| BENSON, Ronald ACTIVE | Director | 22 Dec 2017 | | England | May 1953 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| BERGER, Meir, Mr. ACTIVE | Director | 03 Sep 2018 | | Israel | February 1978 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| CLARK, Howard David ACTIVE | Director | 03 Mar 2015 | | England | November 1962 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| LIBBEY, Benjamin Peter ACTIVE | Director | 26 Mar 2019 | | England | January 1974 | Rigg House, Lodge Hill Close, Whitby, YO22 4LZ, England |
| MCCONNELL, Robert John ACTIVE | Director | 27 Feb 2017 | | United Kingdom | May 1968 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| MLADENOV, Tihomir Evgeniev, Mr. ACTIVE | Director | 01 Oct 2023 | | Netherlands | July 1976 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| WILLIAMS, Francis Roy ACTIVE | Director | 23 Mar 2021 | | United Kingdom | August 1950 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| EARDLEY, Philip George RESIGNED | Secretary | 05 Jan 1995 | 31 Dec 2000 | | | 76 Newmarket Road, Redcar, Cleveland, TS10 2JA |
| GIBSON, Christopher John RESIGNED | Secretary | 31 Dec 2000 | 31 Jan 2007 | | | Plumtree Cottage, Scaling Easington, Saltburn By The Sea, North Yorkshire, TS13 4TR |
| HUNT, John Terence RESIGNED | Secretary | | 26 Dec 1994 | | | Twyford House 27 Little Carter Lane, Mansfield, Nottinghamshire, NG18 3AA |
| WHARTON, Maxine Elizabeth RESIGNED | Secretary | 31 Jan 2007 | 13 Mar 2015 | | | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| BARNES, Donald Oswald RESIGNED | Director | | 25 Jan 1993 | | July 1932 | 22 Debrus Court, Saltburn, Saltburn By The Sea, Cleveland, TS12 1EH |
| BEN HAMOU, Jacob RESIGNED | Director | 03 Jan 2018 | 05 Aug 2021 | Netherlands | September 1963 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| BENSON, Ronald RESIGNED | Director | 16 Sep 2002 | 24 May 2016 | England | May 1953 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| BENSON, Ronald RESIGNED | Director | | 19 Sep 1997 | England | May 1953 | 14 Wykeham Avenue, Guisborough, Cleveland, TS14 8LE |
| BORROWDALE, Julie Anne RESIGNED | Director | 01 Dec 2010 | 08 Apr 2013 | United Kingdom | March 1959 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| BROWN, David RESIGNED | Director | 13 Sep 2016 | 31 Dec 2018 | United Kingdom | February 1955 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ, United Kingdom |
| CHILTON, Frank RESIGNED | Director | | 31 May 1995 | | February 1933 | The Alders, Grosmont, Whitby, North Yorkshire, YO22 5QL |
| CHILTON, John Edward RESIGNED | Director | 13 Sep 2016 | 30 Jun 2018 | United Kingdom | November 1966 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ, United Kingdom |
| CLARKE, Graham RESIGNED | Director | 26 May 2005 | 01 Nov 2011 | United Kingdom | October 1963 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| CORRIN, Christopher Brian RESIGNED | Director | 07 Oct 1997 | 07 Oct 1997 | United Kingdom | September 1953 | Melsetter Woodland Rise, Sevenoaks, Kent, TN15 0HY |
| DALBY, Barrington RESIGNED | Director | 25 Jan 1993 | 08 Dec 2000 | | September 1942 | 9 Marshall Drive, Brotton, Saltburn By The Sea, Cleveland, TS12 2RD |
| DEGEN, Steven Michael RESIGNED | Director | 05 Apr 2011 | 01 Sep 2016 | Netherlands | April 1967 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| DREYFUSS, Jaakov Israel RESIGNED | Director | 05 Aug 2021 | 01 Oct 2023 | Netherlands | May 1981 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| DRINKHALL, David RESIGNED | Director | 19 Sep 1997 | 16 Sep 2002 | | April 1955 | 37 Eden Road, Skelton In Cleveland, Saltburn By The Sea, Cleveland, TS12 2NB |
