| TWEMLOW, Christopher Mcgowan ACTIVE | Secretary | 01 Feb 2021 | | | | 15 Bishopsgate, London, EC2N 3AR, England |
| HOLMES, Colm Joseph ACTIVE | Director | 01 Dec 2021 | | Ireland | January 1966 | 15 Bishopsgate, London, EC2N 3AR, England |
| RUF, Michael Franz ACTIVE | Director | 01 Dec 2025 | | United Kingdom | March 1984 | 15 Bishopsgate, London, EC2N 3AR, England |
| YE, Ying ACTIVE | Director | 10 Jul 2023 | | England | September 1980 | 15 Bishopsgate, London, EC2N 3AR, England |
| JACK-KEE, Robin Christian RESIGNED | Secretary | 24 Sep 2009 | 01 Feb 2021 | | | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| KIDDLE MORRIS, Christopher John RESIGNED | Secretary | 01 Jan 1997 | 24 Sep 2009 | | | 207 Station Road, Knowle, Solihull, West Midlands, B93 0PU |
| YOUNG, David Gordon RESIGNED | Secretary | | 31 Dec 1996 | | | 3 Jewel Close, Grange Park, Swindon, Wiltshire, SN5 6HP |
| CHURCHLOW, Mark John RESIGNED | Director | 28 Oct 2010 | 31 Dec 2018 | United Kingdom | March 1959 | 57, Ladymead, Guildford, Surrey, GU1 1DB, England |
| DELANY, Michael Anthony RESIGNED | Director | 05 Mar 2001 | 26 Nov 2008 | | December 1945 | Cotts Hayne, 7 West Meade Milland, Liphook, Hampshire, GU30 7NB |
| DYE, Jonathan Mark RESIGNED | Director | 01 Jul 2013 | 30 Nov 2021 | United Kingdom | December 1966 | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| DYSON, Fernley Keith RESIGNED | Director | 07 Jan 2019 | 29 May 2023 | United Kingdom | February 1965 | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| LANGE, Ulf, Dr RESIGNED | Director | 30 May 2023 | 30 Nov 2025 | England | October 1976 | 57 Ladymead, Guildford, Surrey, GU1 1DB, England |
| NEWNHAM, Michael John RESIGNED | Director | 01 Jul 1993 | 05 Mar 2001 | United Kingdom | July 1938 | Velhurst Croft, Rosemary Lane, Alfold, Surrey, GU6 8EY |
| REINEKE, Thomas RESIGNED | Director | | 31 Jul 1993 | | February 1945 | 7 The Green, Richmond, Surrey, TW9 1PL |
| ROBERTSON, Stuart John RESIGNED | Director | 15 Dec 2011 | 20 Dec 2019 | England | October 1960 | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| SCOTT, Kevin Peter RESIGNED | Director | 26 Nov 2008 | 08 Jul 2018 | United Kingdom | September 1951 | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| STRATFORD, George Richard RESIGNED | Director | 01 Jan 2000 | 29 Sep 2010 | Great Britain | November 1951 | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| TORRANCE, David Andrew RESIGNED | Director | 01 Jul 2003 | 30 Jun 2013 | England | May 1953 | 57 Ladymead, Guildford, Surrey, GU1 1DB |
| TREEN, William Raymond RESIGNED | Director | | 30 Jun 2003 | England | October 1940 | 38 Sheldon Avenue, Highgate, London, N6 4JR |