| Alice Hannah Black | Director | 31 Dec 2019 | 26 Aug 2022 | British | 42 years |
| Andrew Charles Phillip Carr Locke | Director | 22 Apr 2005 | 3 Jul 2007 | British | 72 years |
| Anna Lynnette Edgeworth | Director | 31 May 1996 | 11 Dec 2006 | British | 72 years |
| Anthony Edward Leyland | Director | 31 May 1996 | 31 Mar 1997 | British | 78 years |
| Anthony Graham Jones | Secretary | 1 Jan 1993 | 8 Oct 1993 | British | - |
| Catherine Bernadette Wheatley | Secretary | 3 Jun 1996 | 1 Jul 1998 | British | - |
| Christopher Carney | Director | 11 Dec 2006 | 12 Jun 2009 | British | 51 years |
| Claire Sheridan Mascau | Director | 1 Jan 1993 | 16 Sept 1994 | British | 78 years |
| David Michael Penton | Director | 1 Jan 1993 | 31 May 1996 | British | 86 years |
| James John Jordan | Director | 4 Feb 2002 | 31 Dec 2019 | British | 64 years |
| James John Jordan | Secretary | 4 Feb 2002 | 1 Dec 2009 | British | - |
| Michael Andrew Lonnon | Secretary | 1 Dec 2009 | 9 Dec 2024 | - | - |
| Michael Edward Francis Oreilly | Director | 1 Jan 1993 | 30 Sept 1994 | British | 81 years |
| Richard Cyril Campbell Saville | Director | 16 Sept 1994 | 14 May 2001 | British | 77 years |
| Roger Ward Grey | Director | 1 Jan 1993 | 31 May 1996 | British | 80 years |
| Ryan Dirk Mangold | Director | 12 Jun 2009 | 14 Oct 2011 | South African And British | 54 years |
| Stefan Edward Bort | Director | 31 May 1996 | 4 Feb 2002 | British | 65 years |
| Stefan Edward Bort | Secretary | 8 Oct 1993 | 4 Feb 2002 | British | - |