| ANSLEY-YOUNG, Martin James ACTIVE | Secretary | 01 Apr 2007 | | | | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| CHUNG, Cordelia ACTIVE | Director | 01 Apr 2020 | | Hong Kong | August 1959 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| COUSINS, Fiona Mary ACTIVE | Director | 01 Apr 2017 | | United States | October 1967 | Arup, 77 Water Street, New York, New York, 10005, United States |
| FROST, Jerome Anthony ACTIVE | Director | 01 Apr 2017 | | United Kingdom | February 1971 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| HARPER, Katherine Carolyn ACTIVE | Director | 22 Apr 2025 | | United States | March 1963 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| TONNE, Hilde Merete ACTIVE | Director | 01 Apr 2023 | | Norway | September 1965 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| WYLLIE, Andrew ACTIVE | Director | 22 Apr 2025 | | England | December 1962 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| IRONS, Stuart Leonard RESIGNED | Secretary | | 31 Mar 2001 | | | 185 Eastwood Road, Rayleigh, Essex, SS6 7LE |
| SOMERS, Michael John RESIGNED | Secretary | 01 Apr 2001 | 31 Mar 2007 | | | Links Cottage, Links Road, Bradwell, Braintree, Essex, CM77 8DS |
| AYRES, Peter Geoffrey RESIGNED | Director | 01 Oct 2001 | 31 Mar 2004 | | May 1943 | F9 Scenic Villa, 12 Scenic Villa Drive, Pokfulam, Hong Kong |
| AYRES, Peter Geoffrey RESIGNED | Director | 01 Apr 1998 | 30 Sep 2001 | | May 1943 | F9 Scenic Villa, 12 Scenic Villa Drive, Pokfulam, Hong Kong |
| BAILEY, Peter Anthony RESIGNED | Director | 01 Apr 2012 | 31 Mar 2019 | Australia | September 1960 | Barrack Place, Level 5, 131-151 Clarence Street, Sydney, Nsw 2000, Australia |
| BALMOND, Cecil Hugh Ignatius RESIGNED | Director | 01 Oct 2001 | 31 Mar 2007 | England | February 1943 | 13 Crouch Hall Road, London, N8 8HT |
| BALMOND, Cecil Hugh Ignatius RESIGNED | Director | 01 Apr 1998 | 30 Sep 2001 | England | February 1943 | 13 Crouch Hall Road, London, N8 8HT |
| BARKER, Charles Thomas RESIGNED | Director | | 31 Mar 1998 | | July 1936 | West Cottage, Frieth, Henley On Thames, Oxfordshire, RG9 6PG |
| BASTER, Jennifer RESIGNED | Director | 01 Nov 2009 | 31 Mar 2013 | England | August 1949 | 13 Fitzroy Street, London, W1T 4BQ |
| BEAR, Michael David, Sir RESIGNED | Director | 01 Oct 2009 | 30 Sep 2015 | United Kingdom | January 1953 | 13 Fitzroy Street, London, W1T 4BQ |
| BELFIELD, Alan James, Dr RESIGNED | Director | 01 Apr 2006 | 31 Mar 2024 | England | May 1956 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| CARE, Robert Frank, Dr RESIGNED | Director | 01 Sep 2007 | 31 Mar 2014 | England | October 1950 | 13 Fitzroy Street, London, W1T 4BQ |
| CARFRAE, Tristram George Allen RESIGNED | Director | 01 Apr 2005 | 31 Mar 2024 | England | April 1959 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| CHAMLEY, Peter John RESIGNED | Director | 01 Apr 2014 | 31 Mar 2021 | Australia | January 1956 | 13 Fitzroy Street, London, W1T 4BQ |
| CHAN, Andrew Ka Ching, Dr RESIGNED | Director | 01 Oct 2001 | 31 Mar 2014 | China | October 1949 | 13 Fitzroy Street, London, W1T 4BQ |
