| SINGH, Indar Sukdeo ACTIVE | Secretary | 28 Apr 2003 | | | | Citygate, 8 St.Mary's Gate, Sheffield, S1 4LW |
| ROZEK, William J ACTIVE | Director | 15 Apr 2025 | | United States | November 1958 | Citygate, 8 St.Mary's Gate, Sheffield, S1 4LW |
| SINGH, Indar Sukdeo ACTIVE | Director | 16 Dec 2003 | | England | June 1970 | Citygate, 8 St.Mary's Gate, Sheffield, S1 4LW |
| VAN LUBEEK, Hendrikus Leonardus Maria ACTIVE | Director | 01 Jan 2011 | | Netherlands | February 1962 | Citygate, 8 St.Mary's Gate, Sheffield, S1 4LW, England |
| ALGER, Andrea Elizabeth RESIGNED | Secretary | 05 Apr 2002 | 07 Apr 2003 | | | Mews Cottage, Brook Lane, Thornton Le Dale, North Yorkshire, YO18 7RZ |
| BIGGIN, Charles Arnold John RESIGNED | Secretary | 28 May 1993 | 05 Apr 2002 | | | 7 Ranmoor Crescent, Sheffield, S10 3GU |
| FRETWELL DOWNING, Francis Anthony, Dr RESIGNED | Secretary | | 28 May 1993 | | | 15 School Green Lane, Sheffield, South Yorkshire, S10 4GP |
| ALGER, Andrea Elizabeth RESIGNED | Director | 05 Apr 2002 | 07 Apr 2003 | | November 1952 | Mews Cottage, Brook Lane, Thornton Le Dale, North Yorkshire, YO18 7RZ |
| BIGGIN, Charles Arnold John RESIGNED | Director | 28 May 1993 | 05 Apr 2002 | England | August 1938 | 7 Ranmoor Crescent, Sheffield, S10 3GU |
| FRETWELL DOWNING, Francis Anthony, Dr RESIGNED | Director | | 02 Nov 2005 | United Kingdom | July 1940 | 15 School Green Lane, Sheffield, South Yorkshire, S10 4GP |
| FRETWELL-DOWNING, Edward Alastair RESIGNED | Director | | 28 May 1993 | | August 1942 | 14 Tapton Park Road, Sheffield, South Yorkshire, S10 3FG |
| GOLDNER, Matthew Ross RESIGNED | Director | 12 Apr 2001 | 31 Aug 2004 | | June 1952 | 1514 Robin Hill Drive, Norcross, Georgia 30093, FOREIGN, U S A |
| HARVEY, Paul William RESIGNED | Director | 03 Nov 2000 | 19 Nov 2014 | England | March 1968 | 226 Carter Knowle Road, Sheffield, South Yorkshire, S7 2EB |
| KAY, David Robert RESIGNED | Director | 30 Jun 1995 | 05 Apr 2002 | England | March 1954 | Branksome Mellor Lane, Chapel En Le Frith, High Peak, Derbyshire, SK23 9SA |
| MCGEE, Keith Michael RESIGNED | Director | 21 Jan 2002 | 25 Apr 2003 | | July 1950 | Faure House, 4a Slayleigh Lane, Sheffield, South Yorkshire, S10 3RF |
| MURRAY, Robin Andrew RESIGNED | Director | 30 Jun 1995 | 23 May 2014 | England | July 1963 | 35 Meadowfield, Whaley Bridge, High Peak, SK23 7AX |
| PLUMB, Richard RESIGNED | Director | 28 May 1993 | 31 Mar 1998 | | December 1949 | Oakes Wood House, Tedgness Road, Grindleford, Derbyshire, S30 1HX |
| STRICKER, Rob RESIGNED | Director | 02 Nov 2005 | 30 Jun 2013 | Netherlands | October 1947 | Aalscholver 5, Langedijk, 1721 Dt, Netherlands |
| VAN CHARLDORP, Reinhardt RESIGNED | Director | 02 Nov 2005 | 31 Dec 2010 | Netherlands | August 1952 | Hoofdstraat 154-4, Sassenheim, 2171 Bl, The Netherlands |