| EMANUEL, Helen ACTIVE | Secretary | 25 Mar 2026 | | | | 15 Hill Street, London, W1J 5QT |
| BROOKS, Rupert John ACTIVE | Director | 31 Mar 1999 | | England | December 1967 | 15 Hill Street, London, W1J 5QT |
| GRUNDMANN, Swen Henrik ACTIVE | Director | 06 May 2025 | | Switzerland | August 1968 | 15, Hill Street, London, W1J 5QT, England |
| PERCETTI, Olivier ACTIVE | Director | 01 Apr 2025 | | England | June 1974 | 15 Hill Street, London, W1J 5QT |
| WELLESLEY, Arthur Charles Valerian, The Duke Of Wellington ACTIVE | Director | 29 Jul 1993 | | United Kingdom | August 1945 | 15 Hill Street, London, W1J 5QT |
| KAUFMANN, Albert Eric RESIGNED | Secretary | 28 Jul 1993 | 06 Jul 1998 | | | 41 Chemin Des Haut Chets, 1223 Cologny, Geneva, Switzerland |
| LAWRENCE, William Sackville Gwynne RESIGNED | Secretary | 31 Mar 1999 | 31 Dec 2012 | | | 15 Hill Street, London, W1J 5QT |
| PYE, James Edward Kinsey RESIGNED | Secretary | 29 Jul 1993 | 06 Jul 1998 | | | 2 Tufton Court, Tufton Street, London, SW1P 3QH |
| RAJAH-BARRETT, Shamini RESIGNED | Secretary | 29 Mar 2018 | 25 Mar 2026 | | | 15 Hill Street, London, W1J 5QT |
| STILL, Luanne RESIGNED | Secretary | 01 Oct 2014 | 29 Mar 2018 | | | 15 Hill Street, London, W1J 5QT |
| TAYLOR, Jessica Mary RESIGNED | Secretary | 31 Dec 2012 | 01 Jul 2014 | | | 15 Hill Street, London, W1J 5QT |
| WATSON, Rita RESIGNED | Secretary | 06 Jul 1998 | 31 Dec 1998 | | | No.2 Albemarle, 76 Wimbledon Parkside, London, SW19 5NP |
| AESCHIMANN, Jean Paul RESIGNED | Director | 29 Jul 1993 | 06 Jul 1998 | | August 1933 | 8 Chemin De La Gabiule, Collonge Bellerive, Canton Of Geneva, 1245, Switzerland |
| BALFOUR, Christopher Roxburgh RESIGNED | Director | 29 Jul 1993 | 22 May 1998 | England | August 1941 | 35 Kelso Place, London, W8 5QP |
| BENNETT, Michael Richard RESIGNED | Director | 29 Jul 1993 | 06 Jul 1998 | | October 1942 | 9 Chemin Aux Folies, Bellevue, Geneva, 1293, Switzerland |
| DESCHUYTENEER, Leo Georgy RESIGNED | Director | 29 Jul 1993 | 06 Jul 1998 | | April 1931 | 25 Rue Alfred Giron, Brussels 1050, Belgium |
| DU PLESSIS, Jan Petrus RESIGNED | Director | 09 Sep 1997 | 06 Jul 1998 | | January 1954 | 7 Westfield Road, Beaconsfield, Buckinghamshire, HP9 1EG |
| DUNNETT, Paul Alexander RESIGNED | Director | 09 May 2001 | 31 Oct 2001 | | January 1949 | 5 Admiral Square, Chelsea Harbour, London, SW10 0UU |
| FORSHAW, Neil Peter RESIGNED | Director | 31 Dec 1998 | 09 May 2001 | | April 1960 | 24 Grove Gardens, Tring, Hertfordshire, HP23 5PX |
| HENDERSON, Sheila Mary RESIGNED | Director | 01 Jan 2018 | 01 Apr 2025 | United Kingdom | October 1965 | 15 Hill Street, London, W1J 5QT |
| KANOUI, Joseph RESIGNED | Director | 20 Jul 1993 | 06 Jul 1998 | | January 1937 | 43 Quai Wilson, 1201 Geneva, Switzerland |
| KAUFMANN, Albert Eric RESIGNED | Director | 28 Jul 1993 | 06 Jul 1998 | | December 1947 | 41 Chemin Des Haut Chets, 1223 Cologny, Geneva, Switzerland |
| LAST, Christopher Kevin Richard RESIGNED | Director | 05 Aug 2002 | 16 Jul 2004 | | August 1967 | 13 Chelverton Road, London, SW15 1RN |
| LAWRENCE, William Sackville Gwynne RESIGNED | Director | 31 Mar 1999 | 31 Dec 2012 | England | September 1947 | 15 Hill Street, London, W1J 5QT |
| PADRINI, Susan RESIGNED | Director | 06 Jul 1998 | 31 Mar 1999 | | September 1962 | 99 Lansdowne Road, London, W11 2LE |
| PARR, Thomas Donald RESIGNED | Director | 29 Jul 1993 | 22 May 1998 | | September 1930 | Homestead Homestead Road, Disley, Stockport, Cheshire, SK12 2JP |
| PYE, James Edward Kinsey RESIGNED | Director | 06 Jul 1998 | 30 Jul 1999 | | September 1948 | 2 Tufton Court, Tufton Street, London, SW1P 3QH |
| RUPERT, Johann Peter RESIGNED | Director | 29 Jul 1993 | 06 Jul 1998 | South Africa | June 1950 | Groot Paardevle1, 29 Magnolia Street Heldervue, Somerset West, 7130, South Africa |
| SOARES, Mario, Dr RESIGNED | Director | 29 Jul 1993 | 06 Jul 1998 | | April 1933 | 33 Avenue Pierre Ler De Serbie, Paris, F75016, France |
| WATSON, Rita RESIGNED | Director | 06 Jul 1998 | 31 Dec 1998 | | September 1956 | No.2 Albemarle, 76 Wimbledon Parkside, London, SW19 5NP |
| WELCH-BALLENTINE, Caroline Delia RESIGNED | Director | 13 Sep 2016 | 01 Jan 2018 | England | December 1965 | 15 Hill Street, London, W1J 5QT |
| WILSON, Michael Sumner RESIGNED | Director | 29 Jul 1993 | 22 May 1998 | England | December 1943 | Flat 1, 42 Eaton Place, London, SW1X 8AL |