| CHAN, Andrew Ka Ching, Dr RESIGNED | Director | 01 Apr 1998 | 30 Sep 2001 | China | October 1949 | 24 C Kingsford Height, 17-19 Babington Path, Hong Kong, FOREIGN, Hong Kong |
| COUGHLAN, Paul Anthony RESIGNED | Director | 01 Apr 2019 | 31 Mar 2025 | Netherlands | November 1965 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| COWELL, James Richard RESIGNED | Director | 01 Oct 2001 | 10 Nov 2006 | | October 1944 | Vivace High Road, Leavenheath, Colchester, Essex, CO6 4PE |
| COWELL, James Richard RESIGNED | Director | 01 Apr 1998 | 30 Sep 2001 | | October 1944 | Vivace High Road, Leavenheath, Colchester, Essex, CO6 4PE |
| DEDRING, Isabel RESIGNED | Director | 01 Apr 2019 | 31 Mar 2025 | United Kingdom | August 1971 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| DILLEY, Philip Graham, Sir RESIGNED | Director | 01 Apr 2006 | 31 Mar 2014 | United Kingdom | February 1955 | 13 Fitzroy Street, London, W1T 4BQ |
| EMMERSON, Robert Frank RESIGNED | Director | | 31 Mar 2004 | | October 1938 | 42 Nassau Road, London, SW13 9QE |
| FERGUSON, Donald Mackay RESIGNED | Director | | 31 Oct 1994 | | May 1940 | 10 Onslow Gardens, London, N10 3JU |
| FITZPATRICK, Anthony James RESIGNED | Director | 01 Oct 2001 | 26 Jul 2003 | | June 1951 | 2279 Mar East, Tiburon, California 94920, U S A |
| FITZPATRICK, Anthony James RESIGNED | Director | 01 Apr 1994 | 30 Sep 2001 | | June 1951 | 7 Firs Walk, Tewin Wood, Herts, AL6 0NY |
| HARVEY, John Douglas RESIGNED | Director | 01 Oct 2001 | 31 Mar 2004 | United Kingdom | June 1944 | Hunters Lodge, Buckenhill, Bromyard, Herefordshire, HR7 4PG |
| HARVEY, John Douglas RESIGNED | Director | 01 Apr 1998 | 30 Sep 2001 | United Kingdom | June 1944 | Hunters Lodge, Buckenhill, Bromyard, Herefordshire, HR7 4PG |
| HARYOTT, Richard Baskcomb RESIGNED | Director | | 30 Sep 2001 | United Kingdom | March 1941 | Wellpond Cottage, Brickendon, Hertford, Hertfordshire, SG13 8NU |
| HILL, Terence Malcolm RESIGNED | Director | 01 Oct 2001 | 31 Mar 2009 | United Kingdom | June 1948 | 49 Lancaster Road, St Albans, Hertfordshire, AL1 4EP |
| HINKERS, Eva Maria RESIGNED | Director | 01 Apr 2021 | 31 Mar 2025 | Germany | June 1963 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| HODKINSON, Gregory Scott RESIGNED | Director | 01 Sep 2007 | 31 Mar 2019 | United Kingdom | June 1955 | 13 Fitzroy Street, London, W1T 4BQ |
| HOWARD, Andrew Simon RESIGNED | Director | 01 Apr 2021 | 31 Mar 2025 | United States | December 1964 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| IRWIN, Frederick George Ernest RESIGNED | Director | | 31 Mar 1996 | | November 1933 | 46 Selly Wick Road, Selly Park, Birmingham, West Midlands, B29 7JA |
| KWOK, Michael Ka-Yue RESIGNED | Director | 01 Apr 2011 | 31 Mar 2023 | Hong Kong | July 1962 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| LANGFORD, Peter RESIGNED | Director | 01 Apr 1999 | 30 Sep 2001 | | March 1942 | 30 Raglan Lane, Ballsbridge, Dublin 4, IRISH, Ireland |
| LEE, Yuk Nin Andy, Dr RESIGNED | Director | 01 Apr 2023 | 24 Apr 2024 | Hong Kong | August 1967 | Level 5, Festival Walk, 80 Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong |
| LUI, Lup Moon RESIGNED | Director | 01 Sep 2007 | 31 Mar 2017 | Hong Kong | July 1952 | 13 Fitzroy Street, London, W1T 4BQ |
