| OAKWOOD CORPORATE SECRETARY LIMITED ACTIVE | Secretary | 30 Nov 2022 | | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| ETTEFAGH, Michael Amir ACTIVE | Director | 01 May 2025 | | United States | November 1972 | 3900, Paramount Parkway, Morrisville, Wake Country, North Carolina, 27560, United States |
| LI-YAN-HUI, Xiao Rong ACTIVE | Director | 01 May 2025 | | United Kingdom | May 1971 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| STARR, Alison Jane ACTIVE | Director | 15 Dec 2023 | | United Kingdom | January 1977 | C/O Ppd Global Limited, Granta Park, Great Abington, Cambridge, CB21 6GQ, United Kingdom |
| BULL, Helen Ruth RESIGNED | Secretary | 13 Dec 1996 | 08 Aug 2008 | | | Hilltop Villa Pale Green, Helions Bumpstead, Haverhill, Suffolk, CB9 7AS |
| GREGG, Rhona RESIGNED | Secretary | 30 Nov 2022 | 31 Mar 2026 | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| JAMES, Julia Mary RESIGNED | Secretary | 01 Feb 2021 | 31 Mar 2024 | | | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| NEILD, Christopher David RESIGNED | Secretary | 08 Aug 2008 | 19 Mar 2020 | | | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| SERJEANT, Neil Charles RESIGNED | Secretary | | 28 Jun 1996 | | | 35 Moulsham Street, Chelmsford, Essex, CM2 0HY |
| SHANNON, Colin RESIGNED | Secretary | 28 Jun 1996 | 13 Dec 1996 | | | 7 Forest End, Kennett, Newmarket, Suffolk, CB8 7RG |
| AMOS, Harry Edmund RESIGNED | Director | | 28 Feb 1992 | | September 1938 | 35 Moulsham Street, Chelmsford, Essex, CM2 0HY |
| BRYER, John David RESIGNED | Director | 20 Mar 1996 | 06 Jan 1997 | | January 1934 | Pharmaco International Inc.,, 4009 Banister Lane Austin, Texas, Travis County, 78704, Usa |
| BULL, Helen Ruth RESIGNED | Director | 27 Mar 2007 | 08 Aug 2008 | England | March 1967 | Hilltop Villa Pale Green, Helions Bumpstead, Haverhill, Suffolk, CB9 7AS |
| CHAPUT, Mary Avery RESIGNED | Director | 17 Nov 1995 | 20 Mar 1996 | | February 1950 | 118 Seney Drive, Bernardsville, Somerset, 07924, American |
| DAVENPORT, Fred Blount RESIGNED | Director | 06 Jan 1997 | 09 Nov 2006 | | August 1951 | 6612 Sedgewood Road, Wilmington, North Carolina, 28403 |
| GEROCK III, Henry Walter RESIGNED | Director | 31 Mar 2024 | 01 May 2025 | United States | January 1975 | 929, North Front Street, Wilmington, North Carolina, 28401, United States |
| GOODSON, Peter Jack Mitford, Doctor RESIGNED | Director | 01 Aug 1994 | 13 Dec 1996 | | October 1941 | 35 Moulsham Street, Chelmsford, Essex, CM2 0HY |
| HARRIS, Richard Stuart RESIGNED | Director | 19 Mar 2020 | 31 Mar 2024 | United Kingdom | December 1979 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| HARTMAN, Brainard Judd RESIGNED | Director | 09 Nov 2006 | 27 Aug 2014 | United States | September 1963 | 296, Whisper Park Drive, Wilmington, North Carolina 28411, Usa |
| JAMES, Julia Mary RESIGNED | Director | 27 Aug 2014 | 31 Mar 2024 | England | July 1974 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| LEE, Amber Kathleen RESIGNED | Director | 01 Feb 2022 | 15 Dec 2023 | United Kingdom | September 1965 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| LOGAN, Kelvin Barry, Doctor RESIGNED | Director | 28 Feb 1992 | 01 Aug 1994 | | June 1952 | 35 Moulsham Street, Chelmsford, Essex, CM2 0HY |
| NEILD, Christopher David RESIGNED | Director | 21 Nov 2007 | 19 Mar 2020 | United Kingdom | November 1962 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| NEILSON, William Robert, Dr RESIGNED | Director | 24 Nov 1997 | 13 Nov 1998 | Switzerland | December 1950 | 15 Mermaid Street, Rye, East Sussex, TN31 7ET |
| NEWBERY, Roger Stephen RESIGNED | Director | 08 Jun 2011 | 01 Feb 2022 | United Kingdom | May 1960 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| PACIOS MERINO, Sebastian RESIGNED | Director | 25 Jul 2008 | 08 Jun 2011 | United Kingdom | October 1967 | 1, Lady Jermy Way, Teversham, Cambridge, Cambridgeshire, CB1 9BG |
| SHANNON, Colin RESIGNED | Director | 13 Dec 1996 | 27 Mar 2007 | United States | October 1959 | 216 Gatefield Drive, Wilmington, N. Carolina 28412, Usa |
| SHANNON, Colin RESIGNED | Director | 17 Nov 1995 | 20 Mar 1996 | | October 1959 | 7 Forest End, Kennett, Newmarket, Suffolk, CB8 7RG |
| SHAW, William Lawson, Dr RESIGNED | Director | 28 Jun 1996 | 24 Nov 1997 | | January 1946 | 7 Lansdowne Road, Cambridge, Cambridgeshire, CB3 0EU |
| SUMMERFIELD, Peter John Frederick RESIGNED | Director | 08 Jun 2011 | 28 Jun 2017 | United Kingdom | August 1950 | Granta Park, Great Abington, Cambridge, Cambridgeshire, CB21 6GQ |
| WAECHTER, Stephen Lawrence RESIGNED | Director | 17 Nov 1995 | 06 Jan 1997 | | April 1950 | 9 Scottish Autumn Court, Darnestown, Maryland, 20878, Usa |