| EARDLEY, Philip George RESIGNED | Director | 23 Nov 1995 | 12 Dec 1997 | | August 1940 | 76 Newmarket Road, Redcar, Cleveland, TS10 2JA |
| GIBSON, Christopher John RESIGNED | Director | 25 Feb 1997 | 31 Jan 2007 | | January 1957 | Plumtree Cottage, Scaling Easington, Saltburn By The Sea, North Yorkshire, TS13 4TR |
| GILCHRIST, Ian Christopher Robertson, Dr RESIGNED | Director | 26 Mar 2004 | 30 Sep 2004 | | August 1959 | 6 Trafalgar Terrace, Redcar, Cleveland, TS10 1QQ |
| GOLDSTEIN, Noam RESIGNED | Director | 30 Apr 2002 | 30 Jun 2005 | | July 1960 | 27 Ziporen St Omer, Israel, 4052 POB |
| HART, Matthew Kevin RESIGNED | Director | 02 Jun 2015 | 03 Sep 2018 | United Kingdom | April 1977 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| HEWETT, John Carr Bell RESIGNED | Director | 01 Jan 1993 | 31 May 1999 | United Kingdom | May 1940 | The Old Vicarage, Ugthorpe, Whitby, North Yorkshire, YO21 2BQ |
| HUDSON, Malcolm RESIGNED | Director | 21 Feb 2018 | 31 Dec 2024 | England | October 1955 | 12, Linden Crescent, Great Ayton,, Middlesbrough, Cleveland, TS9 6AF, United Kingdom |
| HUNT, John Terence RESIGNED | Director | | 26 Dec 1994 | | April 1934 | Twyford House 27 Little Carter Lane, Mansfield, Nottinghamshire, NG18 3AA |
| JEWELL, James Richard RESIGNED | Director | 01 Oct 2012 | 04 May 2016 | England | February 1980 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| KENDAL, Ronald William RESIGNED | Director | | 31 Dec 1992 | | October 1933 | 2 Cleveland Drive, Marton In Cleveland, Middlesbrough, Cleveland, TS7 8AE |
| LAYBOURNE, Robert Anthony RESIGNED | Director | 05 Jan 1995 | 30 Jun 2004 | | November 1944 | The Willows Aislaby Road, Eaglescliffe, Stockton On Tees, Cleveland, TS16 0JJ |
| MAXWELL, Arthur Stephen RESIGNED | Director | | 31 Dec 1996 | | November 1936 | Hanover Cottage Prospect Hill, Whitby, North Yorkshire, YO21 1QE |
| PACE BONELLO, Alexander Francis RESIGNED | Director | 01 Jun 1999 | 23 Jul 2004 | | February 1957 | Waratah 6a High Street, Great Broughton, Middlesbrough, Cleveland, TS9 7EH |
| SIMPSON, John Paul RESIGNED | Director | 01 Sep 2004 | 27 Oct 2010 | England | February 1959 | Greenacres, Skelton Road Langthorpe, Boroughbridge, North Yorkshire, YO51 9BZ |
| SUGGETT, Paul RESIGNED | Director | 17 Oct 2000 | 26 Aug 2007 | | December 1950 | 11 Bristol Avenue, Saltburn, Cleveland, TS12 1BW |
| TAYLOR, John RESIGNED | Director | 26 Aug 2007 | 29 Mar 2012 | England | December 1939 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| TAYLOR, John RESIGNED | Director | | 10 Jul 2000 | England | December 1939 | 5 Oakdale Road, New Marske, Redcar, Cleveland, TS11 8AX |
| URBAN, Bob RESIGNED | Director | 10 Oct 2018 | 10 Aug 2020 | England | May 1968 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, United Kingdom |
| URBAN, Robert Ian RESIGNED | Director | 08 Dec 2000 | 22 Dec 2017 | England | May 1968 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| VAN SCHIE, Antonius Martinus Sylvester RESIGNED | Director | 01 Jul 2005 | 05 Apr 2011 | Netherlands | November 1947 | Ruys De Beerenbrouckstraat 29, 2613 As Delft, Netherlands |
| WENTZEL, Charles Anthony RESIGNED | Director | 12 Dec 1997 | 30 Apr 2002 | England | February 1948 | 81 Balham Park Road, London, SW12 8EB |
| WHARTON, Maxine Elizabeth RESIGNED | Director | 31 Jan 2007 | 13 Mar 2015 | England | March 1956 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |
| ZUIDERWIJK, Ronald Johannes Nicolaas RESIGNED | Director | 07 May 2013 | 03 Jan 2018 | England | April 1970 | Boulby Mine, Loftus, Saltburn-By-The-Sea, Cleveland, TS13 4UZ |