| CHALLEN, Nicola ACTIVE | Director | 17 Jun 2026 | | United Kingdom | July 1979 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| COLLINS, Clare Louise, Dr ACTIVE | Director | 17 Jun 2026 | | United Kingdom | April 1964 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| CUNNINGHAM, Morvern ACTIVE | Director | 17 Jun 2026 | | United Kingdom | July 1982 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| GAYIBOVA, Shabnur ACTIVE | Director | 17 Jun 2026 | | United Kingdom | October 1990 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| JAMERA, Tatenda Francis ACTIVE | Director | 11 Dec 2023 | | England | August 1986 | Flat 11, The Old Fire Station, 99 Rose Road, Rose Road, Harborne, Birmingham, B17 9LW, England |
| JIN, Rui ACTIVE | Director | 09 Aug 2022 | | England | June 1991 | 25 Park Manor, London Road, Preston, Brighton, BN1 6YP, England |
| ORMSTON, Andrew ACTIVE | Director | 01 Jul 2021 | | Scotland | December 1955 | 22b, Coates Gardens, Edinburgh, EH12 5LE, Scotland |
| PADDOCK, Carmen Chloie ACTIVE | Director | 22 May 2023 | | Scotland | August 1994 | B/R 125, Crow Road, Glasgow, G11 7SJ, Scotland |
| WILSON, Samuel Marcus ACTIVE | Director | 17 Jun 2026 | | United Kingdom | October 1981 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| BROWNLIE, Thomas Cameron RESIGNED | Secretary | 08 Oct 1994 | 14 Nov 1999 | | | 37 Bronhill Terrace, Lansdowne Road Tottenham, London, N17 0LN |
| HILL, Christopher RESIGNED | Secretary | 01 Sep 2004 | 12 Aug 2006 | | | 7 Seaview Terrace, Swansea, West Glamorgan, SA1 6FE |
| MILLER, David William RESIGNED | Secretary | 23 Sep 2006 | 02 Aug 2008 | | | Greenroyd Court, Vicarage Hill, Keswick, Cumbria, CA12 5QB |
| MITCHELL, Peter John RESIGNED | Secretary | 28 Sep 2014 | 30 Jun 2020 | | | 5, Welham Road, Great Bowden, Market Harborough, Leicestershire, LE16 7HS, England |
| PHILLIPS, David, Councillor RESIGNED | Secretary | 14 Nov 1999 | 31 Aug 2004 | | | 13 Oaklands Terrace, Mount Pleasant, Swansea, West Glamorgan, SA1 6JJ |
| ADSHEAD, Adam Wainwright RESIGNED | Director | 09 Sep 2018 | 01 Jun 2019 | England | July 1964 | 29, The Meadow Way, Billericay, Essex, CM11 2HL, England |
| ANTON, Donna Joanne RESIGNED | Director | 02 Aug 2008 | 20 Sep 2010 | United Kingdom | December 1958 | 18, Riviere Towans, Phillack, Hayle, Cornwall, TR27 5AF |
| ARNOLD, Jay Michael RESIGNED | Director | 29 Nov 2014 | 15 Jul 2016 | England | June 1965 | 98, Cowlishaw Road, Sheffield, S11 8XH, England |
| ARNOLDI, Matthew C RESIGNED | Director | 21 Sep 1991 | 08 Oct 1994 | | February 1964 | 3 South View Court, Woking, Surrey, GU22 7RP |
| BIRD, Gemma Kristina RESIGNED | Director | 01 Mar 2014 | 14 Nov 2021 | England | August 1988 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| BLACKMAN, Denyce Rochelle RESIGNED | Director | 20 Sep 2020 | 14 Aug 2022 | Barbados | March 1990 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| BROWNLIE, Thomas Cameron RESIGNED | Director | 08 Oct 1994 | 02 Jun 2001 | England | January 1960 | 37 Bronhill Terrace, Lansdowne Road Tottenham, London, N17 0LN |
| CAMPBELL, Patrick Francis RESIGNED | Director | 24 Jan 2023 | 01 Mar 2026 | England | October 1987 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| CARGIN, Peter Cecil James RESIGNED | Director | 04 Oct 1997 | 02 Nov 2002 | | January 1938 | 82 Gladstone Road, Wimbledon, London, SW19 1QT |
