| WOLFENDEN, Thomas ACTIVE | Secretary | 20 Sep 2024 | | | | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| ASQUITH, Yvonne ACTIVE | Director | 14 Apr 2021 | | England | May 1978 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| KANAREK, Melanie Ruth ACTIVE | Director | 11 Mar 2025 | | England | May 1961 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| MACDONALD, Neil Andrew ACTIVE | Director | 07 Jun 2019 | | England | July 1956 | Cooper Building, Arundel Street, Sheffield, S1 2NS, England |
| MAYFIELD-TULIP, Claire Louise ACTIVE | Director | 16 Sep 2024 | | England | March 1976 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| PRINCE, Alexander Michael ACTIVE | Director | 26 Feb 2026 | | England | March 1976 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| TIWARI, Ashutosh ACTIVE | Director | 13 Feb 2024 | | England | January 1976 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| DARWIN, John Anthony RESIGNED | Secretary | | 29 May 1992 | | | 14 Grange Crescent, Sheffield, S Yorks, S11 8AY |
| GRAYSON, Lindsey Joanne RESIGNED | Secretary | 07 May 2004 | 27 Oct 2010 | | | 63 Stubley Lane, Dronfield, Derbyshire, S18 1PG |
| HAYMAN, Keith RESIGNED | Secretary | 29 May 1992 | 27 Oct 1995 | | | 46 Southgrove Road, Sheffield, South Yorkshire, S10 2NQ |
| METCALFE, Abi RESIGNED | Secretary | 22 Nov 2010 | 24 Mar 2011 | | | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| MOYNAHAN, Laura Maria RESIGNED | Secretary | 27 Oct 1995 | 03 May 1996 | | | 122 Upperthorpe, Sheffield, South Yorkshire, S6 3NF |
| NEEDHAM, Jane Elizabeth RESIGNED | Secretary | 27 Oct 2010 | 15 Nov 2010 | | | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| WEBSTER, Howard Mark RESIGNED | Secretary | 03 May 1996 | 07 May 2004 | | | Brightlands 10 Park Edge, Hathersage, Hope Valley, Derbyshire, S32 1BS |
| WOOD, Peter RESIGNED | Secretary | 05 Apr 2011 | 08 Feb 2013 | | | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| ANDERSON, Robert John, Professor RESIGNED | Director | 12 May 2000 | 05 Sep 2003 | | November 1946 | Town Head Farm, Longnor, Buxton, Derbyshire, SK17 0PS |
| BRELSFORD, Martin Charles RESIGNED | Director | 09 Aug 1999 | 08 Sep 2000 | | September 1965 | 52 Wynyard Road, Hillsborough, Sheffield, South Yorkshire, S6 4GE |
| CLAYDON, Peter Christopher RESIGNED | Director | 21 Jun 1996 | 01 Apr 2008 | United Kingdom | April 1945 | The Old Vicarage, Beckett Road, Dewsbury, West Yorkshire, WFB 2DD |
| CORNICK, Peter Charles RESIGNED | Director | | 21 Jun 1996 | | April 1935 | Moorgate House 2 Cavendish Avenue, Sheffield, South Yorkshire, S17 3NJ |
| DARWIN, John Anthony RESIGNED | Director | | 29 May 1992 | | September 1948 | 14 Grange Crescent, Sheffield, S Yorks, S11 8AY |
| DUNKLEY, Sylvia Jane, Councillor Doctor RESIGNED | Director | 28 Aug 2001 | 01 Aug 2002 | United Kingdom | May 1945 | 66 Whirlowdale Road, Sheffield, South Yorkshire, S7 2NJ |
| FRIZELLE, Michael John RESIGNED | Director | | 30 Jan 2004 | United Kingdom | April 1949 | 9 Weavers Close, Sheffield, S Yorks, S35 8RH |
| GORMAN, Martin Philip RESIGNED | Director | 15 May 1998 | 20 May 2005 | | August 1962 | 8 Rochester Close, Sheffield, South Yorkshire, S10 4JL |
| GREEN, Stuart Roger RESIGNED | Director | | 24 May 2013 | United Kingdom | July 1953 | 16 Spoon Way, Stannington, Sheffield, South Yorkshire, S6 6EZ |
