| BORGMEIER, Lynn ACTIVE | Secretary | 04 Feb 2025 | | | | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Centre, Wilmington, Delaware 19801, United States |
| EGGLESTON, Brian Paul ACTIVE | Director | 10 Mar 2017 | | United Kingdom | January 1976 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware - 19801, United States |
| HARVEY, Michael John ACTIVE | Director | 01 Aug 2021 | | United Kingdom | April 1969 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware 19801, United States |
| PRAEGER, Thomas ACTIVE | Director | 06 Jan 2025 | | United Kingdom | November 1981 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware - 19801, United States |
| BARRY, Chloe Silvana RESIGNED | Secretary | 07 Oct 2015 | 29 Apr 2017 | | | 100, Thames Valley Park Drive, Reading, RG6 1PT |
| GRIFFIN, John Edward Henry RESIGNED | Secretary | 30 Jun 1995 | 01 Apr 2003 | | | 155 Cannon Lane, Pinner, Middlesex, HA5 1HU |
| INMAN, Carol Susan RESIGNED | Secretary | 01 Apr 2003 | 30 May 2014 | | | 11 Privet Close, Lower Earley, Reading, Berkshire, RG6 4NY |
| MARKHAM, Una RESIGNED | Secretary | 03 Oct 1996 | 07 Sep 2001 | | | 18 Howard Road, Wokingham, Berkshire, RG40 2BX |
| MASTERS, Cynthia Elaine RESIGNED | Secretary | 01 Jan 2006 | 28 Jul 2010 | | | 27010 Rock Island Road, Hempstead, Tx 77445, United States |
| MIRANDA, Janette Buckley RESIGNED | Secretary | 30 May 2014 | 07 Oct 2015 | | | 100, Thames Valley Park Drive, Reading, Berkshire, RG6 1PT |
| THOMAS, Luke RESIGNED | Secretary | 25 Aug 1998 | 31 Dec 1999 | | | 94 Watcombe Road, South Norwood, London, SE25 4UZ |
| ASHWORTH, Michael John RESIGNED | Director | 30 Apr 2017 | 28 Jun 2024 | United Kingdom | December 1961 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware 19801, United States |
| BROWN, Malcolm Archibald Halliday RESIGNED | Director | 28 Jul 2010 | 21 Dec 2012 | United Kingdom | May 1953 | 100, Thames Valley Park, Reading, Berkshire, RG6 1PT |
| BROWN, Malcolm Archibald Halliday RESIGNED | Director | 01 Mar 1996 | 01 Nov 1999 | United Kingdom | May 1953 | Hill Rising, Green Lane, Pangbourne, Berkshire, RG8 8LD |
| BURRARD-LUCAS, Stephen Charles RESIGNED | Director | 01 Feb 1995 | 30 Nov 1998 | United Kingdom | April 1954 | 50 The Rise, Sevenoaks, Kent, TN13 1RL |
| CHAPMAN, Frank Joseph RESIGNED | Director | 26 Nov 1996 | 30 Dec 2004 | | June 1953 | Marden House, Beech Drive, Kingswood, Surrey, KT20 6PP |
| COLLINGWOOD, Jonathan Mark RESIGNED | Director | 31 Dec 2013 | 03 Oct 2014 | United Kingdom | August 1964 | 100, Thames Valley Park Drive, Reading, Berkshire, RG6 1PT |
| DOUGHTY, Donald Glenwood RESIGNED | Director | 15 Oct 1997 | 31 Aug 2000 | | February 1956 | Arlington House, 5 Coombe Hill Court St Leonards Hill, Windsor, Berkshire, SL4 4UL |
| FEAST, Nicholas RESIGNED | Director | 01 Aug 2021 | 02 Dec 2024 | United Kingdom | January 1971 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware 19801, United States |
| FORBES, Timothy John RESIGNED | Director | 24 Oct 1995 | 01 Nov 1999 | United Kingdom | May 1947 | Seend Head House, Seend Head, Seend, Melksham, Wiltshire, SN12 6PP |
| FRIEDLANDER, Colin David RESIGNED | Director | 01 Feb 1995 | 02 Jun 1997 | | June 1947 | Tanyard Tanners Lane, Eynsham, Witney, Oxfordshire, OX29 4HJ |
| FRIEDRICH, William Michael RESIGNED | Director | 01 Nov 1999 | 17 Mar 2005 | | January 1949 | Eagle House, 108-110 Jermyn Street, London, SW1Y 6RP |
