| MCGREGOR, Glenn Russell, Professor ACTIVE | Secretary | 06 Sep 2006 | | | | Flat 2 8 Heath Drive, Hampstead, London, NW3 7SN |
| AWUJOOLA, Bolaji ACTIVE | Director | 03 Oct 2023 | | United Kingdom | December 1985 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| NABAVIAN, Shahin RESIGNED | Secretary | 01 Dec 2004 | 06 Sep 2006 | | | Flat 2, 8 Heath Drive, London, NW3 7SN |
| ROBINSON, Timothy Michael RESIGNED | Secretary | | 17 Jul 1996 | | | 8 Heath Drive, Hampstead, London, NW3 7SN |
| HARROVIAN MANAGEMENT SERVICES LIMITED RESIGNED | Secretary | 17 Jul 1996 | 09 Feb 2004 | | | 52 High Street, Pinner, Middlesex, HA5 5PW |
| BIRDSEYE, Sarah RESIGNED | Director | | 31 Dec 1992 | | August 1966 | Tram Plc, Breakfast Tv Centre Hawley Crescent, London, NW1 8EF |
| BOCK, Claus RESIGNED | Director | | 31 Dec 1994 | | May 1926 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| BRANDELLI, Carlo RESIGNED | Director | 29 Sep 1993 | 03 May 1996 | | December 1965 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| DAVIDOVITZ, Robert Hyman Colin RESIGNED | Director | | 31 Dec 1994 | | August 1930 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| DUTTON, Peter RESIGNED | Director | | 30 Sep 1998 | | May 1953 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| GESTETNER, Leo Edward Max RESIGNED | Director | 16 Sep 1996 | 01 Jun 2000 | | June 1973 | 43 Kendal Street, London, W2 2BU |
| KUENSTLER, Peter Harold Keith RESIGNED | Director | | 30 Sep 1998 | | December 1919 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| MCGREGOR, Glenn Russell, Professor RESIGNED | Director | 06 Sep 2006 | 18 May 2026 | United Kingdom | December 1955 | Flat 2 8 Heath Drive, Hampstead, London, NW3 7SN |
| PRETECEILLE, Raphael Jean-Marc RESIGNED | Director | 20 Nov 1999 | 13 Jun 2025 | United Kingdom | July 1946 | 11 Asmara Road, London, NW2 3SS |
| ROBINSON, Timothy Michael RESIGNED | Director | | 31 Dec 1993 | | August 1963 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| RUBIN, Raymond Alan RESIGNED | Director | 17 Jul 1996 | 30 Sep 1998 | United Kingdom | May 1956 | 23 The Grove, Edgware, Middlesex, HA8 9QA |
| SHAMA, Sarah RESIGNED | Director | 01 Jan 1995 | 03 May 1996 | | January 1969 | Flat 4 8 Heath Drive, London, NW3 7SN |
| SHEREZ, Aviv RESIGNED | Director | | 31 Dec 1994 | | May 1962 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| SHEREZ, Itzhak RESIGNED | Director | | 31 Dec 1993 | | July 1932 | 8 Heath Drive, Hampstead, London, NW3 7SN |
| TSENTAS, Costas RESIGNED | Director | 01 Jan 1995 | 03 May 1996 | | May 1995 | 8 Heath Drive, London, NW3 7SN |