| BRAGG, Caroline ACTIVE | Secretary | 21 May 2024 | | | | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| GOULD, Aaron Joseph Benjamin ACTIVE | Secretary | 01 Jan 2026 | | | | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| KAMOURIEH, Dina ACTIVE | Secretary | 01 May 2022 | | | | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| APPAN, Suneel Edward ACTIVE | Director | 15 Nov 2022 | | England | June 1986 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| DOYLE, Rachael Louise ACTIVE | Director | 21 Mar 2018 | | England | April 1973 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| GRIFFITHS, Meriel Matear ACTIVE | Director | 01 Sep 2021 | | England | December 1964 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| HOBDAY, Simon ACTIVE | Director | 17 Jul 2015 | | United Kingdom | October 1970 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| MARTIN, Alastair John, Dr ACTIVE | Director | 17 Jul 2015 | | Scotland | April 1970 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| NOLAN, Dermot James ACTIVE | Director | 05 May 2026 | | England | April 1966 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| ROBSON, David Fairfax ACTIVE | Director | 13 Dec 2017 | | England | November 1978 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| SANDERS, Nathan Daniel Karl ACTIVE | Director | 09 Nov 2023 | | England | March 1972 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| STANDLEY, James Anthony ACTIVE | Director | 09 Nov 2023 | | England | July 1977 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| WAKE, Michael Geoffrey ACTIVE | Director | 01 Jan 2026 | | England | April 1970 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| CALVERT, Ian Robert RESIGNED | Secretary | 01 Mar 2020 | 02 Mar 2022 | | | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| FRENCHAM, Lily RESIGNED | Secretary | 10 Mar 2022 | 21 May 2024 | | | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| GREEN, David Ian RESIGNED | Secretary | | 15 Nov 2007 | | | 193, Castle Road, Bedford, Bedfordshire, MK40 3TX |
| MEEKS, Graham Patrick RESIGNED | Secretary | 15 Nov 2007 | 31 Aug 2013 | | | 33 Vicarage Road, Henley On Thames, Oxfordshire, RG9 1HT |
| ROTHERAY, Timothy, Dr RESIGNED | Secretary | 01 Sep 2013 | 25 Nov 2019 | | | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, United Kingdom |
| AHEARNE, Mitie, Dr RESIGNED | Director | 19 Jun 1997 | 23 Feb 1998 | | September 1951 | 61 Green Lane North, Coventry, West Midlands, CV3 6DN |
| ALBERRY, Peter John, Dr RESIGNED | Director | 29 Jun 1992 | 23 May 1994 | England | September 1948 | Whisper Cottage, 54 Compton Bassett, Calne, Wiltshire, SN11 8RH |
| ALBERS, Alfred William RESIGNED | Director | 29 Jun 1992 | 04 Jun 1993 | | May 1929 | 5 Punnetts Court, Crawley, West Sussex, RH11 8UP |
| ARMISTEAD, George Huvelle RESIGNED | Director | 16 Dec 2004 | 14 Mar 2006 | | February 1946 | 1 Rydal Cottage, Mill Lane, Thorpe, Surrey, TW20 8QT |
