| HAWKINS, Thomas Arthur, Dr ACTIVE | Secretary | 06 Jan 2026 | | | | 177a, Sussex Gardens, London, W2 2RH, England |
| DYRANIS-MAOUNIS, Leah ACTIVE | Director | 25 Jun 2018 | | Greece | May 1950 | 175, Sussex Gardens, London, W2 2RH, England |
| OTERO, Eloy Fernandez ACTIVE | Director | 25 Jun 2018 | | England | September 1943 | 175, Sussex Gardens, London, W2 2RH, England |
| BOWMAN, Marion Mobley RESIGNED | Secretary | 10 Jan 2014 | 13 Apr 2016 | | | Flat 1, 175 Sussex Gardens, London, W2 2RH, United Kingdom |
| CRONIN, John Charles RESIGNED | Secretary | | 28 Jul 1994 | | | 42 Devonshire Street, London, W1N 1LN |
| DEVLIN, Colin James RESIGNED | Secretary | 28 Jul 1994 | 03 Feb 1997 | | | 175a Sussex Gardens, London, W2 2RH |
| GATOFF, Newton Mark RESIGNED | Secretary | 11 Oct 2000 | 15 Nov 2003 | | | 40 Park Way, London, N20 0XP |
| LERNER, Martin RESIGNED | Secretary | 31 Aug 2001 | 10 Jan 2014 | | | Unit 2, Palace Court, 250 Finchley Road, London, NW3 6DN, United Kingdom |
| LINKER, Derek RESIGNED | Secretary | 05 May 1999 | 11 Oct 2000 | | | 175 Sussex Gardens, London, W2 2RH |
| TEWES, Lars RESIGNED | Secretary | 03 Feb 1997 | 05 May 1999 | | | Flat 5, 175 Sussex Gardens, London, W2 2RH |
| BLOCNET LIMITED RESIGNED | Secretary | 15 Jun 2018 | 26 Feb 2019 | | | The Granary, High Street, Turvey, Bedfordshire, United Kingdom |
| BURLINGTON ESTATES (LONDON) LIMITED RESIGNED | Secretary | 13 Apr 2016 | 02 Mar 2018 | | | 15, Bolton Street, London, W1J 8BG, England |
| BACKHOUSE, Benjamin Jonathan RESIGNED | Director | 16 Apr 2000 | 15 Nov 2003 | United Kingdom | July 1974 | The Mead House, South Farm, Hatherop, Gloucestershire, GL7 3PN |
| BOWMAN, Lee Foster RESIGNED | Director | 11 Jan 2013 | 25 Jun 2018 | England | February 1969 | 175, Sussex Gardens, London, W2 2RH, England |
| BROWN, Davd Hugh Kirkwood RESIGNED | Director | 28 Jul 1994 | 03 Feb 1997 | | December 1960 | 175a Sussex Gardens, London, W2 2RH |
| CANT, Margaret Hunter Black RESIGNED | Director | 01 Jan 1994 | 16 Mar 2000 | | April 1947 | 177a Sussex Gardens, London, W2 2rh |
| CRONIN, Jane Christine RESIGNED | Director | | 03 Jan 1994 | | October 1959 | 42 Devonshire Street, London, W1N 1LN |
| CRONIN, John Charles RESIGNED | Director | | 28 Jul 1994 | | October 1961 | 42 Devonshire Street, London, W1N 1LN |
| DEVLIN, Colin James RESIGNED | Director | 28 Jul 1994 | 03 Feb 1997 | | June 1964 | 175a Sussex Gardens, London, W2 2RH |
| LEVY, Michel Emile RESIGNED | Director | 25 Jun 2018 | 25 Mar 2023 | United Kingdom | March 1958 | 175, Sussex Gardens, London, W2 2RH, England |
| LEVY, Michel Emile RESIGNED | Director | 23 Jan 2008 | 26 Mar 2018 | United Kingdom | March 1958 | Quadrant House, Floor 6, Thomas More Square, London, E1W 1YW, England |
| LINKER, Derek RESIGNED | Director | 03 Jan 1997 | 11 Oct 2000 | | June 1933 | 175 Sussex Gardens, London, W2 2RH |
| MCCOBB, James Anthony RESIGNED | Director | 25 Aug 2005 | 30 Jan 2008 | | May 1967 | Flat 3, 175 177 Sussex Gardens, London |
| NICHOLS, Felicity RESIGNED | Director | 05 May 1999 | 11 Feb 2000 | | January 1956 | Flat 4 175 Sussex Gardens, London, W2 2RH |
| RUSSELL, Harriet Mary RESIGNED | Director | 23 Jan 2008 | 10 Jan 2014 | United Kingdom | January 1977 | Flat 4 175-177 Sussex Gardens, London, W2 2RH |
| RUSSELL, Ian Mcdonald Affleck RESIGNED | Director | 08 Nov 2000 | 12 Jan 2006 | England | April 1943 | Shulbrede Priory, Linchmere, Haslemere, Surrey, GU27 3NQ |
| SZEN, Yirong Elizabeth RESIGNED | Director | 23 Dec 2015 | 25 Jun 2018 | England | February 1970 | 175, Sussex Gardens, London, W2 2RH, England |
| TALBOT RICE, David Henry RESIGNED | Director | 28 Jan 2002 | 11 Apr 2006 | | January 1975 | 5, 175 Sussex Gardens, London, W2 2RH |
| TEWES, Lars RESIGNED | Director | 01 Jan 1994 | 24 May 1999 | | May 1966 | Flat 5, 175 Sussex Gardens, London, W2 2RH |
| THORNE, Nicholas William St Vincent RESIGNED | Director | | 03 Jan 1994 | England | February 1949 | 8 Plymouth Drive, Sevenoaks, Kent, TN13 3RW |