| VAN GEFFEN, Rumoldus ACTIVE | Secretary | 08 Nov 2007 | | | | New City, Unit 1, Polaris Centre, 41 Brownfields, Welwyn Garden City, Hertfordshire, AL7 1AN, England |
| MAUCHA, Kristof ACTIVE | Director | 29 Apr 2024 | | England | February 1972 | Unit 1, Polaris Centre, 41 Brownfields, Welwyn Garden City, Herts, AL7 1AN, England |
| MOROVIC, Jan, Dr ACTIVE | Director | 23 Dec 2020 | | England | June 1974 | Unit 1, Polaris Centre, 41 Brownfields, Welwyn Garden City, Herts, AL7 1AN, England |
| PUGLISI, Antonino ACTIVE | Director | 05 Jun 2026 | | England | October 1977 | 57, Twyford Avenue, London, W3 9PZ, England |
| SLIPPER, Charles Callan ACTIVE | Director | 29 Apr 2024 | | England | January 1955 | 138, Parkway, Welwyn Garden City, AL8 6HP, England |
| POGGI, Carlo RESIGNED | Secretary | 25 Mar 2000 | 04 Nov 2004 | | | 14 Summerside Place, Edinburgh, EH6 4NZ |
| PYMAN, Malcolm Proud RESIGNED | Secretary | | 25 Mar 2000 | | | 14 Sinclair Drive, Liverpool, Merseyside, L18 0HN |
| RIEPENHOFF, Peter RESIGNED | Secretary | 04 Nov 2004 | 08 Nov 2007 | | | 38 Audley Road, London, W5 3ET |
| BREGANT, Dimitri RESIGNED | Director | | 25 Mar 2000 | | September 1936 | 34 Earls Court Square, London, SW5 9DQ |
| DARCY, Mark John RESIGNED | Director | 04 Apr 2022 | 05 Jun 2026 | England | February 1960 | Unit1 Polaris Centre, 41 Brownfields, Welwyn Garden City, AL7 1AN, England |
| GATESHILL, Paul Anthony RESIGNED | Director | 09 Jun 2014 | 06 Jun 2025 | England | November 1954 | Unit 1, Polaris Centre, 41 Brownfields, Welwyn Garden City, Herts, AL7 1AN, England |
| JOHNSON, Francis RESIGNED | Director | 11 Nov 2013 | 29 Apr 2024 | England | December 1947 | Unit 1, Polaris Centre, 41 Brownfields, Welwyn Garden City, Herts, AL7 1AN, England |
| KING, Timothy Michael RESIGNED | Director | | 22 May 2012 | United Kingdom | August 1949 | 38 Audley Road, London, W5 3ET |
| KOCHINKY, Manfred Martin Michael RESIGNED | Director | 01 Dec 2008 | 11 Nov 2013 | England | May 1957 | 38, Audley Rd, London, W5 3ET, England |
| MAYANS MANERA, Bartolome RESIGNED | Director | 25 Mar 2000 | 01 Dec 2008 | | November 1949 | 57 Twyford Avenue, London, W3 9PZ |
| POGGI, Carlo RESIGNED | Director | 11 Nov 2013 | 29 Apr 2024 | England | September 1951 | Unit 1, Polaris Centre, 41 Brownfields, Welwyn Garden City, Herts, AL7 1AN, England |
| REDMOND, Barry RESIGNED | Director | 01 Dec 2008 | 09 Jun 2014 | England | February 1953 | 38, Audley Road, London, W5 3ET, United Kingdom |
| SHERRARD, Thomas RESIGNED | Director | | 27 Feb 1991 | | April 1946 | 34 Earls Court Square, London, SW5 9DQ |
| SLIPPER, Charles Callan RESIGNED | Director | 04 Nov 2004 | 01 Dec 2008 | | January 1955 | 38 Audley Road, London, W5 3ET |
| VAN GEFFEN, Rumold RESIGNED | Director | 25 Mar 2000 | 04 Nov 2004 | | October 1949 | 57 Twyford Avenue, London, W3 9PZ |