| FLITTERMAN, Daniel John ACTIVE | Secretary | 01 Apr 2021 | | | | Centurion House, London Road, Staines-Upon-Thames, TW18 4AX, England |
| FLITTERMAN, Daniel John ACTIVE | Director | 01 Jul 1999 | | England | July 1965 | Centurion House, London Road, Staines-Upon-Thames, TW18 4AX, England |
| GERBER, Glen Henry ACTIVE | Director | 30 May 2025 | | England | October 1962 | Centurion House, London Road, Staines-Upon-Thames, TW18 4AX, England |
| LEVTCHEVA, Petia Atanassova ACTIVE | Director | 01 Apr 2021 | | England | December 1966 | Centurion House, London Road, Staines-Upon-Thames, TW18 4AX, England |
| ROBERTSON, James Struan ACTIVE | Director | 30 May 2025 | | South Africa | July 1990 | Centurion House, London Road, Staines-Upon-Thames, TW18 4AX, England |
| FLITTERMAN, Daniel John RESIGNED | Secretary | 25 Jun 2007 | 12 Sep 2007 | | | 22 Uphill Road, London, NW7 4RB |
| HAYES, Donald RESIGNED | Secretary | 12 Sep 2007 | 31 Mar 2021 | | | Gardiner House, 6b Hemnall Street, Epping, Essex, CM16 4LW, England |
| HAYES, Donald RESIGNED | Secretary | 01 Aug 2003 | 31 Mar 2004 | | | Old Rectory Cottage Springs Close, Eliesborough, Aylesbury, Buckinghamshire, HP17 0XE |
| HAYES, Donald RESIGNED | Secretary | | 01 Sep 1999 | | | Old Rectory Cottage Springs Close, Eliesborough, Aylesbury, Buckinghamshire, HP17 0XE |
| PATERSON, Rowan Mark RESIGNED | Secretary | 01 Sep 1999 | 01 Aug 2003 | | | 135 Downhall Park Way, Rayleigh, Essex, SS6 9TP |
| WILLIAMS, Joanne Lesley RESIGNED | Secretary | 31 Mar 2004 | 25 Jun 2007 | | | 107 Byfleet Road, New Haw, Addlestone, Surrey, KT15 3LD |
| BOURNE, Clive John RESIGNED | Director | | 31 Dec 1996 | | September 1942 | The Rodings, Roding Lane, Chigwell, Essex, IG7 6BE |
| BOURNE, Joy Hilary, Lady RESIGNED | Director | 01 Mar 2009 | 30 May 2025 | England | August 1946 | Gardiner House, 6b Hemnall Street, Epping, Essex, CM16 4LW, England |
| COWELL, Peter Graeme RESIGNED | Director | 01 Nov 1993 | 29 Jan 1996 | | October 1948 | 1 Meadow Way, Bracknell, Berkshire, RG42 1UE |
| HAYES, Donald RESIGNED | Director | 01 Mar 2009 | 31 Mar 2021 | United Kingdom | October 1934 | Gardiner House, 6b Hemnall Street, Epping, Essex, CM16 4LW, England |
| HAYES, Donald RESIGNED | Director | | 31 Mar 2004 | United Kingdom | October 1934 | Old Rectory Cottage Springs Close, Eliesborough, Aylesbury, Buckinghamshire, HP17 0XE |
| HUDSON, Nigel Charles RESIGNED | Director | 01 Jul 1999 | 31 Mar 2021 | United Kingdom | December 1963 | Gardiner House, 6b Hemnall Street, Epping, Essex, CM16 4LW, England |
| MOREIN, David Mendel RESIGNED | Director | | 31 Mar 2004 | United Kingdom | October 1934 | 10 Blandford Close, Hampstead Garden Suburb, London, N2 0DH |
| PATERSON, Rowan Mark RESIGNED | Director | 14 Mar 2001 | 01 Aug 2003 | England | October 1954 | 135 Downhall Park Way, Rayleigh, Essex, SS6 9TP |
| WILLIAMS, Joanne Lesley RESIGNED | Director | 31 Mar 2004 | 25 Jun 2007 | | November 1969 | 107 Byfleet Road, New Haw, Addlestone, Surrey, KT15 3LD |
| WILLIAMS, Robert Boyd RESIGNED | Director | 21 Oct 1996 | 29 Jun 2001 | United Kingdom | November 1951 | 24 St Johns Close, Saffron Walden, Essex, CB11 4AR |