| CARGIN, Peter Cecil James RESIGNED | Director | | 15 Jun 1994 | | January 1938 | 82 Gladstone Road, Wimbledon, London, SW19 1QT |
| CHUE HONG, Neil Philippe RESIGNED | Director | 02 Nov 2002 | 12 Nov 2005 | United Kingdom | September 1976 | 133/6 Dalkeith Road, Edinburgh, Midlothian, EH16 5AH |
| COLLARD, Richard Keith RESIGNED | Director | 10 Oct 1992 | 08 Oct 1994 | | August 1944 | 49 Bridge Lane, Ilkley, West Yorks, LS29 9EU |
| COSTELLO, Elizabeth Margaret RESIGNED | Director | 20 Sep 2020 | 31 Dec 2022 | England | November 1962 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| CROTHERS-GIBSON, Julieanne RESIGNED | Director | 02 Aug 2008 | 24 Jan 2009 | | May 1975 | 12, Lyndhurst View Avenue, Lyndhurst Meadows, Belfast, County Antrim, BT13 3XB |
| DAVISON, Anthony Ernest RESIGNED | Director | 16 Oct 1993 | 02 Nov 2002 | | June 1931 | 29 Peasholm Drive, Scarborough, North Yorkshire, YO12 7NA |
| DEMPSTER, James Cameron RESIGNED | Director | 02 Dec 2006 | 11 May 2014 | United Kingdom | July 1948 | 151a Boleyn Road, Forest Gate, London, E7 9QH |
| DEMPSTER, James Cameron RESIGNED | Director | 08 Oct 1994 | 02 Jun 2001 | | July 1948 | 57e Denbigh Street, Pimlico, London, SW1V 2EY |
| DOWLES, Bruce RESIGNED | Director | 06 Nov 2004 | 01 Dec 2007 | | January 1949 | 145 Whalley Road, Clitheroe, Lancashire, BB7 1HW |
| DRURY, Roger William RESIGNED | Director | 26 Sep 2008 | 18 Sep 2011 | England | February 1951 | Woodend, Parkend Walk Coalway, Coleford, Gloucestershire, GL16 7JS |
| ELLIOTT, Claire Jane RESIGNED | Director | 02 Aug 2008 | 31 Oct 2011 | United Kingdom | September 1983 | 66 Coode House, 7 Millsands, Sheffield, S Yorkshire, S3 8NR |
| ELLIS, Patricia Ruth RESIGNED | Director | | 21 Sep 1991 | United Kingdom | April 1926 | 49 The Rowans, Woking, Surrey, GU22 7SS |
| ELLIS, Rebecca RESIGNED | Director | 29 Feb 2020 | 29 Nov 2021 | Wales | April 1977 | 70, Arabella Street, Cardiff, CF24 4TB, Wales |
| ELLIS-MOORE, Zoe Judith RESIGNED | Director | 06 Nov 2016 | 22 Sep 2019 | England | October 1980 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| FORT, Richard Joseph RESIGNED | Director | 02 Nov 2002 | 12 Nov 2005 | | September 1938 | 8 Bradley Grove, Silsden, Keighley, West Yorkshire, BD20 9LX |
| GIBBINS, Nicholas Miles RESIGNED | Director | 08 Oct 1994 | 08 Oct 1996 | | November 1972 | 45a Stretten Avenue, Cambridge, Cambridgeshire, CB4 3ES |
| GIBBONS, Nicholas Miles RESIGNED | Director | 04 Oct 1997 | 02 Jun 2001 | | November 1972 | H58e Montefiore House, Wessex Lane, Southampton, Hampshire |
| HART, Denis RESIGNED | Director | 22 Oct 2011 | 31 Aug 2013 | England | June 1949 | 10, Demozay Close, Hawkinge, Folkestone, Kent, CT18 7PL, England |
| HEWLETT, Paul Bernard RESIGNED | Director | 01 Jun 2021 | 26 Apr 2022 | England | March 1976 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| HILL, Graham Rendle RESIGNED | Director | 12 Sep 2015 | 24 Jan 2023 | United Kingdom | September 1963 | 11, Longcroft Close, New Tupton, Chesterfield, Derbyshire, S42 6DJ, England |
