| REEVE, Isabel Angelica ACTIVE | Secretary | 19 Feb 2025 | | | | 128, High Street, Great Broughton, Middlesbrough, TS9 7HA, England |
| BRADLEY, Thomas Bowman ACTIVE | Director | 11 Jan 2016 | | United Kingdom | June 1947 | 28, The Poplars, Wolviston, Billingham, Cleveland, TS22 5LY, England |
| HESLOP, Christopher Nigel ACTIVE | Director | 09 Mar 2015 | | England | March 1955 | 495, West Dyke Road, Redcar, TS10 4QL, England |
| HOWARD, Colin Raymond ACTIVE | Director | 19 Sep 2011 | | England | May 1945 | 87, The Paddock, Stokesley, Middlesbrough, TS9 5PN, England |
| MCGINNIS, Joseph, Dr ACTIVE | Director | 04 Mar 2013 | | England | July 1958 | 10, Harbottle Close, Ingleby Barwick, Stockton-On-Tees, TS17 0GH, England |
| NORTHEY, Adrian Paul ACTIVE | Director | 07 Jan 2013 | | England | January 1965 | 33, Newton Road, Great Ayton, Middlesbrough, TS9 6DT, England |
| PALLANT, Stephen ACTIVE | Director | 15 Jul 2024 | | England | July 1965 | 22, Boar Lane, Ingleby Barwick, Stockton-On-Tees, TS17 0RX, England |
| TICKNER, Alan Charles ACTIVE | Director | | | United Kingdom | June 1952 | 16, The Grove, Guisborough, TS14 8BG |
| RODGER, Alan Hunter RESIGNED | Secretary | | 07 Nov 2016 | | | 6, Kirkdale, Guisborough, Cleveland, TS14 8EX |
| SUTHERS, William RESIGNED | Secretary | 07 Nov 2016 | 02 Jun 2025 | | | Orchard House, Newton Under Roseberry, Middlesbrough, TS9 6QR, England |
| ATKINSON, Donald RESIGNED | Director | 16 Sep 2013 | 26 Jun 2023 | England | July 1960 | 9, Mulgrave Road, Middlesbrough, Cleveland, TS5 6PU, England |
| ATKINSON, Thomas Andrew RESIGNED | Director | 13 Jun 1992 | 11 May 1993 | | July 1956 | West Pastures Farm, Claxton, Billingham, Cleveland, TS22 5PN |
| AUSTIN, Leonard Pearce RESIGNED | Director | | 27 Oct 2003 | | March 1930 | 7 Hillside, Ingleby Arncliffe, Northallerton, North Yorkshire, DL6 3LV |
| BARRATT, James Reekie RESIGNED | Director | | 28 Oct 2004 | | September 1925 | 4 Skottowe Crescent, Great Ayton, Middlesbrough, Cleveland, TS9 6DS |
| BATE, David John RESIGNED | Director | 16 May 2008 | 25 Oct 2010 | | May 1943 | 9 The Pines, Yarm, Cleveland, TS15 9EW |
| BATTY, Frederick Allen RESIGNED | Director | | 28 Oct 2004 | | April 1915 | 12 Friarswood Close, Yarm, Stockton On Tees, Cleveland, TS15 9JG |
| BELL, Keith Anthony RESIGNED | Director | 18 Nov 2004 | 01 Dec 2022 | England | March 1954 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| BOYD, John RESIGNED | Director | 27 Oct 1997 | 15 Dec 2017 | United Kingdom | August 1937 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| BRABBS, Alexandra Claire, Dr RESIGNED | Director | 13 May 2013 | 07 Oct 2025 | England | September 1972 | 76, Portland Place, London, W1B 1NT, England |
| BRETT, Francis Vincent RESIGNED | Director | | 16 Nov 2006 | | May 1935 | 10 Burnside Grove, Hartburn, Stockton On Tees, Cleveland, TS18 4ET |
| BROOKS, Douglas William RESIGNED | Director | | 21 May 2012 | | June 1923 | 19 Glendale, Guisborough, Cleveland, TS14 8JF |
