| BANKS, Timothy ACTIVE | Director | 18 May 2015 | | United Kingdom | November 1973 | 12, Queen Eleanor House, Kingsclere Park, Kingsclere, Hampshire, RG20 4SW, United Kingdom |
| WILSON, Jonathan ACTIVE | Director | 01 Oct 2023 | | United States | August 1982 | 12, Queen Eleanor House, Kingsclere Park, Kingsclere, Hampshire, RG20 4SW, United Kingdom |
| HARTMAN, Raymond William RESIGNED | Secretary | | 06 Feb 1998 | | | 22 Manor Road, South Hinksey, Oxford, Oxfordshire, OX1 5AS |
| MAYHEAD, Peter Michael RESIGNED | Secretary | 14 Jul 2000 | 26 Feb 2009 | | | 98 Foxcote, Finchampstead, Wokingham, Berkshire, RG40 3PE |
| WILES, Patricia Anne RESIGNED | Secretary | 06 Feb 1998 | 14 Jul 2000 | | | Rufus T Firefly House, 56 Hillside Road Earley, Reading, Berkshire, RG6 7LP |
| ANDERSON, Brian Edward RESIGNED | Director | 08 Feb 2018 | 02 Jul 2020 | United States | May 1984 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| CONSIGLI, Daniel James RESIGNED | Director | 10 Dec 2021 | 06 Mar 2023 | United States | May 1970 | 31, Turnpike Road, Newbury, Berkshire, RG14 2NX, England |
| CONSIGLI, Daniel James RESIGNED | Director | 02 Jul 2020 | 01 Dec 2020 | United States | May 1970 | 27, Old Gloucester Street, London, WC1N 3AX, England |
| COOPER, Ian Graham RESIGNED | Director | 11 Mar 2014 | 06 May 2015 | United Kingdom | August 1955 | Westholme Barn, Bunces Lane, Collins End, RG8 7RH, United Kingdom |
| CROSS, Ray John RESIGNED | Director | 11 Mar 2014 | 12 Mar 2015 | United Kingdom | September 1951 | Deerhaven, Wormsley, Hereford, HR4 8LU, United Kingdom |
| DERRY, Simon John RESIGNED | Director | 26 Feb 2009 | 11 Mar 2014 | England | February 1961 | Trevona, Ashtead Woods Road, Ashtead, Surrey, KT21 2EX |
| EATON, Guy Frederick St John RESIGNED | Director | 23 Mar 2015 | 18 May 2015 | England | October 1962 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| FREDERICKS, Peter George RESIGNED | Director | 26 Feb 2009 | 16 Apr 2014 | England | November 1964 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX, England |
| GOPAL, Sai RESIGNED | Director | 06 Mar 2023 | 01 Oct 2023 | United States | April 1969 | 12, Queen Eleanor House, Kingsclere Park, Kingsclere, Hampshire, RG20 4SW, United Kingdom |
| GREENFIELD, Timothy Bennard RESIGNED | Director | 02 Jul 2020 | 20 Oct 2021 | United States | April 1971 | 27, Old Gloucester Street, London, WC1N 3AX, England |
| HARTMAN, Raymond William RESIGNED | Director | | 19 Oct 1998 | United Kingdom | July 1934 | 22 Manor Road, South Hinksey, Oxford, Oxfordshire, OX1 5AS |
| HENDERSON, Ian Roger RESIGNED | Director | | 21 Feb 2003 | England | April 1956 | Hollytree Cottage, Swallowfield Street,, Swallowfield, Berkshire, RG7 1QX |
| HERSLY, Isaac RESIGNED | Director | 12 Apr 1996 | 26 Sep 1997 | | September 1948 | 9 Lafayette Drive, New City, New York, 10956, Usa |
| HORTON, Paul John RESIGNED | Director | 29 Feb 2016 | 24 Jan 2019 | United Kingdom | August 1966 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| KNIGHT, Michael John RESIGNED | Director | 10 Oct 1996 | 06 Nov 2003 | United Kingdom | December 1960 | Wasdale House, St Pauls Road, Woking, Surrey, GU22 7DZ |