| JOHNSON, Benjamin Mark RESIGNED | Director | 14 Feb 2022 | 10 Dec 2024 | United States | March 1987 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| JOHNSON-SINCLAIR, Rico Raymond Kevin Lloyd RESIGNED | Director | 20 Sep 2020 | 01 Aug 2025 | England | April 1990 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| KENNICK, Tony Charles RESIGNED | Director | 02 Jun 2001 | 02 Nov 2002 | | July 1975 | 223 Springvale Road, Sheffield, South Yorkshire, S10 1LG |
| KERR, Ian Graham RESIGNED | Director | 12 Nov 2005 | 02 Aug 2008 | | July 1943 | 7 Dundas Street, Boness, West Lothian, EH51 0DF |
| KIMAN, Sydney Jack RESIGNED | Director | 21 Sep 1991 | 08 Oct 1994 | United Kingdom | June 1947 | 53b Inverleith Row, Edinburgh, EH3 5PX |
| KNOTT, Nicholas James RESIGNED | Director | | 21 Sep 1991 | | | 76 Chain Lane, Knaresborough, North Yorkshire, HG5 0AS |
| LARGE, Michele Veronique RESIGNED | Director | | 21 Sep 1991 | | February 1964 | Brooklands, Old Road Gorey Village, Grouville, CHANNEL, Jersey Channel Islands |
| LARREA, Ana Carlota, Dr RESIGNED | Director | 04 Oct 2015 | 09 Sep 2018 | England | April 1963 | 10, Oakfield Avenue, Hitchin, Hertfordshire, SG4 9JB, England |
| MEDCALF, Jonathan Peter RESIGNED | Director | 01 Nov 2003 | 06 Nov 2004 | England | June 1961 | 24 Newton Park, Brighouse, West Yorkshire, HD6 2LW |
| MEHTA, Jane Victoria Shaxby RESIGNED | Director | 31 Aug 2019 | 01 Jul 2021 | England | December 1962 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| MILLER, David William RESIGNED | Director | 27 Oct 2001 | 02 Aug 2008 | United Kingdom | November 1956 | Greenroyd Court, Vicarage Hill, Keswick, Cumbria, CA12 5QB |
| MITCHELL, Peter John RESIGNED | Director | 22 Oct 2011 | 30 Jun 2020 | England | December 1942 | 5, Welham Road, Great Bowden, Market Harborough, Leicestershire, LE16 7HS, England |
| MITCHELL, Peter John RESIGNED | Director | 17 Sep 2011 | 21 Nov 2016 | England | December 1942 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| NAJMUDIN, Sukayna RESIGNED | Director | 12 Nov 2017 | 16 Aug 2021 | England | September 1993 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| NEWELL, Simon Litler RESIGNED | Director | 08 Oct 1994 | 08 Oct 1996 | | July 1971 | 2 Cambridge Square, London, W2 2PS |
| OWENS, Daniel John RESIGNED | Director | 02 Dec 2006 | 01 Dec 2007 | Scotland | April 1971 | 7 South Lomond Terrace, Balfron, Glasgow, G63 0PN |
| PAYNE, Alan RESIGNED | Director | 04 Oct 1997 | 02 Jun 2001 | | March 1931 | 18 Cecil Street, Lytham, Lancashire, FY8 5NN |
| PHILLIPS, Andrew David Rice RESIGNED | Director | 06 Nov 2004 | 02 Dec 2006 | | July 1945 | Ty Bryn, Tal Y Coed, Monmouth, Monmouthshire, NP25 5HR |
| PHILLIPS, David, Councillor RESIGNED | Director | 08 Oct 1994 | 06 Sep 1999 | United Kingdom | November 1947 | 13 Oaklands Terrace, Mount Pleasant, Swansea, West Glamorgan, SA1 6JJ |
| PICKERING, John Adrian RESIGNED | Director | 24 Jan 2009 | 16 Dec 2010 | United Kingdom | December 1955 | 15 Hilldown Road, Southampton, Hampshire, SO17 1SX |
| REA, David Maxwell, Doctor RESIGNED | Director | 02 Jun 2001 | 06 Nov 2004 | | October 1948 | 12 Uplands Road, Pontardawe, Swansea, SA8 4AH |
| RICE, Jason RESIGNED | Director | | 10 Oct 1992 | | January 1967 | 28 King Edward Road, Brynmawr, Gwent, NP3 4SD |
| RICHARDS, Peter David RESIGNED | Director | | 10 Oct 1992 | | April 1947 | 49 Coity Road, Bridgend, Mid Glamorgan, CF31 1LT |
| ROBERTS, Julie Marie RESIGNED | Director | 22 May 2023 | 17 Jun 2026 | England | March 1978 | Old School Cottage, Hambleden, Henley-On-Thames, RG9 6RP, England |
