| CARLIN, Samantha ACTIVE | Secretary | 01 Jul 2020 | | | | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| CULLY, Rob ACTIVE | Director | 23 Apr 2025 | | England | November 1978 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| LAVER, Timothy James ACTIVE | Director | 07 Oct 2024 | | England | May 1975 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| KEARTLAND, Niall Robert RESIGNED | Secretary | 31 Jan 2006 | 30 Jun 2020 | | | 165 Bath Road, Slough, Berkshire, SL1 4AA |
| KIRKWOOD, Evelyn Patricia RESIGNED | Secretary | 31 Mar 2000 | 31 Jan 2006 | | | 95 Cranbrook Drive, Maidenhead, Berkshire, SL6 6SR |
| TOONEN, Sarah Catherine RESIGNED | Secretary | | 31 Mar 2000 | | | 41 Oaken Grove, Maidenhead, Berkshire, SL6 6HN |
| BLACK, Christopher James RESIGNED | Director | 07 Oct 2024 | 23 Apr 2025 | England | August 1973 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| BOON, John David RESIGNED | Director | 04 Jan 1999 | 04 Jun 2008 | United Kingdom | February 1962 | Pinecroft, Henley Road, Marlow, Buckinghamshire, SL7 2DG |
| BRENNAN, David Martin RESIGNED | Director | 30 Jan 2006 | 30 Apr 2014 | Ireland | July 1966 | 165 Bath Road, Slough, Berkshire, SL1 4AA |
| CELLIER, Rudolf RESIGNED | Director | 17 Aug 2020 | 07 Oct 2024 | England | October 1984 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| DAEMI, Vahid RESIGNED | Director | 01 Feb 1993 | 04 Jan 1999 | United Kingdom | April 1956 | Fourwinds, Woodland Way, Kingswood, Tadworth, Surrey, KT20 6NX |
| DYER, Matthew Richard RESIGNED | Director | 22 May 2014 | 01 Feb 2019 | England | February 1969 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| GOUDSMIT, Anton Cornelius RESIGNED | Director | | 01 Jan 1999 | | January 1939 | Vredelaan No 2, 11251 Ge Laren, Netherlands |
| GRANT-WILSON, Colin Andrew RESIGNED | Director | | 28 Apr 1995 | | July 1950 | 32 Ashleigh Road, Mortlake, London, SW14 8PX |
| HOLLANDER, Freddy RESIGNED | Director | | 27 Nov 1997 | | May 1950 | Trompenburg 6, Amstelveen, FOREIGN, Netherlands |
| KUIPER, Frits RESIGNED | Director | | 01 Apr 1993 | | November 1930 | Bussummer Weg 26, Blaricum, FOREIGN, Netherlands |
| KUNZEL, Harry RESIGNED | Director | 02 Apr 1997 | 29 Aug 1998 | | April 1950 | De Giek 46, Elburg 8081 Nw, The Netherlands, FOREIGN |
| LEVECKE, Hugo Maurice RESIGNED | Director | 02 Apr 1997 | 04 Jan 1999 | | December 1950 | Pastoor Hendrikspark 35, Laren (Nh), 1251 MB, Netherlands |
| MARTINEZ, Alfonso RESIGNED | Director | 01 Feb 2019 | 07 Oct 2024 | England | July 1961 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| MCNALLY, Kevin Daniel RESIGNED | Director | 03 Feb 2003 | 27 Jan 2006 | United Kingdom | July 1958 | The Foxcote Woodlands, Gerrards Cross, Buckinghamshire, SL9 8DE |
| MULLEN, Ian Nicholas RESIGNED | Director | 01 Apr 2019 | 19 Sep 2020 | England | March 1969 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| REILLY, Charles Vincent RESIGNED | Director | | 31 Jul 1991 | | July 1939 | 78 Cadogan Place, London, SW1X 9RP |
| SCHEFFERS, Hendrik RESIGNED | Director | 01 Apr 1993 | 04 Jan 1999 | | January 1948 | Dennenlaan 3g, Hoogerheide 4631 Be, Netherlands, FOREIGN |
| STEENVOORDEN, Patrick Marco RESIGNED | Director | 01 Jan 2015 | 01 Apr 2019 | United Kingdom | September 1972 | 165, Bath Road, Slough, Berkshire, SL1 4AA |
| STICKLAND, David George RESIGNED | Director | 12 May 2008 | 07 Nov 2014 | United Kingdom | May 1969 | 165 Bath Road, Slough, Berkshire, SL1 4AA |
| THOMAS, Howard Malcolm RESIGNED | Director | 01 Apr 1998 | 07 May 2003 | | February 1953 | 10 Sandlewood End, Beaconsfield, Buckinghamshire, HP9 2NW |
| VAN DER SPEK, Carel Nicolaas RESIGNED | Director | 13 Nov 1992 | 14 Dec 1993 | | September 1948 | 80 Lansdowne Road, London, W11 4LS |
| VAN LENNEP, Reinout Ferdinand RESIGNED | Director | 19 Jul 1994 | 30 Sep 1995 | | May 1950 | 22 Wool Road, Wimbledon, London, SW20 O8W |
| VAN WAESBERGHE, Ingo RESIGNED | Director | 22 Feb 1996 | 04 Jan 1999 | | May 1946 | 18 Egerton Terrace, London, SW3 2BT |
| WOOD ROE, William Robert RESIGNED | Director | | 01 Feb 1993 | | April 1943 | The Spinney Bagshot Road, Worplesdon Hill, Woking, Surrey, GU22 0QY |