| Alexander Junge | Director | 1 Dec 2015 | 18 May 2018 | German | 52 years |
| Alison Jane Hollow | Secretary | 30 Nov 1996 | 11 Aug 1997 | British | - |
| Amir Saadeddin Ibrahim | Director | 20 Aug 2010 | 1 Apr 2012 | British | 51 years |
| Amir Saadeddin Ibrahim | Director | 21 Sept 2020 | 30 Sept 2022 | British | 51 years |
| Andrea Margaret Thomas | Secretary | 11 Aug 1997 | 10 Sept 1997 | Other | - |
| Andrea Margaret Thomas | Secretary | 21 Jul 2008 | 1 Dec 2008 | Other | - |
| Andrew Steven Chubb | Director | 1 Jul 2005 | 1 Mar 2007 | British | 68 years |
| Arunan Muralee Sriskanda | Director | 15 Jan 2020 | 16 Oct 2020 | British | 42 years |
| Barry Poulten | Director | 11 Aug 1997 | 30 Dec 1998 | British | 75 years |
| Catherine Parkinson | Secretary | 2 Jan 2018 | 7 Jul 2023 | - | - |
| Clinton William Roeder | Director | 9 Feb 2022 | 28 Feb 2025 | American | 56 years |
| Daniel Bucaro | Director | 6 Dec 2021 | 4 Dec 2024 | American | 66 years |
| David Coleman | Director | 1 Oct 2000 | 20 Aug 2010 | British | 69 years |
| David Reid Kemp | Director | 1 Nov 1993 | 30 Nov 1996 | British | 81 years |
| Dawn Noel | Secretary | 1 Feb 2006 | 3 Nov 2006 | British | - |
| Desmond Earl Cowley | Director | 30 Nov 1996 | 1 Oct 2000 | British | 66 years |
| Donald Sinclair Macpherson Robertson | Director | 21 Apr 1989 | 31 Oct 1996 | British | 59 years |
| Eileen Mary Snape | Director | 21 Apr 1989 | 1 Nov 1994 | British | 79 years |
| Elizabeth Amelia Robertson | Director | 1 Nov 1995 | 30 Nov 1996 | British | 88 years |
| Elizabeth Amelia Robertson | Secretary | 21 Apr 1989 | 31 Jul 1995 | British | - |
| Elsa Miller Robertson | Director | 21 Apr 1989 | 30 Nov 1996 | British | 110 years |
| Fiona Margaret Shaw | Director | 1 Nov 1995 | 30 Nov 1996 | British | 61 years |
| Francis William Michael Starkie | Director | 1 Jul 2007 | 30 Sept 2009 | British | 77 years |
| Gerard Pieter Reumer | Director | 2 Jan 2018 | 9 Feb 2022 | Dutch | 63 years |
| Helen Jane Stanley | Secretary | 10 Sept 1997 | 19 Feb 2001 | British | - |
| Ian Courtenay Harrison | Director | 1 Mar 2007 | 1 Dec 2015 | British | 70 years |
| Janet Elvidge | Secretary | 3 Nov 2006 | 21 Jul 2008 | Other | - |
| John Davie Manson Robertson | Director | 20 Oct 1972 | 30 Nov 1996 | British | 97 years |
| John Hardy Cooper | Director | 23 Apr 1998 | 1 Feb 2001 | British | 64 years |
| John Howard White | Secretary | 1 Aug 1995 | 30 Nov 1996 | British | - |
| John Robertson | Director | 1 Nov 1995 | 30 Nov 1996 | British | 65 years |
| Laurence Adam Mackinnon Leslie | Director | 21 Apr 1989 | 13 Oct 1993 | British | 93 years |
| Marco Di Mario | Director | 1 Jun 2015 | 6 Dec 2021 | Italian | 57 years |
| Paul Augé | Director | 18 May 2018 | 28 Sept 2018 | Australian,argentine | 47 years |
| Paul Westerman | Director | 1 Apr 2012 | 1 Jun 2016 | Dutch | 57 years |
| Paul Workman | Director | 20 Aug 2010 | 2 Jan 2018 | British | 63 years |
| Paul Workman | Secretary | 5 Jan 2011 | 2 Jan 2018 | British | - |
| Peter John Hadley | Director | 30 Nov 1996 | 11 Aug 1997 | British | 69 years |
| Philip Matthew James Hill | Director | 2 Feb 2017 | 15 Jan 2020 | British | 51 years |
| Pieter Van Espen | Director | 20 Aug 2010 | 31 May 2015 | Belgian | 60 years |
| Rebecca Jayne Wright | Secretary | 1 Dec 2008 | 30 Jun 2010 | Other | - |
| Richard John Scanlan | Director | 1 Feb 2001 | 1 Jul 2005 | Australian | 75 years |
| Richard Wyndham Houghton | Director | 30 Nov 1996 | 23 Apr 1998 | British | 78 years |
| Robert Nelson Abernethy | Director | 21 Apr 1989 | 31 May 1993 | British | 83 years |
| Robert Sinclair Robertson | Director | 21 Apr 1989 | 30 Nov 1996 | British | 75 years |
| Roger Christopher Harrington | Director | 1 Oct 2009 | 16 Aug 2010 | British | 60 years |
| Ronald Park Johnston | Director | 21 Apr 1989 | 30 Nov 1996 | British | 81 years |
| Sidney Park Robertson | Director | 21 Apr 1989 | 30 Nov 1996 | British | 112 years |
| Sonya Leigh Adams | Director | 17 Jul 2019 | 15 Sept 2020 | Australian | 48 years |
| Stuart Antony Daniels | Secretary | 1 Oct 2003 | 1 Aug 2004 | British | - |
| Sunbury Secretaries Limited | Corporate Secretary | 1 Jul 2010 | 5 Jan 2011 | United Kingdom | - |
| Susan Eleanor Cathalifaud | Director | 1 Nov 1994 | 30 Nov 1996 | British | 67 years |
| William Fredrick Platt | Director | 3 Jan 2023 | 28 Feb 2025 | British | 43 years |
| Yasin Stanley Ali | Secretary | 19 Feb 2001 | 1 Feb 2006 | British | - |
| Yasin Stanley Ali | Secretary | 1 Aug 2004 | 1 Feb 2006 | Other | - |