| ABU-DEEB, Maya Margaret ACTIVE | Secretary | 21 Jan 2019 | | | | 50, Bedford Square, London, WC1B 3DP |
| UNDERWOOD, Keith Robert ACTIVE | Director | 02 Feb 2026 | | England | October 1976 | 50, Bedford Square, London, WC1B 3DP |
| DAYKIN, Michael Richard RESIGNED | Secretary | 09 Jul 2011 | 18 Jan 2019 | | | 50, Bedford Square, London, WC1B 3DP, England |
| ELPHICK, Paul Dennis RESIGNED | Secretary | 07 Aug 2006 | 04 Jul 2007 | | | 22 Cottenham Park Road, London, SW20 0RZ |
| HAMMOND, Janette RESIGNED | Secretary | | 10 Apr 1992 | | | 21 Sefton Park Road, Bristol, Avon, BS7 9AN |
| KEEBLE, Linda Alice RESIGNED | Secretary | 17 May 1999 | 10 Jul 2003 | | | 22 Kenmore Crescent, Bristol, South Gloucester, BS7 0TN |
| KEEBLE, Linda Alice RESIGNED | Secretary | 02 Jan 1998 | 17 Aug 1998 | | | 22 Kenmore Crescent, Bristol, South Gloucester, BS7 0TN |
| MARSH, Robert S RESIGNED | Secretary | 04 Jul 2007 | 09 Jul 2011 | | | 366 North 27th Street, Camp Hill, Pa 17011, United States |
| RONEY, Francis John RESIGNED | Secretary | 10 Jul 2003 | 07 Aug 2006 | | | Kelsham, 150 Southend Road, Wickford, Essex, SS11 8EB |
| TOWNER, Angela Mary RESIGNED | Secretary | 17 Aug 1998 | 17 May 1999 | | | 46 West Quay, Newhaven, East Sussex, BN9 9DQ |
| AITKIN, Celia Rachel RESIGNED | Director | | 31 Dec 1998 | | August 1953 | 30 Poplar Road, Warmley, Bristol, BS15 5JU |
| AUSTEN, Patrick George RESIGNED | Director | 29 Nov 2006 | 04 Jul 2007 | United Kingdom | September 1943 | 15 Lakeside Drive, Esher, Surrey, KT10 9EZ |
| CHARKIN, Richard Denis Paul RESIGNED | Director | 09 Jul 2011 | 01 Feb 2016 | England | June 1949 | 50, Bedford Square, London, WC1B 3DP, England |
| CROOM, David Halliday RESIGNED | Director | 09 Jul 1998 | 10 Jul 2003 | England | June 1946 | New Manor Farm, Low Ham, Langport, Somerset, TA10 9DP |
| EVERITT, Nicola RESIGNED | Director | 18 Sep 1998 | 04 Apr 2003 | | December 1968 | 87 Horse Street, Chipping Sodbury, Bristol, South Gloucester, BS37 6DE |
| GADSBY, Oliver Edward RESIGNED | Director | 04 Jul 2007 | 09 Jul 2011 | United Kingdom | October 1961 | 14h Star Street, London, W2 1QD |
| HAMMOND, Janette RESIGNED | Director | | 21 Jan 1993 | | December 1947 | 21 Sefton Park Road, Bristol, Avon, BS7 9AN |
| HAYNES, Anthony Robert RESIGNED | Director | 10 Jul 2003 | 05 Apr 2006 | England | October 1959 | 4 The Links, Cambridge Road, Newmarket, CB8 0TG |
| KEEBLE, Linda Alice RESIGNED | Director | 02 Jan 1998 | 10 Jul 2003 | | September 1955 | 22 Kenmore Crescent, Bristol, South Gloucester, BS7 0TN |
| MARSH, Robert S RESIGNED | Director | 04 Jul 2007 | 09 Jul 2011 | Usa | May 1962 | 366 North 27th Street, Camp Hill, Pa 17011, United States |
| NEWTON, John Nigel RESIGNED | Director | 09 Jul 2011 | 01 Feb 2016 | England | June 1955 | 50, Bedford Square, London, WC1B 3DP, England |
| PALLOT, Wendy Monica RESIGNED | Director | 09 Jul 2011 | 16 Jul 2018 | United Kingdom | February 1965 | 50, Bedford Square, London, WC1B 3DP, England |
| RONEY, Francis John RESIGNED | Director | 10 Jul 2003 | 07 Aug 2006 | United Kingdom | June 1950 | Kelsham, 150 Southend Road, Wickford, Essex, SS11 8EB |
| SCOTT-BAYFIELD, Penelope Samantha Juliette RESIGNED | Director | 16 Jul 2018 | 02 Feb 2026 | England | September 1972 | 50, Bedford Square, London, WC1B 3DP |
| STURROCK, Philip James RESIGNED | Director | 10 Jul 2003 | 29 Nov 2006 | United Kingdom | October 1947 | 62 Benbow House 24 New Globe Walk, London, SE1 9DS |
| THOEMMES, Lynice Sylvia RESIGNED | Director | | 16 Oct 1998 | | July 1949 | 74 The Crescent, Bristol, BS9 4RR |
| THOEMMES, Ruediger RESIGNED | Director | | 30 Apr 2005 | United Kingdom | June 1957 | 46 Birch Road, Southville, Bristol, BS3 1PF |