| LAPPE, Alec Thomas RESIGNED | Director | 08 Feb 2018 | 02 Jul 2020 | United States | July 1981 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| MALYSZKO, Anne La Belle RESIGNED | Director | 17 Apr 2018 | 02 Jul 2020 | United States | May 1980 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| MARSH, Jacqueline Mary RESIGNED | Director | 18 May 2015 | 02 Mar 2016 | England | February 1961 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| MAYCOCK, Neil RESIGNED | Director | 01 Sep 1997 | 26 Feb 2009 | | September 1966 | 4, Tanners Close, Burghfield Common, Reading, Berkshire, RG7 3JQ, England |
| MAYHEAD, Peter Michael RESIGNED | Director | 06 Nov 2003 | 26 Feb 2009 | United Kingdom | March 1972 | 98 Foxcote, Finchampstead, Wokingham, Berkshire, RG40 3PE |
| MULLIGAN, Martin RESIGNED | Director | 11 Mar 2014 | 23 Mar 2015 | England | October 1962 | 3, Wadham Close, Southrop, Lechlade, GL7 3NR, United Kingdom |
| OLISA, Kenneth Aphunezi, Sir RESIGNED | Director | 09 Jun 1995 | 12 Apr 1996 | England | October 1951 | 18 Glamorgan Road, Hampton Wick, Kingston Upon Thames, Surrey, KT1 4HP |
| OWEN, Derek RESIGNED | Director | | 01 Sep 1998 | Uk | June 1939 | Oakleigh 1 Mount Close, The Mount, Highclere, Newbury, Berkshire, RG20 9QT |
| PITMAN, Graham Michael RESIGNED | Director | | 11 Mar 2014 | England | July 1950 | Chiltern Cottage, Christmas Common, Watlington, Oxon, OX49 5HL |
| REID, James David RESIGNED | Director | 06 Nov 2003 | 26 Feb 2009 | England | August 1961 | 17 Shepherds Hill, Bracknell, Berkshire, RG12 2LS |
| ROE, Graham Dudley RESIGNED | Director | | 02 Mar 2000 | | April 1942 | Larkwhistle Farm, Brimpton Common, Reading, Berkshire, RG7 4RT |
| SHOULDERS II, Timothy Lee RESIGNED | Director | 01 Dec 2020 | 10 Dec 2021 | United States | December 1979 | 31, Turnpike Road, Newbury, Berkshire, RG14 2NX, England |
| STANWELL, Roger RESIGNED | Director | 15 Dec 1995 | 05 Feb 1999 | United Kingdom | March 1950 | Highpoint, Gunville Hill, Winterslow, Salisbury, Wiltshire, SP5 1PU |
| STEEL, David Kelvin RESIGNED | Director | | 31 Mar 1999 | United Kingdom | October 1944 | Refractory House, The Old Iron Foundry, Finchdean, Waterlooville, Hampshire, PO8 0AY |
| SUSSMAN, Richard RESIGNED | Director | 10 Dec 2021 | 22 May 2023 | United States | April 1971 | 12, Queen Eleanor House, Kingsclere Park, Kingsclere, Hampshire, RG20 4SW, United Kingdom |
| TISZALI, William Richard RESIGNED | Director | 08 Feb 2018 | 17 Apr 2018 | United States | January 1970 | ., Turnpike Road, Newbury, Berkshire, RG14 2NX |
| WARD, David Martin RESIGNED | Director | 06 Feb 1998 | 06 Nov 2003 | United Kingdom | March 1962 | 17 Erlesmere Gardens, Ealing, London, W13 9TZ |
| WELLESLEY WESLEY, Michael RESIGNED | Director | 12 Apr 1996 | 06 Nov 2003 | | June 1952 | 17 Ennismore Gardens Mews, London, SW7 1HY |
| WILSON, John Fergus Graham RESIGNED | Director | | 12 Apr 1996 | | August 1932 | Dale House, Anna Valley, Andover, Hampshire, SP11 7NG |