 Mar 2004 | 30 Sept 2013 | British | 78 years |
| Andrew John Bibby | Director | 1 Jan 2009 | 31 Dec 2010 | British Canadian | 69 years |
| Anthony Blake Wyand | Director | 11 Nov 1999 | 13 Nov 2008 | British | 83 years |
| Barbara Kux | Director | 13 Jun 2019 | 3 Aug 2020 | Swiss | 72 years |
| Caroline Mary Tolhurst | Secretary | 13 Aug 1999 | 11 Nov 1999 | British | - |
| Christopher Dale Pratt | Director | 2 Jun 2014 | 3 Aug 2020 | British | 70 years |
| David Alexander Cospatrick Home | Director | 11 Nov 1999 | 21 Feb 2000 | British | 83 years |
| David Alexander Cospatrick Home | Director | 9 Jun 2005 | 31 Dec 2010 | British | 83 years |
| Domenico Siniscalco | Director | 12 Jun 2008 | 12 Sept 2019 | Italian | 72 years |
| Douglas Robert Jan De Broekert | Director | 3 Jul 1996 | 10 Dec 1998 | British | 87 years |
| Edward Alan John George | Director | 1 Oct 2003 | 8 Nov 2007 | British | 88 years |
| Fiona Claire Reynolds | Director | 13 Sept 2018 | 3 Aug 2020 | British | 68 years |
| George Ian Macloy Cockburn | Director | 3 Jul 1996 | 31 Dec 1997 | British | 81 years |
| Gerald Cavendish | Director | 11 Nov 1999 | 1 May 2007 | British | 75 years |
| Ian Douglas Mair | Director | 28 Mar 2022 | 27 Jun 2024 | British | 53 years |
| Jeffrey Weingarten | Director | 18 Jun 2013 | 16 Sept 2016 | American | 78 years |
| Jeremy Henry Moore Newsum | Director | 3 Jul 1996 | 31 Dec 2016 | British | 71 years |
| John Nigel Courtenay James | Director | 11 Nov 1999 | 31 Dec 2000 | British | 91 years |
| John Richard Sclater | Director | 11 Nov 1999 | 31 Jul 2005 | British | 86 years |
| Jonathan Osborne Hagger | Director | 3 Jul 1996 | 31 May 2006 | British | 77 years |
| Jonathan Osborne Hagger | Secretary | 11 Nov 1999 | 15 Sept 2005 | British | - |
| Jonathon Roderick Alan Bond | Director | 28 Mar 2022 | 16 Sept 2025 | British | 63 years |
| Judith Patricia Ball | Secretary | 15 Sept 2005 | 15 Nov 2018 | British | - |
| Kurt Fridolin Viermetz | Director | 11 Nov 1999 | 10 Jun 2004 | German | 87 years |
| Lesley Mary Samuel Knox | Director | 9 Sept 2010 | 13 Sept 2018 | British | 73 years |
| Mark Antony Loveday | Director | 11 Nov 1999 | 21 Feb 2000 | British | 83 years |
| Martin Aldred | Director | 10 Dec 1998 | 11 Nov 1999 | British | 81 years |
| Matthew Winthrop Barzun | Director | 21 Mar 2019 | 3 Aug 2020 | American | 56 years |
| Michael George Alexander Mclintock | Director | 1 Mar 2012 | 3 Aug 2020 | British | 65 years |
| Neil Jones | Director | 10 Jun 2004 | 11 Jun 2009 | British | 60 years |
| Nicholas James Loup | Director | 22 Jul 2008 | 31 Dec 2010 | British | 66 years |
| Nicholas Richard Scarles | Director | 1 Jun 2006 | 31 May 2019 | British, | 64 years |
| Owen David Thomas | Director | 1 Jan 2011 | 31 Mar 2013 | American | 65 years |
| Peter Sean Vernon | Director | 1 Jul 2008 | 31 Dec 2010 | British | 67 years |
| Peter Sean Vernon | Director | 1 Jan 2017 | 30 Sept 2021 | British | 67 years |
| Philip Graham Dilley | Director | 10 Nov 2014 | 3 Aug 2020 | British | 71 years |
| Ralph William Hayward | Director | 11 Nov 1999 | 7 Aug 2002 | British | 83 years |
| Raymond Charles Williams | Director | 10 Dec 1998 | 11 Nov 1999 | British | 73 years |
| Robert Byers Kerr | Director | 24 Jul 2008 | 31 Dec 2010 | Australian | 65 years |
| Robin Shedden Broadhurst | Director | 1 Jan 2001 | 31 Dec 2011 | British | 80 years |
| Roderick David Kent | Director | 8 Mar 2000 | 30 Jun 2013 | British | 79 years |
| Stephen Howard Rhodes Musgrave | Director | 11 Nov 1999 | 30 Jun 2006 | British | 73 years |
| Stuart Robert Hartley Beevor | Director | 16 Jan 2003 | 31 Dec 2010 | British | 69 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 3 Jul 1996 | 3 Jul 1996 | - | - |
| William J Abelmann | Director | 12 Sept 2002 | 31 Dec 2008 | American | 76 years |