| BLACKETT, Patricia Claire ACTIVE | Secretary | 21 Jun 2003 | | | | Pine Cottage, Thornden Wood Road, Herne Bay, Kent, CT6 7NZ |
| BLACK, Alistair John ACTIVE | Director | 23 Apr 2016 | | England | December 1965 | Berkeley House, Hay Hill, London, W1J 8NS, England |
| BOSETTI, Luca, Dr ACTIVE | Director | 11 May 2019 | | England | January 1976 | Berkeley House, Hay Hill, London, W1J 8NS, England |
| JAZANI, Berjanet, Dr ACTIVE | Director | 23 Apr 2016 | | United Kingdom | October 1980 | Berkeley House, Hay Hill, London, W1J 8NS, England |
| JONES, John Gwion ACTIVE | Director | 25 Jul 2020 | | England | November 1962 | 23, Northwick Road, Worcester, WR3 7DS, England |
| WORTHINGTON, Anne Elizabeth ACTIVE | Director | 27 Apr 2013 | | England | December 1953 | Suite 56, 571 Finchley Road, London, NW3 7BN, England |
| BLACKETT, Patricia Claire RESIGNED | Secretary | 01 Jul 1994 | 01 Aug 1999 | | | 60 Ivydale Road, London, SE15 3BS |
| CONOLLY, John Michael Patrick RESIGNED | Secretary | 20 Nov 1999 | 16 Feb 2000 | | | 48 Beresford Road, London, N8 0AJ |
| DU RY, Marc RESIGNED | Secretary | 19 Jun 2000 | 21 Jun 2003 | | | 1 Manor Mansions, Belsize Grove, London, NW3 4NB |
| HILL, Philip Harry Fenton RESIGNED | Secretary | 06 Jun 1998 | 27 Jul 1999 | | | 36 Stanhope Gardens, London, Msex, N65 TSU |
| BAR, Vivien Ruth RESIGNED | Director | 12 Oct 1996 | 02 Dec 2000 | | June 1945 | 5 Stanmore Road, London, N15 3PR |
| BENVENUTO, Bice RESIGNED | Director | 01 Jul 1994 | 30 May 1997 | | October 1950 | 23 Primrose Gardens, London, NW3 4UJ |
| BURGOYNE, Bernard RESIGNED | Director | 01 Jul 1994 | 14 Nov 1998 | | April 1943 | 5 Stanmore Road, London, N15 3PR |
| CONOLLY, John Michael Patrick RESIGNED | Director | 20 Nov 1999 | 16 Feb 2000 | | September 1959 | 48 Beresford Road, London, N8 0AJ |
| DU RY VAN BEEST HOLLE, Marc Antoine RESIGNED | Director | 12 Oct 1996 | 01 Nov 1997 | | August 1958 | 172a Camden Road, London, NW1 9HJ |
| GALLAGHER, Rose RESIGNED | Director | 14 Feb 2004 | 26 Apr 2014 | United Kingdom | January 1939 | 571, Finchley Road, London, Surrey, NW3 7BN, United Kingdom |
| GESSERT, Astrid RESIGNED | Director | 14 Nov 1998 | 30 Nov 2002 | | June 1950 | 3 Hall View Cottages, Lower Sea Lane, Charmouth, Bridport, Dorset, DT6 6LJ |
| KENNEDY, Michael RESIGNED | Director | 01 Dec 2002 | 05 May 2018 | United Kingdom | July 1947 | Suite 56, 571 Finchley Road, London, NW3 7BN |
| KENNEDY, Michael Charles Edmund RESIGNED | Director | 12 Oct 1996 | 02 Dec 2000 | | July 1947 | 55 St Quintin Avenue, London, W10 6NZ |
| KLEIN, Richard RESIGNED | Director | 01 Jul 1994 | 30 May 1997 | | November 1935 | 17 Granville Road, London, N4 4EJ |
| PALMER, Sam Max RESIGNED | Director | 01 Jun 2009 | 27 Apr 2013 | United Kingdom | February 1973 | Suite 56, 571 Finchley Road, London, NW3 7BN |
| PEPELI, Hara RESIGNED | Director | 20 Nov 1999 | 01 Dec 2002 | | November 1942 | 10 The Avenue, London, N8 0JR |
| RIDLEY, Stella Vecta RESIGNED | Director | 21 Jun 2003 | 05 May 2018 | United Kingdom | July 1948 | Suite 56, 571 Finchley Road, London, NW3 7BN |
| ROWAN, Alan RESIGNED | Director | 12 Oct 1996 | 01 Dec 2002 | | July 1956 | 113 Lichfield Grove, Finchley, London, N3 2JL |
| SULLIVAN, Gerald RESIGNED | Director | 25 Mar 2006 | 01 Oct 2022 | United Kingdom | May 1949 | 571, Finchley Road, Finchley Road, London, NW3 7BN, United Kingdom |
| SULLIVAN, Gerald Michael, Dr RESIGNED | Director | 12 Oct 1996 | 14 Nov 1998 | | May 1949 | 14 The Belfry, Inchicore Road, Dublin, County Dublin, 8, Ireland |
| THERON, Kenneth Alastair RESIGNED | Director | 26 Apr 2014 | 11 May 2019 | United Kingdom | February 1951 | The Coach House, 8 Oakhill Road, London, London, SW15 2QU, England |
| WATSON, Lindsay Kathertine RESIGNED | Director | 12 Oct 1996 | 14 Nov 1998 | | March 1953 | 95 Parliament Hill Mansions, Lissenden Gardens, London, NW5 1NB |
| WINE, Noga, Dr RESIGNED | Director | 30 Nov 2002 | 26 Mar 2006 | | December 1946 | 3 Hampstead Way, London, NW11 7JA |
| WRIGHT, Eva Elizabeth, Dr RESIGNED | Director | 20 Nov 1999 | 06 Jun 2000 | | October 1926 | 3 Boathouse Court, Trafalgar Road, Cambridge, Cambridgeshire, CB4 1DU |