| BROWN, Merrik Boswell RESIGNED | Director | | 28 Oct 2004 | | August 1932 | 23 Stokesley Road, Nunthorpe, Middlesbrough, Cleveland, TS7 0NB |
| BUCKLEY, Peter Mellor RESIGNED | Director | 13 Dec 2010 | 14 Jun 2022 | England | August 1932 | 1, Penny Lane, Ripon, North Yorkshire, HG4 1HG, England |
| BUTTERFIELD, Jacqueline Gail RESIGNED | Director | 26 Mar 1999 | 30 Nov 2000 | | February 1970 | 39 Longbeck Lane, New Marske, Redcar, Cleveland, TS11 8DF |
| CAMPBELL, Joseph Wilson RESIGNED | Director | 27 Oct 1997 | 27 Oct 2003 | United Kingdom | March 1937 | 5 Broad Close, Stainton, Middlesbrough, Cleveland, TS8 9BW |
| CLARK, Albert Victor George RESIGNED | Director | 25 Oct 1993 | 27 Oct 1997 | | January 1942 | 51 Wallington Road, High Grange, Billingham, Cleveland, TS23 3UR |
| CLIFTON, Robert RESIGNED | Director | 25 Oct 1993 | 30 Jun 1998 | | August 1942 | 1 Shearwater Lane, Norton, Stockton On Tees, Cleveland, TS20 1SH |
| CROZIER, Colin William RESIGNED | Director | | 27 Oct 1997 | | September 1952 | 78 St James Drive, Northallerton, North Yorkshire, YO7 8YW |
| CRUDGINGTON, Kenneth George RESIGNED | Director | 31 Oct 2011 | 05 Nov 2012 | Uk | April 1947 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| DAVIES, Robin John RESIGNED | Director | 25 Oct 1993 | 30 Jun 1999 | | May 1953 | 1 Gypsy Lane, Marton In Cleveland, Middlesbrough, Cleveland, TS7 8NF |
| DAVIES, Thomas RESIGNED | Director | 18 Dec 1995 | 21 Oct 2002 | | February 1928 | 9 Friarswood Close, Yarm, Cleveland, TS15 9JG |
| DAWOOD, Nash, Prof RESIGNED | Director | 30 Sep 2019 | 20 May 2026 | England | October 1960 | Teesside University, Borough Road, Middlesbrough, TS1 3BA, England |
| EGERTON, Terence Arthur, Dr RESIGNED | Director | | 31 Dec 1993 | | June 1944 | 1 Dunedin Avenue, Hartburn, Stockton-On-Tees, Cleveland, TS18 5JD |
| ELLIOTT, Leila RESIGNED | Director | 07 Jan 2013 | 01 Dec 2022 | England | May 1942 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| EPPS, Robert Martin RESIGNED | Director | | 27 Oct 1997 | | October 1934 | 7 Kent Close, Nunthorpe, Middlesbrough, Cleveland, TS7 0BT |
| EVANS, Thomas Russell RESIGNED | Director | 08 Dec 2005 | 03 Dec 2018 | England | January 1936 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| FINDLAY, Alan RESIGNED | Director | 09 Mar 2009 | 19 Sep 2011 | | December 1947 | 92, Woodlea, Coulby Newham, Middlesbrough, Cleveland, TS8 0TX |
| FITZGERALD, Frank, Dr RESIGNED | Director | 25 Oct 1993 | 30 Jun 1999 | | November 1929 | 21 Cartmel Road, Redcar, Cleveland, TS10 4JT |
| FLETCHER, Geoffrey RESIGNED | Director | | 01 Dec 2022 | England | September 1941 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| FLETCHER, Peter RESIGNED | Director | | 22 May 2006 | | April 1936 | 4 Bentinck Road, Fairfield, Stockton-On-Tees, Cleveland, TS19 7PU |
| FOSTER, Harry Edward RESIGNED | Director | | 13 Apr 1992 | | December 1919 | 12 Blue Bell Grove, Acklam, Middlesbrough, Cleveland, TS5 7HG |
| FOWLER, Richard Leslie RESIGNED | Director | 27 Oct 1997 | 30 Jun 1999 | | July 1945 | 4 Rowan Avenue, Guisborough, Cleveland, TS14 8DR |