| ARMITAGE, Christopher Herbert RESIGNED | Director | 29 Jun 1992 | 24 Jun 1998 | | June 1948 | 19 Southwell Gardens, Ashton Under Lyne, Lancashire, OL6 8XS |
| ASHCROFT, John Stuart RESIGNED | Director | 18 May 1995 | 04 Nov 1997 | | March 1947 | Brae Cottage The Avenue, Compton, Guildford, Surrey, GU3 1JN |
| ATKINS, Gerald RESIGNED | Director | | 27 Jul 2001 | | September 1936 | 18 Custom House Lane, Plymouth, Devon, PL1 3TG |
| BALL, Malcolm RESIGNED | Director | 17 Jun 2009 | 31 May 2012 | United Kingdom | September 1957 | 10 The Willows, Chesham Bois, Amersham, Buckinghamshire, HP6 5NT |
| BARLOW, Alan Kenneth RESIGNED | Director | 10 Jul 2008 | 10 Nov 2014 | United Kingdom | September 1964 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| BARNARD, Mark David RESIGNED | Director | 01 Nov 2011 | 01 Mar 2012 | England | December 1961 | Grosvenor Gardens House, 35/37 Grosvenor Gardens, Victoria, London , SW1W 0BS |
| BELL, Sara Louise RESIGNED | Director | 17 Jul 2015 | 13 Dec 2017 | United Kingdom | February 1969 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| BOOTH, Stephen RESIGNED | Director | 19 May 1994 | 18 May 1995 | | November 1959 | 4 Beatswell Lawn, North Stainley, Ripon, North Yorkshire, HG4 3HE |
| BOUGHTON, Steven RESIGNED | Director | 24 Jun 2004 | 13 Dec 2006 | | February 1966 | 11 Meadow Pleck Lane, Dickens Heath, Shirley, West Midlands, B90 1SN |
| BOWERS, Dominic William RESIGNED | Director | 27 Jul 2001 | 17 Sep 2019 | United Kingdom | December 1960 | Ingleside, High Street, Swaffham Prior, Cambridge, Cambridgeshire, CB5 0LD |
| BOWERS, Dominic William RESIGNED | Director | | 24 Jun 1998 | | December 1960 | 56 Warwick Road, St Albans, Hertfordshire, AL1 4DL |
| BRAMLEY, Anthony Josiah RESIGNED | Director | 18 May 1995 | 04 Mar 2010 | United Kingdom | January 1951 | 21 Chalk Farm Road, Stokenchurch, High Wycombe, Buckinghamshire, HP14 3TB |
| BROOK, Sarah RESIGNED | Director | 01 Apr 2009 | 01 Jul 2011 | United Kingdom | March 1967 | 45, Heaton Gardens, Paddock, Huddersfield, West Yorkshire, HD1 4JA |
| BROWN, Stephen Andrew RESIGNED | Director | 03 Jun 1993 | 18 May 1995 | | November 1947 | 7 Shakespeare Road, Salisbury, Wiltshire, SP1 3LA |
| BRYANT, John RESIGNED | Director | 29 Jun 1992 | 18 May 1995 | | June 1946 | 5 Bernard Gardens, Wimbledon, London, SW19 7BE |
| BUCKNALL, William Toby RESIGNED | Director | 19 Nov 2008 | 01 Jul 2010 | England | March 1960 | 4, Blacksmiths Road, Longwick, Princes Risborough, Buckinghamshire, HP27 9TB |
| BUTTERWORTH, Nicola Jane RESIGNED | Director | 15 Nov 2022 | 09 Nov 2023 | England | November 1972 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| CALVERT, Ian Robert RESIGNED | Director | 15 Nov 2007 | 01 Mar 2020 | England | March 1965 | 19 Saintbury Drive, Solihull, West Midlands, B91 3SZ |
| CARR, David Joseph RESIGNED | Director | 19 May 1994 | 18 May 1995 | | June 1952 | 69 Toton Lane, Stapleford, Nottingham, Nottinghamshire, NG9 7HB |
