| Adrian James Henry Ewer | Director | 1 Nov 2002 | 26 Mar 2014 | British | 72 years |
| Anthony Paul Duckett | Secretary | 5 Jul 2002 | 1 Nov 2002 | British | - |
| Antonie Paul Woodbury | Director | 22 Dec 2008 | 30 Sept 2010 | British | 65 years |
| Benjamin Jon Grew | Director | 6 Apr 2023 | 11 May 2023 | British | 43 years |
| Brian John Payne | Director | 5 Dec 1996 | 5 Dec 1996 | British | 81 years |
| Christopher Hewetson Payne | Director | 5 Dec 1996 | 1 Nov 2002 | British | 66 years |
| Clare Underwood | Director | 24 Jun 2020 | 14 Jan 2022 | British | 53 years |
| David Bruce Marshall | Director | 1 Nov 2002 | 16 Mar 2012 | British | 65 years |
| Derek William Featherstone | Secretary | 5 Dec 1996 | 1 Nov 1999 | British | - |
| Emily Martin | Secretary | 24 Jun 2020 | 31 Jan 2022 | - | - |
| Guy Roland Marc Pigache | Director | 22 Dec 2008 | 9 Jul 2014 | British | 65 years |
| James Haydn Abbott | Director | 10 Mar 2023 | 17 Apr 2025 | British | 46 years |
| James Martin Storer | Director | 5 Dec 1996 | 1 Nov 2002 | British | 68 years |
| Kenneth Martin Robert Foster | Director | 22 Feb 1999 | 1 Nov 2002 | British | 80 years |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Maureen Anne Childs | Director | 5 Dec 1996 | 5 Dec 1996 | British | 89 years |
| Maureen Anne Childs | Secretary | 5 Dec 1996 | 5 Dec 1996 | British | - |
| Nicholas Campbell Paul | Director | 22 Feb 1999 | 1 Nov 2002 | British | 80 years |
| Patrick Francis John O'donnell-bourke | Director | 9 Jul 2014 | 9 May 2019 | British | 68 years |
| Paul Ernest Healey | Director | 5 Dec 1996 | 1 Nov 2002 | British | 76 years |
| Philip Naylor | Secretary | 4 Sept 2015 | 18 Jan 2019 | - | - |
| Robert Stephen Lidgate | Director | 5 Dec 1996 | 31 Jul 2003 | British | 80 years |
| Roger Keith Miller | Secretary | 1 Nov 1999 | 5 Jul 2002 | British | - |
| Roger Keith Miller | Secretary | 1 Nov 2002 | 27 Sept 2012 | British | - |
| Roger Paul Greville | Director | 22 Dec 2008 | 23 Jan 2012 | New Zealander | 68 years |
| Stuart Martin Colvin | Director | 16 Mar 2012 | 6 Apr 2023 | British | 53 years |
| Victoria Burnett | Secretary | 1 Feb 2022 | 14 Dec 2022 | - | - |
| Warren Lee | Director | 14 Jan 2022 | 20 Mar 2023 | British,american | 45 years |
