| FINE, Maxwell ACTIVE | Director | 23 Aug 2023 | | United States | May 1985 | 440, Park Avenue South, New York, New York, 10016, United States |
| TAN, Melody ACTIVE | Director | 24 Aug 2023 | | United States | January 1974 | 440, Park Avenue South, New York, New York, 10016, United States |
| GUTHRIE-BROWN, Stuart RESIGNED | Secretary | | 03 Mar 2006 | | | Wealdcote Wigley Bush Lane, South Weald, Brentwood, Essex, CM14 5QN |
| JORDAN, Margaret Alison RESIGNED | Secretary | 03 Mar 2006 | 06 Jul 2012 | | | 3d Dundee Road, Slough, Berks, SL1 4LG |
| WILLIAMS, Carol RESIGNED | Secretary | 06 Jul 2012 | 29 Dec 2017 | | | 3d Dundee Road, Slough, Berks, SL1 4LG |
| BROCKMAN, Keith RESIGNED | Director | 15 Dec 2014 | 25 May 2016 | United Kingdom | May 1956 | 3d Dundee Road, Slough, Berks, SL1 4LG |
| BULLIMORE, Simon RESIGNED | Director | | 12 Mar 1998 | | March 1942 | 46 Bathurst Mews, London, W2 2SB |
| ENEVOLDSEN, Gillian Mary RESIGNED | Director | 20 Feb 2009 | 28 Jan 2020 | Belgium | December 1962 | 3d Dundee Road, Slough, Berks, SL1 4LG |
| GUTHRIE-BROWN, Stuart RESIGNED | Director | | 15 Dec 2014 | United Kingdom | April 1948 | 3d Dundee Road, Slough, Berks, SL1 4LG |
| HAINES, David James RESIGNED | Director | 09 Aug 2016 | 14 Aug 2019 | England | May 1969 | 3d Dundee Road, Slough, Berks, SL1 4LG |
| HARRIS, Richard Charles William RESIGNED | Director | 12 Mar 1998 | 19 Aug 2002 | | April 1950 | 30 Ashwell Road, Oakham, Leicestershire, LE15 6QG |
| HIRSCH, Timothy RESIGNED | Director | 10 May 2022 | 12 Mar 2023 | United States | May 1985 | 440, Park Avenue South, New York, New York, 10016, United States |
| JORDAN, Margaret Alison RESIGNED | Director | 19 Aug 2002 | 06 Jul 2012 | England | February 1952 | 3d Dundee Road, Slough, Berks, SL1 4LG |
| LANGER, Ian James RESIGNED | Director | 15 Dec 2014 | 02 Jul 2021 | United Kingdom | November 1965 | 3d Dundee Road, Slough, Berks, SL1 4LG |
| PARTON, Andrew Richard RESIGNED | Director | 09 Aug 2016 | 10 May 2022 | United Kingdom | January 1968 | 21, Holborn Viaduct, London, EC1A 2DY, United Kingdom |
| PORTER, Helen Cheryl RESIGNED | Director | | 31 Jul 1994 | | June 1956 | 19a The Hermitage, Richmond, Surrey, TW10 6SH |
| SMITH, Zachary Mark RESIGNED | Director | 10 May 2022 | 12 Mar 2023 | United States | July 1977 | 440, Park Avenue South, New York, New York, 10016, United States |
| SUDAKOV, Leonid RESIGNED | Director | 10 May 2022 | 03 Sep 2025 | United States | February 1977 | 440, Park Avenue South, New York, New York, 10016, United States |
| WILLIAMS, Carol RESIGNED | Director | 06 Jul 2012 | 29 Dec 2017 | United Kingdom | December 1957 | 3d Dundee Road, Slough, Berks, SL1 4LG |