| HANDSCOMBE, Robert Dudley, Dr RESIGNED | Director | 21 May 1994 | 09 Feb 2007 | United Kingdom | August 1947 | 15 Bents Drive, Sheffield, South Yorkshire, S11 9RN |
| HARRY, Deborah Rachel Ruth RESIGNED | Director | 24 Feb 2017 | 03 Feb 2021 | England | May 1965 | Cooper Buildings, Arundel Street, Sheffield, S1 2NS, England |
| HAYES, Peter John RESIGNED | Director | 30 Jan 2004 | 07 Jun 2019 | England | August 1946 | Losehill Farm, Castleton, Hope Valley, Derbyshire, S33 8WB |
| HAYMAN, Keith RESIGNED | Director | 29 May 1992 | 27 Oct 1995 | United Kingdom | September 1944 | 46 Southgrove Road, Sheffield, South Yorkshire, S10 2NQ |
| HEATON, Christopher Charles Standring RESIGNED | Director | 21 Jun 1996 | 28 Aug 1997 | England | December 1958 | 6 Home Farm Court, Wortley, Sheffield, South Yorkshire, S35 7DT |
| HIGHFIELD, Edward RESIGNED | Director | 25 May 2007 | 24 Feb 2017 | United Kingdom | May 1980 | 12 The Brew House Ecclesall Road, Sheffield, South Yorkshire, S11 8HG |
| HIGHFIELD, Edward RESIGNED | Director | 02 Aug 2004 | 13 Jul 2006 | United Kingdom | May 1980 | 12 The Brew House Ecclesall Road, Sheffield, South Yorkshire, S11 8HG |
| HILL, Keith Leonard RESIGNED | Director | 08 Sep 2000 | 14 May 2001 | | November 1938 | 10 Totley Brook Road, Sheffield, South Yorkshire, S17 3QS |
| HOBBS, John Michael RESIGNED | Director | 03 May 1996 | 30 Mar 1999 | England | May 1942 | 11 Cedar Close, South Ella, Hull, North Humberside, HU10 7HY |
| JONES, Stephen Christopher Sutton, Councillor RESIGNED | Director | 01 Aug 2002 | 24 Jun 2003 | | October 1951 | 20 Pleasant Road, Sheffield, South Yorkshire, S12 2BE |
| JORDAN, William Thomas RESIGNED | Director | | 03 Aug 1999 | | July 1925 | 14 Derriman Drive, Sheffield, South Yorkshire, S11 9LD |
| KAY, David Robert RESIGNED | Director | 21 Jun 1996 | 26 Aug 2016 | England | March 1954 | Branksome Mellor Lane, Chapel En Le Frith, High Peak, Derbyshire, SK23 9SA |
| KERRIGAN, Kevin, Professor RESIGNED | Director | 11 Feb 2021 | 19 Sep 2023 | United Kingdom | January 1968 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| KIME, Nicholas Kenneth Duncan RESIGNED | Director | 08 Sep 2000 | 02 Aug 2004 | | February 1959 | 167 Watt Lane, Sheffield, South Yorkshire, S10 5RD |
| MACDONALD, Robert, Councillor RESIGNED | Director | 12 Jul 2006 | 11 Sep 2006 | | July 1943 | 8 Vainor Road, Sheffield, South Yorkshire, S6 4AN |
| MATHEWS, George, Councillor RESIGNED | Director | 20 May 1992 | 18 Mar 1996 | | March 1934 | 36 Osberton Place, Sheffield, South Yorkshire, S11 8XL |
| MOSS, Conor RESIGNED | Director | 19 Sep 2023 | 26 Feb 2026 | England | July 1976 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| MOUNTFORD, Kali Carol Jean RESIGNED | Director | 20 May 1992 | 09 Mar 1995 | | January 1954 | 55 Vivian Road, Firth Park, Sheffield, South Yorkshire, S5 6WJ |
| MOYNAHAN, Laura Maria RESIGNED | Director | 30 Aug 1996 | 29 Aug 1997 | United Kingdom | March 1957 | 122 Upperthorpe, Sheffield, South Yorkshire, S6 3NF |
| MOYNAHAN, Laura Maria RESIGNED | Director | 27 Oct 1995 | 22 Mar 1996 | United Kingdom | March 1957 | 122 Upperthorpe, Sheffield, South Yorkshire, S6 3NF |
| PADLEY, John, Dr RESIGNED | Director | | 21 May 1994 | | March 1943 | The University Of Sheffield, Western Bank, Sheffield, S Yorks, S10 2TN |
| PATES, Sara RESIGNED | Director | 13 May 2016 | 15 Aug 2018 | England | August 1968 | Cooper Building, Arundel Street, Sheffield, S1 2NS, England |
