| Andrea Gertrude Martha Montague | Director | 30 Apr 2020 | 12 Nov 2021 | British | 51 years |
| Andrew David Briggs | Director | 1 Jun 2011 | 9 Sept 2016 | British | 60 years |
| Andrew Maitland Dinwiddie | Director | 15 Dec 2021 | 5 Sept 2023 | British | 42 years |
| Andrew Mark Parsons | Director | 15 Sept 2010 | 30 Mar 2012 | British | 61 years |
| Belinda Jane Richards | Director | 1 Jun 2010 | 10 Apr 2015 | British | 68 years |
| Clive Adam Cowdery | Director | 26 Aug 2009 | 8 May 2014 | British | 63 years |
| David Emmanuel Hynam | Director | 15 Sept 2010 | 17 Dec 2012 | British | 55 years |
| David Frederick Swiffen Rogers | Director | 12 Aug 2016 | 13 Mar 2017 | British | 70 years |
| David Philip Allvey | Director | 5 Nov 2009 | 10 Apr 2015 | British | 81 years |
| Derek Andrew Ross | Director | 1 Feb 2010 | 28 Mar 2013 | British | 76 years |
| Diana Monger | Secretary | 5 Nov 2009 | 23 May 2011 | British | - |
| Evelyn Brigid Bourke | Director | 5 Nov 2009 | 21 Sept 2012 | Irish,british | 61 years |
| Geoffrey Joseph Levy | Director | 10 Aug 2009 | 26 Aug 2009 | British | 74 years |
| George Malcolm Williamson | Director | 5 Nov 2009 | 31 Aug 2016 | British | 87 years |
| Gerhard Boerries Karl Roggemann | Director | 5 Nov 2009 | 28 Mar 2013 | German | 78 years |
| Ian Graham Maidens | Director | 26 Aug 2009 | 27 Mar 2013 | British | 62 years |
| James Allen Newman | Director | 4 Sept 2009 | 27 Mar 2013 | British | 62 years |
| Jason Michael Windsor | Director | 1 Jul 2019 | 20 May 2022 | British | 54 years |
| John Ivan Tiner | Director | 26 Aug 2009 | 8 May 2014 | British | 69 years |
| John Robert Lister | Director | 13 Apr 2015 | 12 Aug 2016 | British | 68 years |
| Julian Charles Baddeley | Secretary | 29 Jun 2015 | 20 Jul 2022 | - | - |
| Karl Stephen Sternberg | Director | 20 May 2010 | 10 Apr 2015 | British | 57 years |
| Kathryn Tait | Secretary | 29 Jun 2015 | 25 Sept 2015 | - | - |
| Marian Glen | Director | 10 Oct 2013 | 10 Apr 2015 | British | 66 years |
| Mary Catherine Phibbs | Director | 27 Jul 2011 | 28 Mar 2013 | British/australian | 69 years |
| Mel Gerard Carvill | Director | 28 Mar 2013 | 10 Apr 2015 | British | 64 years |
| Mervyn Kay Pedelty | Director | 5 Nov 2009 | 26 Jan 2010 | British | 77 years |
| Michael Nicholas Biggs | Director | 28 Mar 2013 | 16 May 2013 | British | 74 years |
| Neil Harrison | Director | 1 Mar 2022 | 5 Sept 2023 | British | 51 years |
| Nicholas Stephen Leland Lyons | Director | 1 Feb 2010 | 10 Apr 2015 | Irish | 68 years |
| Nicole Frances Monir | Director | 10 Aug 2009 | 10 Aug 2009 | British | 59 years |
| Peter John Gibbs | Director | 15 Jul 2011 | 10 Apr 2015 | British | 68 years |
| Philip Andrew Hodkinson | Director | 28 Mar 2013 | 16 May 2013 | British | 68 years |
| Rhona Sim | Secretary | 20 Jul 2022 | 13 Oct 2022 | - | - |
| Robert Alexander Chaplin | Director | 10 Aug 2009 | 10 Aug 2009 | British | 53 years |
| Robin Ashley Phipps | Director | 5 Nov 2009 | 10 Apr 2015 | British | 76 years |
| Roger Kitson Perkin | Director | 16 May 2013 | 10 Apr 2015 | British | 78 years |
| Sarah Maillet | Director | 13 Mar 2017 | 13 Dec 2018 | British | 60 years |
| Shamira Mohammed | Director | 13 Dec 2018 | 30 Apr 2020 | British | 58 years |
| Simon Colin Mitchley | Director | 10 Aug 2009 | 26 Aug 2009 | British | 57 years |
| Simon Colin Mitchley | Secretary | 10 Aug 2009 | 5 Nov 2009 | British | - |
| Simon Donald Rich | Director | 12 Aug 2016 | 31 Dec 2016 | British | 62 years |
| Susan Sharrock Yates | Director | 13 Mar 2017 | 31 Dec 2019 | British | 68 years |
| Thomas Dawson Stoddard | Director | 12 Aug 2016 | 30 Jun 2019 | American | 60 years |
| Timothy Cardwell Wade | Director | 28 Mar 2013 | 10 Apr 2015 | Australian | 67 years |
| Timothy James William Tookey | Director | 5 Mar 2012 | 13 Apr 2015 | British | 64 years |
| Trevor John Matthews | Director | 5 Nov 2009 | 2 Jun 2011 | Australian | 74 years |
| Trusec Limited | Corporate Nominee Director | 10 Aug 2009 | 10 Aug 2009 | United Kingdom | - |
| Trusec Limited | Corporate Nominee Secretary | 10 Aug 2009 | 10 Aug 2009 | United Kingdom | - |
| Victoria Hames | Secretary | 23 May 2011 | 30 Jun 2015 | - | - |