| ALI, Arifur Rahman ACTIVE | Secretary | 18 Aug 2009 | | | | 18, Bickersteth Road, Tooting, London, SW17 9SG |
| KNOTT, Michael Gordon ACTIVE | Director | 24 Nov 2023 | | England | April 1965 | Ground Floor, 55 Baker Street, London, W1U 8EW, England |
| SCHAIBLE, Stefan Georg ACTIVE | Director | 16 Mar 2024 | | Germany | March 1968 | Ground Floor, 55 Baker Street, London, W1U 8EW, England |
| AVES, Peter Nicholas RESIGNED | Secretary | 16 Sep 2004 | 18 Aug 2009 | | | 26 Sidney Square, London, E1 2EY |
| DUFFIELD, Alistair Andrew RESIGNED | Secretary | | 07 May 1993 | | | Garden Flat 2 Melbury Road, London, W14 8LP |
| DUNCAN, Jane Alison RESIGNED | Secretary | 07 May 1993 | 01 Sep 1995 | | | 55a Clapham Common North Side, Clapham, London, SW4 9RX |
| NICHOLAS, Stephen Richard RESIGNED | Secretary | 31 May 1997 | 16 Sep 2004 | | | 21 Chelverton Road, Putney, London, SW15 1RN |
| PEARSON, Nigel William RESIGNED | Secretary | 01 Sep 1995 | 31 May 1997 | | | 21 Adams Close, Surbiton, Surrey, KT5 8LB |
| BERGER, Roland RESIGNED | Director | 25 Apr 1997 | 18 Aug 2009 | | November 1937 | Robert Koch Strasse 39a, Gruenwald, D-82031, Germany |
| BERRET, Marcus RESIGNED | Director | 15 Jan 2021 | 15 Mar 2024 | Germany | July 1971 | Ground Floor, 55 Baker Street, London, W1U 8EW, England |
| BLACK, Michael Thomas RESIGNED | Director | | 30 Jun 1991 | | February 1947 | Trio House Knowl Hill, Woking, Surrey, GU22 7HL |
| COLLOT D'ESCURY, Tijo Johannes Guyon, Baron RESIGNED | Director | 23 Apr 2012 | 15 Jan 2021 | Netherlands | October 1966 | Ground Floor, 55 Baker Street, London, W1U 8EW, England |
| DAVISON, Ian Frederic Hay RESIGNED | Director | 18 Dec 1996 | 06 Aug 1998 | | June 1931 | North Cheriton Manor, Templecombe, Somerset, BA8 0AE |
| DE PANAFIEU, Olivier RESIGNED | Director | 15 Jan 2021 | 11 Mar 2022 | France | February 1970 | Ground Floor, 55 Baker Street, London, W1U 8EW, England |
| DUNNE, Philip Spencer RESIGNED | Director | 18 Sep 2020 | 24 Nov 2023 | England | October 1965 | Ground Floor, 55 Baker Street, London, W1U 8EW, England |
| EICHELMANN, Thomas RESIGNED | Director | 12 Nov 2004 | 03 Sep 2007 | | July 1965 | Pienzenauerstrasse 27, Munich, Bavaria 81679, FOREIGN, Germany |
| GODDEN, Ian Adam RESIGNED | Director | 23 Dec 1999 | 01 Jul 2004 | United Kingdom | November 1953 | 9 Drax Avenue, London, SW20 0EG |
| GOLDSCHMIDT, Paul Lionel RESIGNED | Director | 19 Dec 1994 | 27 Jul 2003 | | November 1952 | 101 Boulevard Malesherbes, Paris 75116, France |
| HAMBRO, Rupert Nicholas RESIGNED | Director | 01 Sep 2000 | 04 Apr 2003 | | June 1943 | 54 Jermyn Street, London, SW17 6LX |
| HAUSRUCKINGER, Gerhard, Dr RESIGNED | Director | 01 Jan 1999 | 04 Apr 2003 | | August 1961 | 8 Priory Road, Kew Green, Richmond, Surrey, TW9 3DF |
| HILDYARD, Nigel David RESIGNED | Director | 01 Jun 1995 | 01 Jan 1999 | United Kingdom | February 1955 | 20 Hopewell Yard, Hopewell Street, London, SE5 7QS |
| JOWETT, Paul Melville, Dr RESIGNED | Director | 23 Apr 2012 | 01 Jan 2018 | Germany | May 1959 | 6th, Floor, 55 Baker Street, London, W1U 8EW, United Kingdom |
| KALTHOFF, Otto Ulrich, Dr RESIGNED | Director | | 05 Jun 1997 | | September 1947 | Wehrlestr 29, 8000 Munchen 80, Germany |
| KENNEDY, Allan RESIGNED | Director | 07 May 1993 | 31 Dec 1996 | | July 1943 | 35a Warrington Crescent, London, W9 1EJ |
| LINTNER, Alexander RESIGNED | Director | 31 Aug 1998 | 01 Jan 1999 | | January 1962 | 9 Clarelawn Avenue, London, SW14 8BH |
| LYNCH, Kevin Joseph RESIGNED | Director | 23 Dec 1999 | 01 Sep 2000 | | September 1964 | Flat 28, 1 Britton Street, London, EC1M 5NW |
| MCLEOD, Stephen Douglas RESIGNED | Director | 09 Apr 1996 | 31 Mar 1997 | | January 1952 | 3a Clifton Gardens, London, W9 1AL |
| MULLER ESCHENBACH, Gordon Patrick RESIGNED | Director | 19 Nov 1998 | 23 Dec 1999 | | June 1969 | 24 Lansdowne Crescent, London, W11 2NS |
| RAGHAVAN, Anand, Mr. RESIGNED | Director | 01 Jan 2018 | 31 Aug 2019 | United Kingdom | December 1975 | 6th, Floor, 55 Baker Street, London, W1U 8EW |
| SCHWENKER, Burkhard, Dr RESIGNED | Director | 22 Oct 2003 | 23 Apr 2012 | Germany | April 1958 | 74, Sierichstrasse, Hamburg, D-22301, Germany |
| SHARMAN, David William Henry RESIGNED | Director | | 31 Mar 1995 | | January 1963 | 313 New Kings Road, London, SW6 4RF |
| STERN, David Paul, Dr RESIGNED | Director | 16 Sep 2004 | 23 Apr 2012 | England | March 1959 | 5 Frank Dixon Way, Dulwich, London, SE21 7BB |
| THOMSON, Robert William RESIGNED | Director | 01 Jan 2018 | 18 Sep 2020 | England | September 1966 | 6th, Floor, 55 Baker Street, London, W1U 8EW |