| Amilha Young | Secretary | 15 May 2017 | 31 Jul 2018 | - | - |
| Aubrey John Adams | Director | 24 May 1991 | 7 May 2008 | British | 77 years |
| Borja Sierra | Director | 1 Jan 2011 | 1 Oct 2014 | Spanish | 57 years |
| Christina Elspeth Hildrey | Secretary | 6 Nov 1997 | 1 Jul 2001 | British | - |
| Clare Jacqueline Latham | Secretary | 24 May 1991 | 6 Nov 1997 | British | - |
| Craig Antony Watson | Director | 11 May 2009 | 31 Mar 2021 | British | 64 years |
| Danny O'donnell | Director | 20 May 2005 | 31 Mar 2023 | British | 62 years |
| George Patrick Francis Inge | Director | 24 May 1991 | 17 May 1999 | British | 85 years |
| James Fitzroy Dean | Director | 19 Jul 1994 | 30 Apr 1999 | British | 72 years |
| James Simon Ward Sparrow | Director | 1 Nov 2018 | 11 Jul 2019 | British | 59 years |
| Jeremy Charles Helsby | Director | 17 May 1999 | 31 Dec 2018 | British | 71 years |
| Juliette Natasha Stacey | Director | 15 Apr 2005 | 31 Dec 2010 | British | 56 years |
| Justin Anthony Crofts Roberts | Director | 17 May 1999 | 31 Dec 2000 | British | 79 years |
| Michaela Frances East | Secretary | 14 Jul 2008 | 20 May 2013 | British | - |
| Robert Alexander James Mckellar | Director | 31 Dec 2000 | 15 Apr 2005 | British | 67 years |
| Robert Lewis Dean | Director | 24 May 1991 | 17 May 1999 | British | 86 years |
| Ruth Tessa Michelson-carr | Secretary | 9 May 2003 | 14 Jul 2008 | British | - |
| Simon Richard Hope | Director | 8 Feb 2008 | 23 Mar 2017 | British | 62 years |
| Tina Lynne Cutler | Secretary | 1 Jul 2001 | 24 Feb 2004 | British | - |
| Victoria Maureen Mitchell | Director | 17 May 1999 | 31 Dec 2000 | British | 76 years |