| COLEMAN, Nicholas Charles RESIGNED | Director | | 01 Mar 1994 | | January 1952 | 34 Ritherdon Road, London, SW17 8QF |
| DE SARANDY, Nicholas RESIGNED | Director | 26 Jun 2013 | 10 Nov 2022 | England | May 1955 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| DERRY, Richard Ironmonger RESIGNED | Director | 26 Apr 2010 | 29 Jul 2011 | United Kingdom | March 1947 | Grosvenor Gardens House, 35/37 Grosvenor Gardens, Victoria, London , SW1W 0BS |
| DUFFY, Peter RESIGNED | Director | 19 May 1994 | 04 Nov 1997 | | September 1954 | 20 Meadow Walk, Harpenden, Hertfordshire, AL5 5TG |
| EARL, John Charles RESIGNED | Director | 19 Jun 1997 | 24 Jun 1998 | | January 1947 | 9 Canonsfield Road, Oaklands, Welwyn, Hertfordshire, AL6 0PY |
| EDDINGTON, Keith RESIGNED | Director | 08 Nov 1999 | 15 May 2002 | United Kingdom | June 1946 | Foxgrove, Ranby Market Rasen, Lincoln, Lincolnshire, LN8 5LN |
| EDDINGTON, Keith RESIGNED | Director | 03 Apr 1996 | 24 Jun 1998 | United Kingdom | June 1946 | Foxgrove, Ranby Market Rasen, Lincoln, Lincolnshire, LN8 5LN |
| EDDYSHAW, James RESIGNED | Director | 19 May 1994 | 19 Jun 1996 | | June 1929 | Cobblers Hill, Devauden, Chepstow, Gwent, NP6 6NW |
| FAIRHALL, Christopher Martin RESIGNED | Director | 18 May 1995 | 19 Nov 1996 | | December 1945 | 1 Pearl Close, Oakwood, Derby, Derbyshire, DE21 2JX |
| FAWCETT, Malcolm RESIGNED | Director | 14 Mar 2006 | 12 Mar 2008 | | August 1953 | 4 Noel House, The Park Ealing, London, W5 5NJ |
| GARDINER, Paul Christopher RESIGNED | Director | 01 Apr 2010 | 27 Jul 2015 | United Kingdom | August 1951 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, United Kingdom |
| GIBSON, Brian Michael RESIGNED | Director | 19 Jun 1997 | 23 Feb 1998 | | February 1934 | 104 Hardy Mill Road, Harwood, Bolton, Lancashire, BL2 3PH |
| GOLDSWORTHY, Peter RESIGNED | Director | 19 May 1994 | 19 Jun 1996 | | December 1942 | Quinque 5 Brookside, Euxton, Chorley, Lancashire, PR7 6HR |
| GUTTRIDGE, Steven John RESIGNED | Director | 19 May 1994 | 01 Oct 2002 | United Kingdom | November 1955 | 14 Convent Gardens, Findon, West Sussex, BN14 0RZ |
| HARE, Peter James RESIGNED | Director | 03 Jun 1993 | 19 May 1994 | | August 1946 | 1 Overton Gardens, Kilmacolm, Penfrewshire, Renfrewshire, PA13 4DS |
| HARLAND, Malcolm Stuart RESIGNED | Director | 19 Jun 1997 | 24 Jun 1998 | | April 1947 | 31 Theberton Street, London, N1 0QY |
| HARLAND, Malcolm Stuart RESIGNED | Director | | 04 Jun 1993 | | April 1947 | 31 Theberton Street, London, N1 0QY |
| HARRIS, Vincent Richard RESIGNED | Director | 19 May 1994 | 04 Nov 1997 | England | May 1951 | Ashlea Whiteway View, Stratton, Cirencester, Gloucestershire, GL7 2HY |
| HENDERSON, Nevile Charles RESIGNED | Director | 03 Jun 1993 | 19 May 1994 | | October 1938 | 8 Shaw Crescent, Sanderstead, South Croydon, Surrey, CR2 9JA |
| HOPE, James Robert John RESIGNED | Director | 19 May 1994 | 24 Jun 1998 | | August 1949 | Brooklands Lodge, 52 Wrockwardine Road, Wellington, Salop, TF1 3DB |