| MARRIOTT, Anthony John RESIGNED | Director | | 31 Mar 1996 | | October 1938 | 5 Jameson Road, Harpenden, Hertfordshire, AL5 4HG |
| MARTIN, John Neville RESIGNED | Director | | 31 Mar 1995 | | April 1932 | Broadheath Nutcombe Lane, Hindhead, Surrey, GU26 6BP |
| MICHAEL, Duncan, Dr RESIGNED | Director | | 30 Sep 2001 | | May 1937 | 21 Marryat Road, London, SW19 5BB |
| MILES, John Charles RESIGNED | Director | 01 Oct 2001 | 31 Mar 2011 | United Kingdom | February 1951 | 13 Fitzroy Street, London, W1T 4BQ |
| MILES, John Charles RESIGNED | Director | 01 Apr 1994 | 30 Sep 2001 | United Kingdom | February 1951 | 8 Passalewe Lane, Wavendon Gate, Milton Keynes, Buckinghamshire, MK7 7RF |
| MITCHELL, Dervilla Mary RESIGNED | Director | 01 Apr 2014 | 31 Mar 2024 | England | August 1958 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| NISSEN, Jorgen RESIGNED | Director | | 31 Mar 1998 | | May 1935 | King's Mead, Ewelme, Wallingford, Oxfordshire, OX10 6HP |
| O'BRIEN, Turlogh Patrick RESIGNED | Director | | 31 Mar 2004 | | May 1942 | 13 Leinster Mews, London, W2 3EY |
| RAMAN, Mahadev RESIGNED | Director | 01 Sep 2007 | 31 Mar 2017 | United States | February 1957 | Arup, 77 Water Street, New York, Usa, NY 10005, Usa |
| SARGENT, Michael David Peter RESIGNED | Director | | 30 Sep 2001 | | March 1939 | 15 Shap Longkau Tsuen, Lantau Island, Hong Kong |
| SHEARS, Michael RESIGNED | Director | | 31 Mar 2004 | | March 1940 | Barton House 22 The Street, Kennington, Ashford, Kent, TN24 9HB |
| SHORE, Genevieve RESIGNED | Director | 01 Jan 2017 | 30 Jun 2019 | England | May 1969 | 70, Conduit Street, London, W1S 2GF, England |
| SINGLETON, David John RESIGNED | Director | 01 Oct 2001 | 31 Mar 2011 | Australia | February 1950 | 13 Fitzroy Street, London, W1T 4BQ |
| STONE, Timothy John RESIGNED | Director | 19 Nov 2015 | 31 Mar 2023 | England | May 1951 | 8, Fitzroy Street, London, W1T 4BJ, United Kingdom |
| STROUD, Martyn Arthur, Dr RESIGNED | Director | 01 Apr 1994 | 30 Sep 2001 | | July 1943 | 35 Queens Crescent, Marshalswick, St Albans, Hertfordshire, AL4 9QQ |
| THOMPSON, Nigel Cooper, Sir RESIGNED | Director | | 31 Mar 1996 | England | June 1939 | Grove Farm House, Stitchcombe, Marlborough, Wiltshire, SN8 2NG |
| TURNBULL, Andrew, Lord RESIGNED | Director | 01 Apr 2006 | 06 Jun 2007 | United Kingdom | January 1945 | 82 Idmiston Road, London, SE27 9HQ |
| TWEEDIE, Matthew Stuart RESIGNED | Director | 01 Apr 2017 | 30 Sep 2019 | England | December 1971 | 13 Fitzroy Street, London, W1T 4BQ |
| WHITTLETON, David Arthur RESIGNED | Director | 01 Oct 2001 | 31 Mar 2017 | United Kingdom | May 1951 | 13 Fitzroy Street, London, W1T 4BQ |
| WHITTLETON, David Arthur RESIGNED | Director | 01 Apr 1998 | 30 Sep 2001 | United Kingdom | May 1951 | 9 Lansdowne Circus, Leamington Spa, Warwickshire, CV32 4SW |
| WHYTE, Thomas John Fergal RESIGNED | Director | 01 Apr 2017 | 31 Mar 2025 | Hong Kong | January 1968 | Level 5, Festival Walk, 80 Tat Chee Avenue Kowloon Tong, Kowloon, Hong Kong, Hong Kong |
| WOODS, Ngaire Tui, Dr. RESIGNED | Director | 01 Jan 2011 | 31 Dec 2016 | England | February 1963 | University College, High Street, Oxford, OX1 4BH, England |