| FYSH, Stuart Alfred, Dr RESIGNED | Director | 10 Mar 2006 | 24 Nov 2008 | | November 1956 | Cardinals Ride, Monks Walk, South Ascot, Berkshire, SL5 9AZ |
| FYSH, Stuart Alfred RESIGNED | Director | 01 Nov 1999 | 01 Apr 2003 | | November 1956 | 25b Mostafa Kamel Street, Maadi, Cairo, FOREIGN, Egypt |
| GUPTA, Rishiraj RESIGNED | Director | 07 Oct 2015 | 09 Mar 2017 | United Kingdom | January 1974 | 100, Thames Valley Park Drive, Reading, RG6 1PT |
| HALL, Graham RESIGNED | Director | 08 Jul 2010 | 28 Feb 2017 | United Kingdom | February 1961 | 100, Thames Valley Park, Reading, Berkshire, RG6 1PT |
| HAWKER, Cecil Robert RESIGNED | Director | 01 Feb 1995 | 31 Mar 1996 | United Kingdom | October 1939 | 16 Herbert Road, Rainham, Gillingham, Kent, ME8 9BZ |
| HOUSTON, Martin Joseph RESIGNED | Director | 01 Nov 1999 | 28 Jul 2010 | | November 1957 | Locksley, 3 Shalford Road, Guildford, Surrey, GU4 8AA |
| JUNGELS, Pierre Jean Marie Henri, Doctor RESIGNED | Director | 19 Dec 1995 | 24 Sep 1996 | | February 1944 | Chauffeurs Cottage 11 The Brookmill, Coley Park Farm, Reading, Berkshire, RG1 6DD |
| LIDDELL, Richard Thomas RESIGNED | Director | 04 Sep 1997 | 01 Jun 1999 | | November 1947 | Griffiths Cross, Queensgate, Cobham, Surrey, KT11 2TG |
| MARTIN-DAVIS, Andrew RESIGNED | Director | 07 Oct 2015 | 31 May 2016 | United Kingdom | November 1961 | 100, Thames Valley Park Drive, Reading, RG6 1PT |
| MASTERS, Cynthia Elaine RESIGNED | Director | 01 Jan 2006 | 28 Jul 2010 | | August 1955 | 27010 Rock Island Road, Hempstead, Tx 77445, United States |
| MCMANUS, David RESIGNED | Director | 23 May 2000 | 30 Sep 2004 | United Kingdom | June 1953 | Broome, Herbert Road, Fleet, Hants, GU51 4JN |
| NUNAN, Anthony Joseph RESIGNED | Director | 27 Mar 2014 | 05 Oct 2015 | United Kingdom | August 1978 | 100, Thames Valley Park Drive, Reading, Berkshire, RG6 1PT |
| PEACHEY, Jonathan Robert RESIGNED | Director | 10 Mar 2017 | 30 Jul 2021 | United Kingdom | May 1965 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware 19801, United States |
| PRESTON, David RESIGNED | Director | 31 Mar 1996 | 27 Aug 1999 | | December 1944 | 2 Ashes Barn, New Hutton, Kendal, Cumbria, LA8 0AS |
| ROBERTS, David E. RESIGNED | Director | 03 Feb 2003 | 10 Mar 2006 | | July 1960 | 9 Minster Court, Minster Street, Reading, Berkshire, RG1 2JF |
| SCHWARZ, Peter Heinz RESIGNED | Director | 01 Mar 1996 | 31 Dec 1998 | United Kingdom | May 1951 | 7 Kings Mead Park, Claygate, Surrey, KT10 0NS |
| SMITH, Graeme RESIGNED | Director | 10 Mar 2017 | 21 Mar 2019 | Malaysia | February 1960 | The Corporation Trust Company, Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware 19801, United States |
| SUTCLIFFE, Sean George Cronin RESIGNED | Director | 30 Jun 1998 | 01 Nov 1999 | | December 1963 | 384 Station Road, Dorridge, West Midlands, B93 8ES |
| TAYLOR, William Emil RESIGNED | Director | 09 Jan 2013 | 31 Dec 2013 | England | May 1968 | 100, Thames Valley Park Drive, Reading, Berkshire, RG6 1PT |
| THORNLEY, Brian Ralph RESIGNED | Director | 24 Oct 1995 | 01 Nov 1999 | | November 1946 | 18 Roopers, Speldhurst, Kent, TN3 0QL |
| TRAFFORD, Edward Le Marchant RESIGNED | Director | 29 Sep 1998 | 31 Aug 2000 | | December 1945 | Flat 9, 25 De Vere Gardens, London, W8 5AN |
| WALSHE, Edward Thomas RESIGNED | Director | 03 Oct 1996 | 01 Nov 1999 | | May 1941 | 57 Bowerdean Street, London, SW6 3TN |
| WORMLEY, Jon Clarke RESIGNED | Director | 01 Dec 1998 | 30 Dec 2004 | | May 1948 | Upper Court, Forest Road, Pyrford, Surrey, GU22 8NA |