| COOK, Leanne Margaret ACTIVE | Director | 07 Aug 2026 | | England | February 1968 | Amersham Place, Little Chalfont, Amersham, Buckinghamshire, HP7 9NA, United Kingdom |
| DELLA PUCA, Pasquale ACTIVE | Director | 01 Nov 2020 | | Switzerland | May 1979 | Amersham Place, Little Chalfont, Amersham, Buckinghamshire, HP7 9NA, United Kingdom |
| KHAN, Aminur Rahman ACTIVE | Director | 30 Jun 2025 | | England | November 1977 | Amersham Place, Little Chalfont, Amersham, Buckinghamshire, HP7 9NA, United Kingdom |
| ADAMS, Charles George RESIGNED | Secretary | 01 Feb 2001 | 20 May 2005 | | | 12 The Pightle, Oving, Aylesbury, Buckinghamshire, HP22 4HS |
| LLOYD, Nigel RESIGNED | Secretary | 07 Sep 2005 | 29 Nov 2011 | | | 12 Bencombe Road, Marlow Bottom, Buckinghamshire, SL7 3NZ |
| MALLIFF, William Alfred RESIGNED | Secretary | 30 Jun 1995 | 02 Feb 2001 | | | 57 Beech Lane, Earley, Reading, Berkshire, RG6 5QA |
| MINTO, Alan John RESIGNED | Secretary | 31 Aug 1994 | 30 Jun 1995 | | | 21 Orchard Close, Eynsham, Witney, Oxfordshire, OX8 1EZ |
| THOMPSON, Michael James RESIGNED | Secretary | | 31 Aug 1994 | | | 5 Yeates Close, Thame, Oxfordshire, OX9 3AR |
| TUNLEY, David William RESIGNED | Secretary | 08 Dec 2011 | 05 Jul 2012 | | | 27, Manor Farm Close, Aughton, Sheffield, South Yorkshire, S26 3XY, England |
| AKHTAR, Simon RESIGNED | Director | 22 Jun 2007 | 07 Nov 2013 | United Kingdom | November 1967 | Oakleigh, Martinsend Lane, Great Missenden, Buckinghamshire, HP16 9BH, United Kingdom |
| ATKINSON, James RESIGNED | Director | 27 Aug 1998 | 08 Sep 2005 | | January 1956 | 15 Chemin De La Redoute, Ch-1260 Nyon 1, Switzerland |
| DI DIO, Salvatore RESIGNED | Director | 08 Nov 2013 | 02 Nov 2015 | Switzerland | April 1968 | Oakley Court Kingsmead Business Park, London Road, High Wycombe, Buckinghamshire, HP11 1JU, United Kingdom |
| DONALDSON, Fraser, Mr. RESIGNED | Director | 02 Nov 2015 | 01 Aug 2018 | Switzerland | December 1970 | Oakley Court, Kingsmead Business Park, London Road High Wycombe, Buckinghamshire, HP11 1JU |
| DOYLE, Anthony, Mr. RESIGNED | Director | 02 Nov 2015 | 10 Feb 2017 | England | October 1974 | Oakley Court, Kingsmead Business Park, London Road High Wycombe, Buckinghamshire, HP11 1JU |
| EHRMAN, Edward RESIGNED | Director | 08 Sep 2005 | 22 Jun 2007 | | December 1943 | 11 St Hubert's Close, Gerrards Cross, Buckinghamshire, SL9 7EN |
| GLOVER, James T RESIGNED | Director | 08 Sep 2005 | 31 Dec 2005 | | February 1950 | 318 Signal Road, Newport Beach, California 92663, Usa |
| GOUDZWAARD, Bryan RESIGNED | Director | 22 Jun 2007 | 18 Jul 2011 | Switzerland | September 1971 | Ch. De La Chataigneraie 2, Bogis-Bossey, 1279, Switzerland |
| GRAY, James Bernard RESIGNED | Director | 30 Jun 2003 | 15 May 2005 | | March 1968 | Chemin Des Pontets 5a, Founex, Vaud 1297, Switzerland |
| MATYCZYNSKI, Andrzej RESIGNED | Director | 30 Jun 1995 | 12 Nov 1999 | | May 1952 | 8031 E San Louis Drive, Orange County, California, 92669, Usa |
| MAY, William RESIGNED | Director | 07 Feb 1990 | 08 Sep 2005 | | December 1942 | 18471 Villa Drive, Villa Park, Orange County 92861, Usa |
| MINTO, Alan John RESIGNED | Director | | 30 Jun 1995 | | November 1939 | 21 Orchard Close, Eynsham, Witney, Oxfordshire, OX8 1EZ |
| O SHEA, John RESIGNED | Director | 08 Sep 2005 | 31 Aug 2008 | | August 1967 | Route De Fechy 81, Aubonne, Vaud 1170, Switzerland |
| POSPÍŠIL, Jan RESIGNED | Director | 01 Aug 2018 | 30 Sep 2023 | Czech Republic | July 1959 | Oakley Court, Kingsmead Business Park, London Road High Wycombe, Buckinghamshire, HP11 1JU |
| SPRECHER, Hans Martin RESIGNED | Director | 30 Jun 1995 | 13 Aug 1998 | | November 1939 | Chemin De La Chaux, 1272 Genolier, Switzerland |
| THOMPSON, Michael James RESIGNED | Director | | 31 Aug 1994 | | November 1953 | 5 Yeates Close, Thame, Oxfordshire, OX9 3AR |
| TRACE, Rachel Vivien RESIGNED | Director | 30 Sep 2023 | 30 Jun 2025 | United Kingdom | September 1979 | Amersham Place, Little Chalfont, Amersham, Buckinghamshire, HP7 9NA, United Kingdom |
| WARD, Keith Graham RESIGNED | Director | 18 Jul 2011 | 31 Oct 2020 | England | October 1953 | 12, Rosedene Gardens, Fleet, Hampshire, GU51 4NQ, United Kingdom |
| WEISS, John Andrew RESIGNED | Director | 31 Dec 2005 | 02 Nov 2015 | Usa | September 1953 | 92 Via Di Roma, Long Beach, California 90803, Usa |
| WILLEY, Ian RESIGNED | Director | 30 Jun 1995 | 21 Jan 2003 | | June 1942 | 5 Au Perraillon, 1184 Vinzel, Switzerland |
| YOUNG, Robert Todd RESIGNED | Director | 24 Oct 2017 | 15 Jan 2026 | England | September 1972 | Amersham Place, Little Chalfont, Amersham, Buckinghamshire, HP7 9NA, United Kingdom |