| FRANKS, Jeffrey, Dr RESIGNED | Director | 08 Mar 2010 | 07 Jan 2013 | United Kingdom | February 1956 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| GENDLE, James William RESIGNED | Director | | 31 Dec 1992 | | August 1921 | 9 Stokesley Road, Nunthorpe, Middlesbrough, Cleveland, TS7 0NB |
| GIFFORD, John Dudley RESIGNED | Director | | 03 Oct 1999 | | April 1938 | 23 Linden Crescent, Hutton Rudby, Yarm, North Yorkshire, TS15 0HU |
| GREATHEAD, Laurence Ranson RESIGNED | Director | | 30 Jun 1999 | | March 1923 | 23 Reeth Road, Linthorpe, Middlesbrough, Cleveland, TS5 5JN |
| HARRINGTON, Keith Edwin RESIGNED | Director | | 23 Jul 1992 | England | March 1945 | Port Knowle Cottage, Aislaby Eaglescliffe, Stockton-On-Tees, Cleveland, TS16 0QR |
| HARRISON, Norman RESIGNED | Director | 16 Nov 2015 | 01 Sep 2018 | United Kingdom | January 1945 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| HAWORTH, David James RESIGNED | Director | 02 Jul 2009 | 04 Mar 2013 | England | May 1946 | 11 Birch Close, Kirklevington, Yarm, Cleveland, TS15 9NH |
| HAWORTH, David James RESIGNED | Director | 02 Nov 1998 | 08 Dec 2005 | England | May 1946 | 11 Birch Close, Kirklevington, Yarm, Cleveland, TS15 9NH |
| HEY, Roland James RESIGNED | Director | | 27 Oct 1997 | | January 1922 | 7 Byemoor Close, Great Ayton, Middlesbrough, Cleveland, TS9 6LY |
| HEYWOOD, Donald Garton RESIGNED | Director | | 03 Feb 2015 | United Kingdom | July 1924 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| HISCOX, John Bryan RESIGNED | Director | 27 Oct 1997 | 27 Oct 2003 | | November 1936 | 2 Manor Grove, Great Broughton, Stokesley, North Yorkshire, TS9 7EJ |
| HOBBS, Brian, Proffessor RESIGNED | Director | 18 Nov 2004 | 05 Mar 2007 | | October 1946 | Briar Hill House, Danby, Whitby, North Yorkshire, YO21 2LZ |
| HODGSON, Mark Russell, Dr RESIGNED | Director | 31 Oct 2005 | 01 Sep 2018 | England | April 1966 | 2 Glendue Close, Nunthorpe, Middlesbrough, Cleveland, TS7 0QN |
| HODGSON, Simon Nicholas, Professor RESIGNED | Director | 12 Dec 2007 | 20 May 2016 | England | March 1963 | 9, Northfield Drive, Stokesley, Middlesbrough, N Yorkshire, TS9 5PF |
| HOME, Kenneth, Dr RESIGNED | Director | 01 Sep 2014 | 15 Dec 2017 | England | November 1930 | Firbeck House, Easby Lane, Great Ayton, Middlesbrough, Cleveland, TS9 6JT, England |
| HOPKINS, John Leyshon RESIGNED | Director | | 20 Feb 2006 | | July 1922 | 4 The Crescent, Linthorpe, Middlesbrough, Cleveland, TS5 6SE |
| JACKSON, James Winship RESIGNED | Director | | 13 Nov 2008 | | June 1914 | Manesty Middlesbrough Road, Guisborough, Cleveland, TS14 8HY |
| JARVIS, Maurice RESIGNED | Director | | 20 Sep 1993 | | April 1931 | 60 Sandmoor Road, New Marske, Redcar, Cleveland, TS11 8DJ |
| JONES, Geoffrey Christopher RESIGNED | Director | 18 Nov 2004 | 15 Jan 2020 | England | November 1946 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| JUDLE, Edward Thomas RESIGNED | Director | | 30 Nov 1992 | | November 1908 | 4 Delamires Avenue, Willaston, South Wirral, Cheshire, LE4 1VB |