| HOPE, James Robert John RESIGNED | Director | | 04 Jun 1993 | | August 1949 | Brooklands Lodge, 52 Wrockwardine Road, Wellington, Salop, TF1 3DB |
| HOSKINS, Lawrence Anthony RESIGNED | Director | | 31 Mar 1999 | | October 1950 | The Conifers, 7 The Green Dunston, Lincoln, LN4 2HE |
| HOUSTON, William Monro RESIGNED | Director | | 04 Jun 1993 | United Kingdom | October 1936 | Rocklea, 28 Craigendarroch Walk, Ballater, Aberdeenshire, AB35 5ZB |
| HUNTER, Gordon Robert RESIGNED | Director | 29 Jun 1992 | 04 Jun 1993 | England | December 1936 | 139 Mather Avenue, Liverpool, Merseyside, L18 6JZ |
| JEPSON, Malcolm RESIGNED | Director | 19 Jun 1997 | 24 Jun 1998 | | February 1957 | 2 The Reddings, Castlemorton, Malvern, Worcestershire, WR13 6AA |
| KEBLE-WHITE, Arthur James RESIGNED | Director | | 29 Jun 1992 | | May 1930 | Burdocks, Wisborough Green, Billingshurst, Sussex, RH14 0HA |
| KENNETT, Robert RESIGNED | Director | 16 Jun 2008 | 01 Jan 2015 | United Kingdom | July 1950 | 8, Robert Hall Road, Arnesby, Leicester, Leicestershire, LE8 5UX |
| KENNETT, Robert John RESIGNED | Director | 29 Jun 1992 | 15 May 2002 | United Kingdom | July 1950 | The Old Farmhouse, Robert Hall Road, Arnesby, Leicestershire, LE8 5UX |
| KERR, Alistair RESIGNED | Director | 19 May 1994 | 19 Jun 1996 | | March 1938 | 2 Crinan Road, Bishopbriggs, Glasgow, G64 1BG |
| KNIGHTS, Mark RESIGNED | Director | 21 Mar 2018 | 17 Sep 2019 | England | July 1974 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| LANDELS, William Daniel RESIGNED | Director | 03 Apr 1996 | 04 Nov 1997 | | October 1943 | 41 Ayr Road, Giffnock, Glasgow, G46 6SD |
| LANIGAN, Edward Patrick, Dr RESIGNED | Director | 19 May 1994 | 04 Nov 1997 | United Kingdom | September 1940 | 20 Wilmerhatch Lane, Epsom, Surrey, KT18 7EQ |
| LAWLESS, Philip Stewart, Dr RESIGNED | Director | 16 Dec 2004 | 17 Sep 2019 | England | July 1961 | Old Courthouse, Kirkwhelpington, Newcastle Upon Tyne, NE19 2RS |
| LAWLESS, Philip Stewart, Dr RESIGNED | Director | 19 May 1994 | 18 May 1995 | England | July 1961 | Old Courthouse, Kirkwhelpington, Newcastle Upon Tyne, NE19 2RS |
| LAWRENCE, David John, Dr RESIGNED | Director | 19 May 1994 | 24 Jun 1998 | United Kingdom | July 1944 | 7 Coppice Close, Wakefield, West Yorkshire, WF1 4TA |
| LAWRENCE, David John, Dr RESIGNED | Director | 29 Jun 1992 | 04 Jun 1993 | United Kingdom | July 1944 | 7 Coppice Close, Wakefield, West Yorkshire, WF1 4TA |
| MARSLAND, Christopher John RESIGNED | Director | 10 Nov 2014 | 11 Jul 2018 | United Kingdom | June 1962 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| MCCAFFREY, Maureen Patricia RESIGNED | Director | 01 Aug 2010 | 17 Jul 2013 | United Kingdom | March 1964 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, United Kingdom |
| MCGRAIL, Daniel RESIGNED | Director | 10 Nov 2014 | 30 Apr 2021 | United Kingdom | July 1980 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| MELLAR, Gordon Hollings RESIGNED | Director | 03 Apr 1996 | 04 Nov 1997 | | October 1935 | 10 Courtenay Gardens, Newton Abbot, Devon, TQ12 1HS |
