| Adam Mcghin | Director | 30 Sept 2016 | 27 Sept 2024 | British | 48 years |
| Adam Mcghin | Secretary | 4 Mar 2016 | 27 Sept 2024 | - | - |
| Andrew Rolland Cunningham | Director | 22 Apr 2005 | 31 Dec 2015 | British | 70 years |
| Hillary Michael Duckworth | Director | 2 Apr 1991 | 18 Feb 1998 | British | 72 years |
| Jonathan Sherley-dale | Director | 2 Apr 1991 | 25 Oct 2002 | British | 74 years |
| Marie Louise Glanville | Secretary | 22 Apr 2005 | 26 Jan 2006 | English | - |
| Marie Louise Glanville | Secretary | 17 Jul 2006 | 18 Dec 2008 | English | - |
| Michael Bryan Sherley-dale | Director | 2 Apr 1991 | 30 Nov 2005 | British | 72 years |
| Michael Patrick Windle | Secretary | 18 Dec 2008 | 4 Mar 2016 | British | - |
| Michael Patrick Windle | Secretary | 26 Jan 2006 | 17 Jul 2006 | British | - |
| Nicholas Peter On | Director | 23 Jan 2009 | 30 Sept 2016 | British | 63 years |
| Rupert Jerome Dickinson | Director | 22 Apr 2005 | 20 Oct 2009 | British | 67 years |
| Sarah Elizabeth Duckworth | Secretary | 2 Apr 1991 | 30 Sept 1993 | British | - |
| Stephen Alan Dabby | Secretary | 30 Sept 1993 | 6 May 1998 | British | - |
| Susan Wavell | Director | 6 Mar 1998 | 21 Dec 2005 | British | 68 years |
| Susan Wavell | Secretary | 6 May 1998 | 22 Apr 2005 | British | - |
| Trevor James Hemmings | Director | 2 Apr 1991 | 2 Mar 1998 | British | 91 years |
| Vanessa Kate Simms | Director | 11 Feb 2016 | 26 Apr 2021 | British | 51 years |