| KELLERMAN, Sarah Jane RESIGNED | Director | 13 Jul 2015 | 20 May 2026 | England | February 1965 | 17, Morton Carr Lane, Nunthorpe, Middlesbrough, Cleveland, TS7 0JU, England |
| KIRK, Anthony RESIGNED | Director | 07 Mar 2011 | 20 May 2026 | United Kingdom | February 1959 | 1, Levisham Close, Middlesbrough, TS5 7LT, England |
| LEWIS, Mark Allison RESIGNED | Director | 10 Oct 2016 | 20 May 2026 | England | November 1951 | The Range, Stokesley Road, Hutton Rudby, Yarm, TS15 0JJ, England |
| LUDLOW, Vincent RESIGNED | Director | 16 Nov 2015 | 01 Dec 2022 | United Kingdom | December 1949 | 18, Cattistock Close, Guisborough, Cleveland, TS14 7NL, England |
| LUXMOORE, Robin John RESIGNED | Director | 13 May 2013 | 18 Nov 2015 | England | October 1946 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| MCCULLAGH, John Michael RESIGNED | Director | 20 Jun 2001 | 07 Mar 2016 | England | October 1963 | Blackberry Farm, Great Smeaton, Northallerton, DL6 2HN |
| MCDONALD, Christopher RESIGNED | Director | 01 Jul 2013 | 11 May 2016 | England | September 1976 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| MCDOUGALL, John Donovan RESIGNED | Director | 01 Dec 2002 | 28 Mar 2016 | England | June 1949 | Drogheda, Middleton On Leven, Yarm, Cleveland, TS15 0JU |
| MCGLYNN, Austin Teague RESIGNED | Director | 12 Sep 2016 | 26 Jun 2023 | United Kingdom | March 1971 | 29, Heathfield Park, Middleton St. George, Darlington, DL2 1LN, England |
| MILLS, Derek Arthur RESIGNED | Director | | 26 Jun 2023 | England | December 1934 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| NOON, John RESIGNED | Director | 01 Sep 2018 | 26 Jun 2023 | England | July 1947 | 7, Castle Wynd, Nunthorpe, Middlesbrough, TS7 0QB, England |
| NORTH, Robert Michael RESIGNED | Director | 09 Mar 2009 | 01 Dec 2022 | United Kingdom | January 1963 | 71, Wheatlands Park, Redcar, Cleveland, TS10 2PF, England |
| PARKER, Susan Margaret RESIGNED | Director | 26 Nov 2008 | 20 May 2026 | England | November 1952 | Balgownie, Manor Drive, Hilton, Yarm, Cleveland, TS15 9LE, United Kingdom |
| PEARCE, Thomas Richard RESIGNED | Director | 31 Oct 1994 | 30 Nov 2000 | | February 1920 | 21 The Avenue, Nunthorpe, Middlesbrough, Cleveland, TS7 0AA |
| PEARCE, Thomas Richard RESIGNED | Director | | 23 Jul 1992 | | February 1920 | 21 The Avenue, Nunthorpe, Middlesbrough, Cleveland, TS7 0AA |
| RACE, Arthur Waller RESIGNED | Director | | 01 Jul 1998 | | April 1920 | 3 Whitehouse Road, Billingham, Cleveland, TS22 5ER |
| RAMAGE, Daniel Christie RESIGNED | Director | | 22 Nov 2001 | | February 1927 | The Hawthorns Bassleton Lane, Thornaby-On-Tees, Stockton-On-Tees, Cleveland, TS17 0AF |
| REEVE, Isabel Angelica RESIGNED | Director | 19 Feb 2025 | 02 Jun 2025 | England | May 1983 | 128, High Street, Great Broughton, Middlesbrough, TS9 7HA, England |
| ROBINSON, Frank RESIGNED | Director | | 01 Jul 1993 | | July 1927 | 6 Hunters Green, Middleton St George, Darlington, County Durham, DL2 1DZ |
