| HAINSWORTH, Robert James ACTIVE | Director | 15 Apr 2025 | | United Kingdom | October 1977 | Labcorp Early Development Laboratories Ltd, Otley Road, Harrogate, HG3 1PY, United Kingdom |
| KREMER, Thomas ACTIVE | Director | 30 Jun 2023 | | United States | May 1977 | 10, Moore Drive, Durham, NC 27709, United States |
| KYLE, Kathryn Wright ACTIVE | Director | 15 Apr 2025 | | United States | January 1971 | 531, South Spring Street, Burlington, NC27215, United States |
| GRIFFITHS, Julian Torquil RESIGNED | Secretary | | 16 Dec 1998 | | | Cob Hill House, Tang Road, High Birstwith, Harrogate, North Yorkshire, HG3 2JR |
| MASTERS, Katharine RESIGNED | Secretary | 16 Dec 1998 | 04 Aug 2009 | | | Covance Laboratories Ltd, Otley Road, Harrogate, North Yorkshire, HG3 1PY |
| ALI, Mir Imran, Mr. RESIGNED | Director | 11 Apr 2022 | 23 May 2023 | United States | July 1976 | Otley Rd, Harrogate, HG3 1PY |
| CASS, Brian RESIGNED | Director | | 08 Sep 1998 | | May 1947 | 16b The Oval, Harrogate, North Yorkshire, HG2 9BA |
| CORK, Anthony John RESIGNED | Director | 06 Nov 2000 | 31 Dec 2008 | United Kingdom | June 1948 | Covance Laboratories Limited, Otley Road, Harrogate, North Yorkshire, HG3 1PY |
| CORNELL, Alison Ann RESIGNED | Director | 01 Aug 2012 | 02 Jul 2015 | Usa | March 1962 | Otley Rd, Harrogate, HG3 1PY |
| COULDWELL, Stephen Ashley RESIGNED | Director | 01 Jul 2010 | 31 Jul 2012 | United Kingdom | February 1960 | Covance Laboratories, Otley Road, Harrogate, North Yorkshire, HG3 1PY, United Kingdom |
| EBERTS III, Floyd Samuel RESIGNED | Director | 28 Aug 2018 | 15 Feb 2019 | United States | September 1959 | 531, South Spring Street, Burlington, North Carolina, 27215, United States |
| EISENBERG, Glenn Andrew RESIGNED | Director | 28 Aug 2018 | 15 Apr 2025 | United States | May 1961 | 531, South Spring Street, Burlington, North Carolina, 27215, United States |
| HARWOOD JNR, Charles C RESIGNED | Director | 02 Dec 1996 | 25 Oct 2001 | | June 1953 | 210 Carnegie Center, Princeton, New Jersey |
| HERRING, Joseph Lee RESIGNED | Director | 13 Nov 2001 | 04 Aug 2009 | Usa | August 1955 | 3301 Kinsman Boulevard, Madison, Wi 53704, Usa |
| KLITGAARD, William Edler RESIGNED | Director | 30 Oct 2001 | 01 Aug 2012 | Usa | March 1953 | 210 Carnegie Center, Princeton, New Jersey 08540 6233, FOREIGN, Usa |
| KUEBLER, Christopher Allen RESIGNED | Director | 10 Jan 1995 | 07 Dec 2005 | | October 1953 | 210 Carnegie Centre, Princetown, New Jersey, 08540 6233, CHANNEL, Usa |
| MARIER, Raymond Conrad RESIGNED | Director | | 10 Jan 1995 | | January 1945 | 1727 Genesee Road, Elmira New York 14905, FOREIGN, Usa |
| MASTERS, Katharine RESIGNED | Director | 04 Aug 2009 | 29 Jun 2012 | United Kingdom | October 1962 | Covance Laboratories Ltd, Otley Road, Harrogate, North Yorkshire, HG3 1PY |
| MORFILL, Michael RESIGNED | Director | 07 Apr 1999 | 27 Aug 1999 | | May 1954 | West Park House Otley Road, Harrogate, North Yorkshire, HG3 1PY |
| NIELSEN, Donald Peter RESIGNED | Director | | 31 Mar 1992 | | July 1938 | Southdown Farms, Great Falls Virginia, FOREIGN, Usa |
| PATRICK, Michael Thomas RESIGNED | Director | 01 Aug 2012 | 03 May 2013 | United Kingdom | May 1972 | Otley Rd, Harrogate, HG3 1PY |
| PRINGLE, Robert Stewart RESIGNED | Director | 04 Aug 2009 | 30 Jun 2023 | United Kingdom | February 1964 | 5 Foundation Park, Roxborough Way, Maidenhead, SL6 3UD, England |
| ROBSON, John RESIGNED | Director | 04 Aug 2009 | 18 May 2012 | | April 1961 | Covance Laboratories, Otley Road, Harrogate, North Yorkshire, HG3 1PY |
| STREET, Stephen Derek Albert RESIGNED | Director | 01 Aug 2012 | 11 Apr 2022 | England | December 1960 | Otley Rd, Harrogate, HG3 1PY |
| VAN DER VAART, Sandra RESIGNED | Director | 24 Jun 2019 | 15 Apr 2025 | United States | September 1959 | Otley Rd, Harrogate, HG3 1PY |
| VANOORT, Douglas RESIGNED | Director | 01 Apr 1992 | 02 Dec 1996 | | January 1956 | 17 East 5th Street, Corning, New York, United States Of America, 14830 |
| WOKASCH, Michael Gerard RESIGNED | Director | 27 Oct 1998 | 17 Sep 1999 | | October 1951 | 3301 Kinsman Boulevard, Madison, Wisconsin, W153703, Usa |