| RADSTAAK, Jan Willem ACTIVE | Secretary | 31 May 2014 | | | | C/O Molecular Products Ltd, Units 2 East Point Parkway, Harlow Business Park, Harlow, Essex, CM19 5FR, England |
| BERNERT, Christian ACTIVE | Director | 01 Feb 2020 | | Germany | October 1969 | C/O Molecular Products Ltd, Units 2 East Point Parkway, Harlow Business Park, Harlow, Essex, CM19 5FR, England |
| RADSTAAK, Jan Willem ACTIVE | Director | 01 Feb 2020 | | Netherlands | November 1968 | C/O Molecular Products Ltd, Units 2 East Point Parkway, Harlow Business Park, Harlow, Essex, CM19 5FR, England |
| BOTTING, Richard Anthony RESIGNED | Secretary | 11 Dec 2003 | 06 Jul 2005 | | | 10 Woodlands Avenue, Cheadle Hulme, SK8 5DD |
| BUTLER, Peter Hesketh RESIGNED | Secretary | | 31 May 1992 | | | 105 Peel Brow, Ramsbottom, Bury, Lancashire, BL0 0AZ |
| GREEN, Cathryn Alix RESIGNED | Secretary | 15 Oct 1999 | 15 Nov 1999 | | | Higher Scarloom House Holden, Bolton By Bowland, Clitheroe, Lancashire, BB7 4PF |
| IBBOTSON, Andrew Peter RESIGNED | Secretary | 01 Apr 1996 | 01 Jun 1998 | | | 5 Whiteacre Lane, Barrow, Clitheroe, Lancashire, BB7 9BJ |
| KENNEDY, Robert Anthony RESIGNED | Secretary | 25 Jul 2000 | 11 Dec 2003 | | | 4 Lostock Park Drive, Bolton, Lancashire, BL6 4AH |
| POWELL, Gareth David RESIGNED | Secretary | 01 Jun 1998 | 01 Apr 1999 | | | 2 Admington Drive, Hatton Park, Warwick, Warwickshire, CV35 7TZ |
| RILEY, Deborah RESIGNED | Secretary | 06 Jul 2005 | 04 Jan 2012 | | | 14 Kingsley Close, Blackburn, Lancashire, BB2 5FB |
| RILEY, Philip RESIGNED | Secretary | 15 Nov 1999 | 25 Jul 2000 | | | 12 Wensley Road, Gatley, Cheadle, Cheshire, SK8 1QH |
| SCHMITZ, Randall, Cfo RESIGNED | Secretary | 10 Jan 2012 | 31 May 2014 | | | 2021, Lewis Center, 2021 S Lewis Avenue Suite 570, Tulsa, Oklahoma, 74104, Usa |
| STEELE, Michael Anthony RESIGNED | Secretary | 01 Apr 1999 | 15 Oct 1999 | | | 28, Mill Lane, Up Holland, Wigan, Lancashire, WN8 0HJ |
| WARING, Robert RESIGNED | Secretary | 01 Jun 1992 | 29 Mar 1996 | | | 81 Edge End Lane, Great Harwood, Blackburn, Lancashire, BB6 7QD |
| ASHWORTH, Alan Geoffrey, Mr. RESIGNED | Director | | 31 May 1992 | England | August 1944 | 5 Alderwood Grove, Edenfield Ramsbottom, Bury, Lancashire, BL0 0HQ |
| BUTLER, Peter Hesketh RESIGNED | Director | | 31 May 1992 | | February 1939 | 105 Peel Brow, Ramsbottom, Bury, Lancashire, BL0 0AZ |
| FAULKNER, Geoffrey Charles RESIGNED | Director | 01 Jun 1992 | 07 Jul 1997 | | November 1941 | Barcroft House, Tonacliffe Road, Whitworth, Rochdale, Lancashire, OL12 8SS |
| FLOWER, David George RESIGNED | Director | 07 Jul 1997 | 31 Mar 1999 | | September 1938 | 7 Dennison Road, Cheadle Hulme, Cheadle, Cheshire, SK8 6LW |
| FLOWER, David George RESIGNED | Director | 01 Nov 1992 | 02 Dec 1994 | | September 1938 | 7 Dennison Road, Cheadle Hulme, Cheadle, Cheshire, SK8 6LW |
| GIBSON, Joseph Davidson RESIGNED | Director | 07 Jul 1997 | 31 Dec 1998 | | October 1953 | 2c Hardcastle Gardens, Bradshaw Hall, Bolton, Lancashire, BL2 4NZ |
| HARRISON, John RESIGNED | Director | | 31 May 1992 | | November 1932 | 61 Oulder Hill Drive, Bamford, Rochdale, Lancashire, OL11 5LB |
| HEATH, Clive Anthony RESIGNED | Director | 07 Jul 1997 | 15 Nov 1999 | | December 1946 | Greatwood, Offley Brook, Eccleshall, Staffordshire, ST21 6HA |