| RODGER, Alan Hunter RESIGNED | Director | 17 Dec 2001 | 07 Nov 2016 | England | November 1942 | 6, Kirkdale, Guisborough, Cleveland, TS14 8EX |
| ROUT, Joanne RESIGNED | Director | 23 Sep 2019 | 20 May 2026 | England | January 1961 | 4, Embleton Grove, Wynyard, Billingham, TS22 5SY, England |
| SHARP, John RESIGNED | Director | 17 Sep 2012 | 13 Jan 2022 | United Kingdom | February 1947 | 85, Wimpole Road, Fairfield Park, Stockton-On-Tees, Cleveland, TS19 7LR, United Kingdom |
| SHELTON, Paul William, Dr RESIGNED | Director | 22 Oct 2008 | 26 Jun 2023 | England | July 1953 | 3, The Waltons Little Ayton Lane, Great Ayton, Middlesbrough, N Yorkshire, TS9 6AX |
| SKINNER, Janet RESIGNED | Director | 20 Dec 2010 | 07 Jan 2013 | England | October 1961 | 94, Mornant Avenue, Northwich, Cheshire, CW8 2FQ, England |
| SKIRVING, Norman RESIGNED | Director | | 30 Jun 1998 | | July 1949 | 15 Elcoat Road, Stockton On Tees, Cleveland, TS20 1JE |
| SLATER, Stanley RESIGNED | Director | 23 Mar 1998 | 01 Jan 2002 | Uk | July 1932 | 27 Oulston Road, Stockton On Tees, Cleveland, TS18 4HU |
| SUTHERS, William RESIGNED | Director | 07 Nov 2016 | 02 Jun 2025 | United Kingdom | August 1954 | Orchard House, Newton Under Roseberry, Middlesbrough, TS9 6QR, England |
| TAYLOR, Harry Charles RESIGNED | Director | | 27 Oct 1997 | | January 1916 | 57 The Mall, Faversham, Kent, ME13 8JW |
| TAYLOR, Scott Alexander RESIGNED | Director | 01 Jun 2009 | 01 Dec 2022 | England | October 1971 | New Garth House, Upper Garth Gardens, Guisborough, TS14 6HA |
| TAYLOR-WHITTICKS, Jayne Elizabeth RESIGNED | Director | 12 Dec 2007 | 10 Jul 2013 | England | October 1969 | 6, Main Street, Garton On The Wolds, East Yorks, YO25 3ET |
| THOMPSON, Jennifer Anne, Dr RESIGNED | Director | 14 Jan 2018 | 27 Nov 2018 | England | November 1961 | 28, Geoffrey Avenue, Durham, DH1 4PF, England |
| THORNTON, Gillian RESIGNED | Director | 26 Nov 2008 | 07 Mar 2011 | | September 1963 | The Gables, Bagby, Thirsk, N Yorkshire, YO7 2PH |
| TOWERS, Trevor Arthur, Doctor RESIGNED | Director | 25 Oct 1993 | 01 Oct 1998 | | October 1934 | 23 Coast Road, Marske, Cleveland, TS11 6JU |
| WALDOCK, Angela Elaine RESIGNED | Director | 13 Jul 2015 | 15 Dec 2017 | England | October 1960 | Stephenson Building, Borough Road, Middlesbrough, Cleveland, TS1 3BA, England |
| WHITTAKER, Roy, Dr RESIGNED | Director | | 28 Oct 2004 | | August 1930 | Brackenburn Ingleby Greenhow, Stokesley, Middlesbrough, Cleveland, TS9 6LL |
| WILES, Terence Wilson RESIGNED | Director | | 30 Nov 2000 | | April 1939 | Levenside House Levenside Stokesley, Middlesbrough, Cleveland, TS9 5AQ |
| WILKINSON, Colin Michael RESIGNED | Director | 27 Oct 2003 | 12 Dec 2007 | United Kingdom | July 1975 | 3 Thornborough Close, Hartburn, Stockton On Tees, Cleveland, TS18 5PA |
| WILSON, Thomas William RESIGNED | Director | | 28 Oct 2004 | | April 1930 | 3 Morton Carr Lane, Nunthorpe, Middlesbrough, Cleveland, TS7 0JU |