| CALITZ, Frederick Johannes ACTIVE | Secretary | 01 Jan 2026 | | | | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| AUTON, Stephane Marc ACTIVE | Director | 04 Sep 2012 | | United Kingdom | March 1978 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| CALITZ, Frederick Johannes ACTIVE | Director | 17 Jan 2023 | | England | September 1978 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| FAGAN, Richard John ACTIVE | Director | 11 Dec 2025 | | United Kingdom | May 1980 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| FINE, Simon Peter ACTIVE | Director | 18 Nov 2019 | | England | July 1964 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| PERCY, Mark Richard ACTIVE | Director | 29 May 2019 | | England | April 1968 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| PINTO, Pedro Sergio Bastos ACTIVE | Director | 07 Nov 2022 | | England | July 1972 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| CARTER, Graham Crispin RESIGNED | Secretary | 30 Jun 1993 | 23 Dec 1996 | | | 12 Falconers Park, Sawbridgeworth, Hertfordshire, CM21 0AU |
| HARRISON, Kenneth John RESIGNED | Secretary | | 25 Sep 1992 | | | The Bungalow 3 Wallis Close, Wilmington, Dartford, Kent, DA2 7BE |
| SIDWELL, Henry George RESIGNED | Secretary | 25 Sep 1992 | 30 Jun 1993 | | | 80 The Drive, Morden, Surrey, SM4 6DP |
| VAN MESSEL, Michael Laurent RESIGNED | Secretary | 23 Dec 1996 | 01 Jan 2026 | | | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| BHOMA, Bidhi Singh RESIGNED | Director | 04 Sep 2012 | 05 Oct 2017 | Uk | June 1977 | Bond Street House, 14 Clifford Street, London, W1S 4JU, Uk |
| BORRELLI, Michael Alexander RESIGNED | Director | 08 Jun 1999 | 31 Aug 2008 | England | February 1956 | 40 Dukes Avenue, London, W4 2AE |
| BROWN, Anthony Philip RESIGNED | Director | 02 May 2000 | 29 Sep 2000 | England | July 1947 | 8 Sutcliffe Close, London, NW11 6NT |
| CARTER, Graham Crispin RESIGNED | Director | 20 Aug 1993 | 23 Dec 1996 | | December 1943 | 12 Falconers Park, Sawbridgeworth, Hertfordshire, CM21 0AU |
| CUMMING, Caitlin Tara Malloy RESIGNED | Director | 07 Nov 2022 | 19 Dec 2025 | England | August 1983 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| DANFORD, Dru Harold RESIGNED | Director | 23 Mar 2010 | 15 Mar 2022 | England | September 1970 | Cassini House, 57 St James's Street, London, SW1A 1LD, England |
| HARRISON, Kenneth John RESIGNED | Director | | 25 Sep 1992 | | August 1944 | The Bungalow 3 Wallis Close, Wilmington, Dartford, Kent, DA2 7BE |
| KEANE, Pascal Timothy RESIGNED | Director | 12 May 2011 | 24 Feb 2016 | United Kingdom | August 1974 | Bond Street House 14, Clifford Street, London, W1S 4JU, England |
| PETERS, Guy Richard RESIGNED | Director | 04 Apr 2006 | 20 Apr 2010 | United Kingdom | December 1961 | 75 Kenilworth Avenue, London, SW19 7LP |
| SHORE, Graham Barry RESIGNED | Director | | 18 Oct 2019 | United Kingdom | April 1956 | Bond Street House, 14 Clifford Street, London, W1S 4JU |
| SHORE, Howard Paul RESIGNED | Director | | 31 May 2007 | United Kingdom | April 1960 | Bond Street House, 14 Clifford Street, London, W1S 4JU |