| COOK, William James ACTIVE | Director | 02 Jun 2026 | | United Kingdom | November 1988 | Bondisle Way, Stanhope, Bishop Auckland, DL13 2YR, England |
| HIGHTOWER III, Clarence Valree ACTIVE | Director | 02 Jun 2026 | | United States | October 1965 | 12827, Imperial Hwy, Santa Fe Springs, Ca, 90670, United States |
| MACAU, Carlos Leandro ACTIVE | Director | 02 Jun 2026 | | United States | March 1967 | 3000, Taft Street, Hollywood, Fl, 33021, United States |
| CALDWELL, John Christopher RESIGNED | Secretary | 31 Aug 1995 | 31 Dec 2001 | | | 282 Ecclesall Road South, Sheffield, South Yorkshire, S11 9PS |
| CARRICK, Neil Richard RESIGNED | Secretary | 23 Dec 1994 | 31 Aug 1995 | | | 46 Highfields, Beverley Road, South Cave, North Humberside, HU15 2AJ |
| GORDON, Pauline Ruth RESIGNED | Secretary | 08 Oct 1996 | 01 Nov 2011 | | | Bond Isle Works, Station Road, Stanhope, Bishop Auckland, County Durham, DL13 2YR, United Kingdom |
| HODGSON, Michael Keith RESIGNED | Secretary | 01 Nov 2011 | 26 Jul 2024 | | | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| KITE, Philip John RESIGNED | Secretary | | 08 Oct 1996 | | | 79 Newlands Avenue, Melton Park Gosforth, Newcastle Upon Tyne, NE3 5PY |
| MOORE, Peter John RESIGNED | Secretary | 31 Dec 2001 | 04 Apr 2003 | | | Flat 3 Osborne Court, 154 Osborne Road, Sheffield, S11 9BB |
| ROSS, Philip John RESIGNED | Secretary | 26 Jul 2024 | 02 Jun 2026 | | | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL |
| ALEXANDER, Simon John RESIGNED | Director | 01 Jul 2015 | 01 Nov 2016 | England | August 1968 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL |
| BEDNAREK, Andrew RESIGNED | Director | 21 Sep 2006 | 30 Jun 2008 | | September 1954 | 4 Slayley View, Clowne, Chesterfield, Derbyshire, S43 4RL |
| CARRICK, Neil Richard RESIGNED | Director | 23 Dec 1994 | 31 Aug 1995 | | November 1961 | 46 Highfields, Beverley Road, South Cave, North Humberside, HU15 2AJ |
| COOK, Andrew John, Sir RESIGNED | Director | 01 Nov 2011 | 03 Apr 2017 | England | October 1949 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| COOK, Andrew John, Sir RESIGNED | Director | 29 Jul 2004 | 21 Sep 2006 | England | October 1949 | Reduit, Le Variouf Forest, Guernsey, Channel Islands, GY8 0BH |
| COOK, Andrew John RESIGNED | Director | 27 Mar 1994 | 08 Oct 1996 | United Kingdom | October 1949 | The Manor House, Froggatt Edge, Hope Valley, Derbyshire, S32 3ZB |
| COOK, William James RESIGNED | Director | 01 Nov 2016 | 24 Oct 2017 | England | November 1988 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL |
| DOWSON, Stephen John RESIGNED | Director | 21 Sep 2006 | 10 Nov 2011 | United Kingdom | November 1960 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| DOWSON, Stephen John RESIGNED | Director | 15 Jan 1998 | 05 Aug 2004 | United Kingdom | November 1960 | 20 Oakdene Avenue, Hartburn, Stockton On Tees, Cleveland, TS18 4EQ |
| GORDON, Pauline Ruth RESIGNED | Director | 21 Sep 2006 | 18 Jan 2012 | United Kingdom | September 1965 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| GRAYLEY, Kevin John RESIGNED | Director | 01 Nov 2011 | 01 Jul 2015 | England | October 1950 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| HODGSON, Michael Keith RESIGNED | Director | 28 Mar 2018 | 24 Apr 2024 | England | March 1957 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL |
| HOPE, Pauline Ruth RESIGNED | Director | 08 Oct 1996 | 05 Aug 2004 | | September 1965 | 21 Trinity Gardens, Willington, County Durham, DL15 0UU |
| HUTCHINSON, Michael James RESIGNED | Director | 21 Sep 2006 | 10 Nov 2011 | United Kingdom | May 1968 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| JEFFRIES, Ray RESIGNED | Director | 06 Jan 2009 | 05 Feb 2011 | England | July 1962 | Bond Isle Works, Station Road, Stanhope, Bishop Auckland, County Durham, DL13 2YR, United Kingdom |
| KITE, Philip John RESIGNED | Director | 29 Jul 2004 | 01 Nov 2011 | United Kingdom | January 1961 | Bond Isle Works, Station Road, Stanhope, Bishop Auckland, County Durham, DL13 2YR, United Kingdom |
| MUSGROVE, Kevin RESIGNED | Director | | 23 Dec 1994 | United Kingdom | March 1949 | 2 Walker Close, Grenoside, Sheffield, S35 8SA |
| NEASHAM, Gary RESIGNED | Director | 24 Oct 2008 | 10 Nov 2011 | United Kingdom | April 1959 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL, England |
| ROSS, Philip John RESIGNED | Director | 24 Apr 2024 | 02 Jun 2026 | England | October 1976 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL |
| SEYMOUR, Christopher David RESIGNED | Director | 01 Nov 2016 | 02 Jun 2026 | England | May 1973 | C/O William Cook Holdings Limited, Parkway Avenue, Sheffield, S9 4UL |
| SMITH, Paul Anthony RESIGNED | Director | 08 Oct 1996 | 25 Jun 1997 | | February 1960 | 25 Hawthorn Drive, Barnard Castle, County Durham, DL12 8AY |
| TEESDALE, William Moore RESIGNED | Director | 17 Jul 2008 | 25 Aug 2011 | United Kingdom | July 1942 | Bond Isle Works, Station Road, Stanhope, Bishop Auckland, County Durham, DL13 2YR, United Kingdom |