| PILKINGTON, Amanda Rachel RESIGNED | Director | 06 Dec 2013 | 10 Sep 2024 | England | June 1981 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| PONS, Colin Michael RESIGNED | Director | 21 Jun 1996 | 08 Feb 2002 | England | February 1957 | 1 Main Road, Ridgeway, Sheffield, South Yorkshire, S12 3XR |
| PROCTOR, Ian RESIGNED | Director | 25 May 2007 | 23 Dec 2009 | | October 1966 | 32, Cardoness Road, Crosspool, Sheffield, South Yorkshire, S10 5RU |
| PYE, Michael John RESIGNED | Director | 15 Sep 2006 | 14 Sep 2007 | United Kingdom | September 1937 | 12 Kenbourne Road, Sheffield, South Yorkshire, S7 1NL |
| QUAIRNEY, Sheila Marion RESIGNED | Director | 24 May 2013 | 13 May 2016 | England | June 1954 | Research And Innovation Office, Sheffield Hallam University, Howard Street, Sheffield, S1 1WB, England |
| RIPPON, Timothy Lee RESIGNED | Director | 14 Sep 2007 | 08 May 2008 | United Kingdom | September 1964 | 7 Garden Street, Sheffield, South Yorkshire, S1 4BJ |
| RIPPON, Timothy Lee RESIGNED | Director | 02 Aug 2004 | 26 May 2006 | England | September 1964 | 73 Ingram Road, Sheffield, South Yorkshire, S2 2SB |
| ROCCA, Marc Raoul RESIGNED | Director | 13 May 2016 | 16 Aug 2017 | England | September 1970 | Cooper Building, Arundel Street, Sheffield, S1 2NS, England |
| SAUNDERS, Ian, Councillor RESIGNED | Director | | 20 May 1992 | England | May 1954 | 6 Wyedale Croft, Beighton, Sheffield, South Yorkshire, S20 1GW |
| SHELDRICK, Katherine Beatrice RESIGNED | Director | | 20 May 1992 | | | Flat 4 Main Street, Ulley, Sheffield, South Yorkshire, S31 0YD |
| SMITH, Graham John RESIGNED | Director | 09 Mar 1995 | 24 May 1998 | England | February 1947 | 37 Conalan Avenue, Bradway, Sheffield, South Yorkshire, S17 4PG |
| SOUTH, Phillip John RESIGNED | Director | | 01 Aug 1997 | | September 1952 | Greystones School Lane, Spofforth, Harrogate, North Yorkshire, HG3 1BA |
| STODDART, John Maurice RESIGNED | Director | | 03 May 1996 | England | September 1938 | 58 Riverdale Road, Sheffield, South Yorkshire, S10 3FB |
| TAYLOR, Richard RESIGNED | Director | 25 May 2007 | 06 Dec 2013 | England | February 1967 | 90 Ranmoor Road, Sheffield, South Yorkshire, S10 3HJ |
| TAYLOR, Richard RESIGNED | Director | 20 May 2005 | 17 Nov 2006 | England | February 1967 | 90 Ranmoor Road, Sheffield, South Yorkshire, S10 3HJ |
| TOMLINSON, Nigel Howard RESIGNED | Director | 26 Sep 2007 | 15 Feb 2010 | England | December 1959 | St Katherines Lodge 7 Rakes Lane, Loversall, Doncaster, South Yorkshire, DN11 9DA |
| TOMLINSON, Nigel Howard RESIGNED | Director | 26 Nov 1997 | 12 Nov 2004 | England | December 1959 | St Katherines Lodge 7 Rakes Lane, Loversall, Doncaster, South Yorkshire, DN11 9DA |
| WALLIS, Elizabeth Mary Orme RESIGNED | Director | 23 Feb 2017 | 12 Mar 2025 | England | July 1960 | Cooper Buildings, Arundel Street, Sheffield, South Yorkshire, S1 2NS |
| WILDE, Mark RESIGNED | Director | 24 Jun 2003 | 02 Aug 2004 | United Kingdom | May 1971 | 14 Deerlands Avenue, Sheffield, South Yorkshire, S5 7WP |
| WILSON, James Samuel RESIGNED | Director | 24 Feb 2017 | 31 May 2021 | England | October 1975 | 11 Broad Street West, Broad Street West, Sheffield, S1 2BQ, England |
| WILSON, Janet Mary RESIGNED | Director | 09 Mar 1995 | 18 Mar 1996 | | May 1944 | 37 Baron Street, Sheffield, South Yorkshire, S1 4TG |