| SAMBROOK, Mark Jamie ACTIVE | Secretary | 26 May 2017 | | | | 1000, Hillswood Drive, Chertsey, KT16 0PS, England |
| ESCORIHUELA URBINA, Jose Bernardo ACTIVE | Director | 15 Feb 2022 | | England | April 1969 | 1000, Hillswood Drive, Chertsey, Surrey, KT16 0PS, England |
| HUSSA, Benjamin Mcgovern ACTIVE | Director | 15 Dec 2021 | | United States | May 1978 | 1000, Hillswood Drive, Chertsey, Surrey, KT16 0PS, England |
| LOWE, Suzanne Natarlie Miriam ACTIVE | Director | 22 Oct 2019 | | England | September 1964 | 1000, Hillswood Drive, Chertsey, Surrey, KT16 0PS, England |
| LLOYD, Caroline Mary RESIGNED | Secretary | 07 Jan 2002 | 18 Mar 2008 | | | The Little House, Knightons Lane, Dunsfold, Godalming, Surrey, GU8 4NU |
| MORRISON-BELL, William Hollin Dayrell, Sir RESIGNED | Secretary | 18 Mar 2008 | 26 May 2017 | | | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| TUFNELL, John Francis, Mr. RESIGNED | Secretary | | 07 Jan 2002 | | | 32 Lower Hill Road, Epsom, Surrey, KT19 8LT |
| ALMEIDA, Carlos Alberto RESIGNED | Director | 27 Jul 2004 | 14 Dec 2006 | | May 1955 | 1 The Mews, Cobham Park, Downside, Cobham, Surrey, KT11 3LD |
| BEGG, Mark David RESIGNED | Director | 27 Jul 2004 | 16 Feb 2009 | | January 1961 | 49 Stroudwater Park, St. George's Avenue, Weybridge, Surrey, KT13 0DT |
| BOOCOCK, Richard John RESIGNED | Director | 04 May 2016 | 19 Jan 2021 | England | April 1961 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| CASTLE-SMITH, Howard Graham, Mr. RESIGNED | Director | 24 Sep 2014 | 17 Apr 2015 | England | April 1959 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| CATTELL, Graham Geoffrey Scott RESIGNED | Director | 01 Oct 1991 | 28 Sep 1994 | | July 1947 | 41 Woodlands Road, Bookham, Leatherhead, Surrey, KT23 4HG |
| CIUKSZA, Andrzej Maciej RESIGNED | Director | 11 Mar 2015 | 04 May 2016 | England | July 1956 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| DICKINS, Raymond John RESIGNED | Director | | 22 Mar 1994 | | June 1939 | Rosegarth Hollybank Road, Hook Heath, Woking, Surrey, GU22 0NW |
| HAMMONS, JR, Terrence Gordon RESIGNED | Director | 19 Dec 2012 | 31 Jul 2015 | Usa | February 1973 | C/O Air Products Plc, Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ, England |
| HULBERT, Timothy Martin RESIGNED | Director | 13 Dec 2016 | 14 Sep 2018 | England | September 1970 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| HULBERT, Timothy Martin RESIGNED | Director | 22 Dec 2014 | 04 May 2016 | England | September 1970 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LENEY, David RESIGNED | Director | 17 Oct 2018 | 15 Feb 2022 | England | February 1967 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LENEY, David RESIGNED | Director | 09 Apr 2014 | 04 May 2016 | England | February 1967 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LLOYD, Caroline Mary RESIGNED | Director | 19 Mar 2012 | 28 Oct 2014 | United Kingdom | October 1961 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LLOYD, Caroline Mary RESIGNED | Director | 07 Jan 2002 | 18 Mar 2008 | England | October 1961 | The Little House, Knightons Lane, Dunsfold, Godalming, Surrey, GU8 4NU |
| MILLER, John Anthony RESIGNED | Director | | 29 Jun 2001 | United Kingdom | July 1944 | Taresmocks Betchetts Green Lane, South Holmwood, Dorking, Surrey, RH5 4LG |
| MORRISON-BELL, William Hollin Dayrell, Sir RESIGNED | Director | 12 Apr 2011 | 04 May 2016 | England | June 1956 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| NELIGAN, Patrick Moore RESIGNED | Director | 13 Mar 2007 | 04 May 2016 | Spain | June 1963 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| PARSELL, Michael Peter RESIGNED | Director | 13 Jul 2000 | 11 Feb 2003 | | July 1951 | Hook Coach House, Itchingfield, Horsham, West Sussex, RH13 7NT |
