| KELLY, Susan Kathleen ACTIVE | Secretary | 01 Aug 2008 | | | | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BLAND, Julian Michael ACTIVE | Director | 01 Sep 2026 | | England | April 1967 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| COSSINS, Christopher James ACTIVE | Director | 23 Nov 2023 | | England | November 1966 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| KELLY, Susan Kathleen ACTIVE | Director | 01 Nov 2024 | | England | July 1966 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BEECROFT, Barry Ian RESIGNED | Secretary | 06 Dec 2001 | 31 Jul 2008 | | | The Linde Group The Priestley Centre, 10 Priestley Rd, The Surrey Research Park, Guildford, Surrey, GU2 7XY |
| CHARLESWORTH, Paul Lane RESIGNED | Secretary | | 06 Dec 2001 | | | 70 Shenfield Road, Shenfield, Brentwood, Essex, CM15 8EW |
| AIKEN, Philip Stanley RESIGNED | Director | 22 Feb 1994 | 14 Feb 1995 | | January 1949 | The Crest House, East Road St Georges Hill, Weybridge, Surrey, KT13 0LF |
| ARREDONDO, Fabiola Raquel RESIGNED | Director | 12 May 2003 | 28 Feb 2004 | | December 1966 | 6 Robert S Drive, Menlo Park, Ca 94025, United States |
| BEECROFT, Barry Ian RESIGNED | Director | 28 Feb 1995 | 31 Jul 2008 | | July 1946 | The Linde Group The Priestley Centre, 10 Priestley Rd, The Surrey Research Park, Guildford, Surrey, GU2 7XY |
| BLAND, Julian Michael RESIGNED | Director | 26 Jul 2018 | 31 Aug 2026 | England | April 1967 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BRACKFIELD, Andrew Christopher RESIGNED | Director | 12 Aug 2016 | 31 Dec 2018 | England | March 1956 | The Linde Group, The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| BROWNING, Helen Mary RESIGNED | Director | 01 Mar 2002 | 20 Mar 2003 | | November 1961 | Rose Cottage, High Street, Bishopstone, Swindon, Wiltshire, SN6 8PH |
| CHARLESWORTH, Paul Lane RESIGNED | Director | 01 Aug 2001 | 31 Jan 2002 | | October 1932 | 70 Shenfield Road, Shenfield, Brentwood, Essex, CM15 8EW |
| CHATTERJI, Debajyoti RESIGNED | Director | | 04 Mar 1999 | | August 1944 | 34 Baltusrol Way, Far Hills, Berkeley Heights, New Jersey, 07931, Usa |
| CONWAY, Gordon Richard, Professor RESIGNED | Director | 17 Nov 1994 | 31 Dec 1997 | | July 1938 | Swanborough Manor, Swanborough, Lewes, East Sussex, BN7 3PF |
| DEMPSEY, Stephen James RESIGNED | Director | 12 May 2003 | 15 Dec 2006 | | February 1951 | The Boc Group, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| DEVERS, Dorian Kevin Thomas RESIGNED | Director | 12 Aug 2016 | 28 Jul 2017 | England | December 1975 | The Linde Group, The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| GIBSON SMITH, Christopher Shaw, Dr RESIGNED | Director | 01 Mar 2002 | 20 Mar 2003 | United Kingdom | September 1945 | Lansdowne, White Lane, Guildford, Surrey, GU4 8PR |
| GIORDANO, Richard Vincent RESIGNED | Director | 16 Jun 1994 | 19 Jan 1996 | | March 1934 | Flat 3 69 Eaton Place, London, SW1X 8DF |
| HOWE OF IDLICOTE, Baroness (Elspeth Morton) RESIGNED | Director | | 20 Mar 2003 | | February 1932 | 6 Glengall Terrace, London, SE15 |
| HUNTON, Nigel David RESIGNED | Director | 12 May 2003 | 07 May 2006 | | September 1960 | The Boc Group, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| JENKINSON, Mark Anthony RESIGNED | Director | 19 Oct 2012 | 31 Aug 2016 | England | March 1967 | The Linde Group, The Priestley Centre, 10 Priestley Road, Guildford, Surrey, GU2 7XY, England |
| JOHN, David Glyndwr, Sir RESIGNED | Director | 20 Mar 1996 | 18 Jan 2002 | United Kingdom | July 1938 | 12 Grosvenor Crescent Mews, London, SW1X 7EU |
| JOHNSON, Mark Leonard RESIGNED | Director | 01 Jul 2009 | 31 Aug 2016 | | January 1964 | The Linde Group, The Priestley Centre, 10 Priestley Road, The Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| LEWIS OF NEWNHAM, Jack, Lord RESIGNED | Director | | 20 Mar 2003 | United Kingdom | February 1928 | 17 Champneys Walk, Cambridge, CB3 9AW |
| MARGETTS, Robert John, Sir RESIGNED | Director | 18 Jan 2002 | 05 Sep 2006 | England | November 1946 | C/O Matlin Patterson, 7th Floor Buchanan House, 3 St James's Square London, SW1Y 4JU |
| NEWBY, Howard Joseph, Sir RESIGNED | Director | 01 Jun 1997 | 30 Jun 2002 | England | December 1947 | Wharf Barn, Passage Road Aust, Bristol, Avon, BS35 4BG |
| NICHOLSON, Robin Buchanan, Sir RESIGNED | Director | 17 Nov 1994 | 05 Nov 1997 | England | August 1934 | Penson Farm, Diptford, Totnes, Devon, TQ9 7NN |
| OSBORN, Frederic Adrian RESIGNED | Director | 01 Jul 1997 | 20 Mar 2003 | England | January 1941 | 48 Talbot Road, London, N6 4QP |
| PATTERSON, Benjamin RESIGNED | Director | 11 Sep 2018 | 09 Oct 2024 | England | May 1962 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| QUINN, Anne Cecille RESIGNED | Director | 11 May 2004 | 05 Sep 2006 | | July 1951 | St. James's Square, London, SW1Y 4PD |
| RICH, Patrick Jean-Jacques RESIGNED | Director | | 22 Feb 1994 | | March 1931 | 95 Eaton Terrace, London, SW1W 8TW |
| ROEGNER, Harry Philipp, Dr RESIGNED | Director | 26 Sep 2006 | 06 Oct 2010 | | November 1955 | Linde Ag, Linde Ag, Klosterhofstrasse 1, Munich 80331, Germany |
| ROWE, Alvar Nigel RESIGNED | Director | | 22 Feb 1994 | | December 1940 | 95 Mallard Place, Twickenham, Middlesex, TW1 4SW |
| SARRINGTON, Michael John, Paul RESIGNED | Director | 01 Jul 2009 | 31 Aug 2012 | | September 1968 | The Linde Group, The Priestley Centre, 10 Priestley Road, The Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| SMITH, Graham RESIGNED | Director | 08 May 2006 | 22 Dec 2006 | | September 1952 | The Boc Group, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| TICKELL, Crispin Charles Cervantes, Sir RESIGNED | Director | | 20 Mar 2003 | United Kingdom | August 1930 | Ablington Old Barn, Ablington, Cirencester, Gloucestershire, GL7 5NU |
| WILLIAMS, Sally Ann RESIGNED | Director | 28 Jul 2017 | 31 Aug 2026 | England | August 1970 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| LORD ALEXANDER OF WEEDON QC RESIGNED | Director | | 22 Feb 1994 | | | 28 Blomfield Road, London, W9 1AA |