| MILLS, Peter RESIGNED | Director | | 31 Aug 1993 | | January 1942 | 3 Oaklea Close, Welwyn, Hertfordshire, AL6 0QL |
| NKONGE, Noah RESIGNED | Director | 15 Nov 2022 | 09 Nov 2023 | England | October 1981 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| OLSON, Andrew Hugh Fitzgerald, Councillor RESIGNED | Director | | 29 Jun 1992 | | February 1909 | Rivergate Southlea Road, Datchet, Slough, Berkshire, SL3 9BY |
| OSBORNE, Simon RESIGNED | Director | 01 Dec 2011 | 01 Aug 2014 | United Kingdom | July 1957 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, United Kingdom |
| OVERBYE, Pernille Mette RESIGNED | Director | 16 Jun 2008 | 10 Nov 2014 | Denmark | October 1965 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, United Kingdom |
| PACKER, Julian Phipps, Dr RESIGNED | Director | 01 Aug 2014 | 22 Mar 2017 | England | November 1954 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| PACKER, Julian Phipps, Dr RESIGNED | Director | 02 Mar 2004 | 01 Apr 2014 | England | November 1954 | 11 Westfield Road, Cheadle Hulme, Stockport, Cheshire, SK8 6EH |
| PACKER, Julian Phipps RESIGNED | Director | 16 Nov 1995 | 31 Jul 1997 | | November 1954 | 66 Calderbrook Drive, Cheadle Hulme, Cheadle, Cheshire, SK8 5RZ |
| PADFIELD, Lucy RESIGNED | Director | 22 Mar 2017 | 15 Dec 2025 | England | August 1968 | Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX |
| PAGE, Michael Brian RESIGNED | Director | | 04 Jun 1993 | England | April 1937 | 90 Station Road, Cropston, Leicester, Leicestershire, LE7 7HE |
| PAPWORTH, Mark Harry RESIGNED | Director | 05 Mar 1999 | 27 Nov 2000 | | January 1965 | The Old Vicarage, Church Lane Reepham, Lincoln, LN3 4DQ |
| PENNINGTON, Neil, Doctor RESIGNED | Director | 24 Jun 1998 | 27 Jul 2001 | | March 1965 | 10 St Gerards Road, Solihull, West Midlands, B91 1TZ |
| PETRIE, Wilfrid RESIGNED | Director | 26 Oct 2005 | 10 Sep 2008 | | October 1965 | 43 Lower Belgrave Street, London, SW1W 0LS |
| PIDDINGTON, Phillip Charles RESIGNED | Director | 24 Jun 1998 | 23 Oct 2005 | England | November 1956 | Padson Farm, Folly Gate, Okehampton, Devon, EX20 3BA |
| PLAYLE, Colin RESIGNED | Director | | 18 May 1995 | | May 1933 | Somnerfield House 3 West Road, Haddington, East Lothian, EH41 3RD |
| PLOWMAN, Keith RESIGNED | Director | 22 Oct 2002 | 18 Jan 2008 | United Kingdom | March 1958 | 14 Hanbury Road, Stoke Heath, Bromsgrove, Worcestershire, B60 4LR |
| PLOWMAN, Keith RESIGNED | Director | 19 Jun 1997 | 24 Jun 1998 | United Kingdom | March 1958 | 14 Hanbury Road, Stoke Heath, Bromsgrove, Worcestershire, B60 4LR |
| PORTER, Andrew Hillary RESIGNED | Director | 03 Jun 1993 | 18 May 1995 | United Kingdom | June 1951 | 7 Little Bornes, Alleyn, London, SE21 8SD |
| PUTMAN, Robin Anthony RESIGNED | Director | 18 Nov 2008 | 01 Jan 2013 | United Kingdom | June 1957 | 54 Sheepfold Road, Guildford, Surrey, GU2 9TT |