| PATTERSON, Diane Ellen RESIGNED | Director | 09 Feb 2016 | 04 May 2016 | England | December 1956 | Air Products Plc, Hersham Place Technology Park, Molesey Road, Hersham, Walton-On-Thames, Surrey, KT12 4RZ, England |
| PESCOD, Elizabeth Jane RESIGNED | Director | 19 Mar 2012 | 04 May 2016 | England | February 1957 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| PROCTER, Geoffrey Charles RESIGNED | Director | 01 Oct 1991 | 15 Jul 1993 | | January 1948 | Kingsbury Paice Lane, Medstead, Alton, Hampshire, GU34 5PT |
| RAMSAY, Peter William RESIGNED | Director | 29 Jun 2001 | 29 Apr 2004 | | February 1950 | The Ridges, 2 Bridgefield, Farnham, Surrey, GU9 8AN |
| RHODES, Graham Michael RESIGNED | Director | 19 May 2003 | 19 Mar 2012 | England | March 1962 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| ROBERTS, Laure Veronique Valerie RESIGNED | Director | 30 Mar 2010 | 31 Dec 2010 | United Kingdom | September 1963 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| RYAN, Christopher John RESIGNED | Director | | 22 Mar 1994 | | May 1946 | Broom Cottage, Broom Lane, Chobham, Surrey, GU24 8RQ |
| SAMBROOK, Mark Jamie RESIGNED | Director | 19 Mar 2012 | 04 May 2016 | England | October 1971 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| SHEPHERD, John Brettell RESIGNED | Director | | 02 Jun 2000 | | October 1939 | 15 Windermere Way, Farnham, Surrey, GU9 0DE |
| SHERIDAN, Diane Lorraine RESIGNED | Director | 16 Apr 2010 | 19 Dec 2012 | Usa | June 1950 | Hersham Place Technology Park, European Law Group, Air Products Plc, Molesey Road Walton-On-Thames, Surrey, KT12 4RZ, United Kingdom |
| SMITH, Richard Brian RESIGNED | Director | 25 Jul 2007 | 30 Mar 2010 | United Kingdom | December 1947 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| SPARKS, John Leslie RESIGNED | Director | 13 Jul 2000 | 20 Jul 2004 | | October 1956 | Hurtwood, The Chase, East Horsley, Leatherhead, Surrey, KT24 5DQ |
| STANLEY, John David RESIGNED | Director | 18 Mar 2008 | 24 Jun 2009 | | November 1958 | 1743, Creek View Drive, Fogelsville, Pennsylvania, PA 18051, U.S.A. |
| STINNER, Charles George RESIGNED | Director | 04 May 2016 | 15 Dec 2021 | United States | April 1963 | C/O Law Department, Air Products Plc, Hersham Place Technology Park, Molesey Road, Walton-On-Thames, Surrey, KT12 4RZ, England |
| STREET, Brian Frederick, Professor RESIGNED | Director | | 18 Jan 1993 | | June 1927 | Morningside, 16 Rookwood Park, Horsham, West Sussex, RH12 1UB |
| THOMAS, Stanley Alfred RESIGNED | Director | | 16 Jul 1991 | | July 1933 | Longacres, Lower Eashing, Godalming, Surrey, GU7 2QF |
| TUFNELL, John Francis, Mr. RESIGNED | Director | 24 Jun 2009 | 16 Apr 2010 | United Kingdom | April 1950 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| TUFNELL, John Francis, Mr. RESIGNED | Director | 13 Jan 1993 | 07 Jan 2002 | United Kingdom | April 1950 | 32 Lower Hill Road, Epsom, Surrey, KT19 8LT |
| WEIGARD, Gregory Earl, Mr. RESIGNED | Director | 04 May 2016 | 31 Jan 2020 | United States | February 1954 | C/O Law Department, Air Products Plc, Hersham Place Technology Park, Molesey Road, Walton-On-Thames, Surrey, KT12 4RZ, England |
| WYATT, Geoffrey Peter RESIGNED | Director | 23 Mar 1994 | 11 Aug 2000 | | July 1950 | Bracken Chase 7 Tennysons Ridge, Tennysons Lane, Haslemere, Surrey, GU27 3SY |