| HOWARTH, Alan Raymond RESIGNED | Director | 06 Jul 2005 | 15 Feb 2008 | | October 1961 | 2 Springfield Court, Higher Kinnerton, Chester, Flintshire, CH4 9BY, Wales |
| IBBOTSON, Andrew Peter RESIGNED | Director | 01 Apr 1996 | 01 Jun 1998 | | June 1961 | 5 Whiteacre Lane, Barrow, Clitheroe, Lancashire, BB7 9BJ |
| JAMES, Peter Stoyle RESIGNED | Director | 01 Jun 1992 | 31 Mar 1997 | England | December 1936 | 7 Vicarage Close, Station Road Wrea Green, Preston, Lancashire, PR4 2PQ |
| JORDAN, Michael John RESIGNED | Director | 26 Mar 2007 | 01 Feb 2020 | Gb-Sct | April 1964 | The Mansion Tower, Houston Road, Bishopton, Renfrewshire, PA7 5NX |
| JUNG, Dieter RESIGNED | Director | 04 Dec 2001 | 11 Dec 2003 | | November 1940 | Am Feldbrand 15, D 40667 Meerbusch, Germany |
| KENNEDY, Robert Anthony RESIGNED | Director | 11 Dec 2003 | 18 Aug 2006 | Scotland | May 1970 | 1 Abbotts Court, Dullatur, Glasgow, G68 0AP |
| KNIPPING, Bernhard RESIGNED | Director | 04 Dec 2001 | 11 Dec 2003 | | September 1954 | Gietherstr. 114, 47877, Willich, Germany |
| LAMB, Edward RESIGNED | Director | | 31 May 1992 | | May 1937 | 2 Cedar Crescent, Ramsbottom, Bury, Lancashire, BL0 9DA |
| MOORE, Eric Talbot RESIGNED | Director | | 31 May 1992 | | May 1940 | 4 Northwood, Harwood, Bolton, Lancashire, BL2 3LL |
| POWELL, Gareth David RESIGNED | Director | 01 Jun 1998 | 15 Nov 1999 | England | December 1965 | 2 Admington Drive, Hatton Park, Warwick, Warwickshire, CV35 7TZ |
| REBMANN, Joachim Walter RESIGNED | Director | 01 Oct 1992 | 02 Mar 1994 | | July 1942 | Kaisertor Str 7, 3380 Goslar, Germany |
| RILEY, Deborah RESIGNED | Director | 15 Feb 2008 | 04 Jan 2012 | England | November 1969 | 14 Kingsley Close, Blackburn, Lancashire, BB2 5FB |
| SCHMITZ, Randall RESIGNED | Director | 31 May 2014 | 23 Sep 2019 | United States | August 1959 | Suite 1, Festival Way, Festival Park, Stoke On Trent, Staffordshire, ST1 5SQ, England |
| SCOTT, Brian, Doctor RESIGNED | Director | 15 Nov 1991 | 01 Dec 1995 | | August 1946 | The Well House, Giggleswick, North Yorkshire, BS24 0AP |
| STEELE, Michael Anthony RESIGNED | Director | 01 Apr 1999 | 15 Oct 1999 | England | July 1955 | 28, Mill Lane, Up Holland, Wigan, Lancashire, WN8 0HJ |
| STEPHENSON, John Richard RESIGNED | Director | 15 Nov 1999 | 04 Dec 2001 | United Kingdom | September 1954 | Primrose House, Primrose Road, Clitheroe, Lancashire, BB7 1DR |
| TULEY, Harry RESIGNED | Director | | 31 May 1992 | England | December 1933 | The Stables Read Hall Court, Off Hammond Drive Read, Burnley, Lancashire, BB12 7RU |
| VON DREHLE, Richard RESIGNED | Director | 01 Oct 2009 | 11 Apr 2014 | Usa | August 1953 | 5906, South Atlanta Place, Tulsa, Oklahoma, 74105-7506, Usa |
| WARING, Robert RESIGNED | Director | 01 Jun 1992 | 29 Mar 1996 | | January 1949 | 81 Edge End Lane, Great Harwood, Blackburn, Lancashire, BB6 7QD |
| WAUDBY, Colin RESIGNED | Director | 15 Nov 1999 | 26 Mar 2007 | | December 1950 | 52 Stockiemuir Avenue, Bearsden, Glasgow, Lanarkshire, G61 3LX |
| WELLENS, Stewart RESIGNED | Director | 10 Apr 1995 | 18 Nov 1996 | | November 1949 | 41 Rowsley Road, Lytham St Annes, Lancashire, FY8 2NT |
| WOOD, Richard Ian RESIGNED | Director | 15 Nov 1999 | 28 May 2007 | England | May 1961 | Boldre Mead, Southampton Road, Boldre, Hampshire, SO41 8ND |