| SALISBURY, Adrian John RESIGNED | Director | 01 Nov 2003 | 20 Jun 2006 | | May 1948 | 8 South Street, Ventnor, Isle Of Wight, PO38 1NG |
| SCHILLING, Paul Robert RESIGNED | Director | 16 Oct 1993 | 16 Nov 1997 | United Kingdom | May 1953 | 5 Well Lane, Enmore Green, Shaftesbury, Dorset, SP7 8LP |
| SCOTT, Bradley Lewis RESIGNED | Director | 22 Oct 2011 | 31 Aug 2013 | England | June 1964 | 5, Walhatch Close, Forest Row, East Sussex, RH18 5GT, England |
| SELLAR, Katherine Cooper RESIGNED | Director | 22 Oct 2011 | 12 Jun 2021 | Scotland | September 1986 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX, England |
| SHIRE, Martyn Harry RESIGNED | Director | 10 Oct 1992 | 08 Oct 1994 | | December 1952 | 42 Beech Road, Martock, Somerset, TA12 6DT |
| SLATER, Thomas Anthony RESIGNED | Director | 01 Nov 2003 | 02 Dec 2006 | | July 1940 | 6 The Beeches, Plas Newton Lane, Chester, Cheshire, CH2 1PE |
| SMITHERS, Dudley Stuart RESIGNED | Director | 08 Oct 1994 | 01 Dec 2007 | | May 1943 | 58 St Judes Road, Englefield Green, Egham, Surrey, TW20 0RS |
| STARK, Isobel Anne RESIGNED | Director | 04 Oct 1997 | 02 Jun 2001 | | June 1971 | Eastwood Lodge 3 University Of Bath, Bath, Somerset, BA2 7AY |
| START, Isobel Anne RESIGNED | Director | 08 Oct 1994 | 08 Dec 1996 | | June 1971 | 9 Fairfield Road, Portstewart, County Londonderry, BT55 7HX |
| STEVENSON, Christine RESIGNED | Director | 10 Oct 1992 | 08 Oct 1994 | | April 1942 | 116 Wessex Oval, Wareham, Dorset, BH20 4BS |
| STOTT, Paula RESIGNED | Director | 09 Aug 2022 | 31 Dec 2025 | United Kingdom | June 1951 | 15 Chelmsford Road, 15 Chelmsford Road, Harrogate, HG1 5NA, United Kingdom |
| SWANWICK, Timothy, Professor RESIGNED | Director | 01 Mar 2014 | 16 Mar 2019 | United Kingdom | January 1961 | 83, 83 Cassiobury Road, Watford, WD17 3AG, United Kingdom |
| SWIFT, Andrew James RESIGNED | Director | 21 Sep 1991 | 08 Oct 1994 | | May 1957 | Highbury Coldharbour, Sherborne, Dorset, DT9 4AB |
| TALBOT-ROBERTS, Maryan RESIGNED | Director | | 16 Oct 1993 | | January 1938 | 2 Douro Terrace, St Helier, CHANNEL, Jersey Channel Islands |
| THOMAS, Guy David Vivian RESIGNED | Director | 05 Dec 2009 | 31 Aug 2013 | United Kingdom | July 1975 | Unit 320, The Workstation, 15 Paternoster Row, Sheffield, South Yorkshire, S1 2BX, England |
| THOMSON, Nadine Maree RESIGNED | Director | 03 Sep 2016 | 29 Feb 2020 | England | September 1976 | The, Workstation, 15 Paternoster Row, Sheffield, S1 2BX |
| THORNDIKE, Anthony Edward, Dr RESIGNED | Director | 22 Oct 2011 | 06 Nov 2016 | England | October 1941 | 5, Hollins Road, Harrogate, North Yorkshire, HG1 2JF, England |
| VICKERS, Julia RESIGNED | Director | 27 Oct 2001 | 30 Jun 2005 | | February 1963 | 12 Falcon Avenue, Reading, RG2 8EL |
| WALDEN, Victoria Grace, Dr RESIGNED | Director | 22 Sep 2019 | 31 Jul 2020 | England | August 1985 | Unit 41 The Workstation, Paternoster Row, Sheffield, South Yorkshire, S1 2BX, England |
| WALKLEY, Phillip, Chairman RESIGNED | Director | | 21 Sep 1991 | | November 1946 | Spring Cottage Queen Street, Yetminster, Sherborne, Dorset, DT9 6LL |
| WINSLOW, Harry RESIGNED | Director | | 16 Oct 1993 | | March 1945 | 21 Loch Laxford, East Kilbride, Glasgow, Lanarkshire, G74 2DL |