| PAMBA, Allan ACTIVE | Director | 01 Apr 2026 | | Kenya | August 1971 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| ROWBOTHAM, Kathryn Ryan ACTIVE | Director | 02 Nov 2025 | | England | August 1976 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| UL HAQ, Muhammad Omair ACTIVE | Director | 01 Nov 2025 | | England | July 1989 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| ABIMBOLA, Olufunke RESIGNED | Secretary | 22 Jun 2015 | 01 Jan 2016 | | | 6, Falcon Way, Shire Park, Welwyn Garden City, Hertfordshire, AL7 1TW, England |
| DANIEL, Richard David RESIGNED | Secretary | 16 Feb 1999 | 22 Jun 2015 | | | 6, Falcon Way, Shire Park, Welwyn Garden City, Herts, AL7 1TW |
| LISI, Michael RESIGNED | Secretary | 12 Dec 2019 | 20 Jan 2021 | | | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| MITCHELL, Hugh RESIGNED | Secretary | | 05 Jun 1997 | | | 11 Grange View, Linlithgow, West Lothian, EH49 7HY, Scotland |
| PAWAN, Catherine Sarah RESIGNED | Secretary | 20 Jan 2021 | 13 Jul 2026 | | | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| REICH, Oren RESIGNED | Secretary | 01 Jan 2016 | 12 Dec 2019 | | | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| ROOKE, David Philip RESIGNED | Secretary | 05 Jun 1997 | 16 Feb 1999 | | | 16 Hartfield Road, Seaford, East Sussex, BN25 4PJ |
| ACKERMANN, Vic RESIGNED | Director | 16 Feb 1999 | 14 Jun 2000 | | July 1944 | 16 Oakfield Road, West Common, Harpenden, Hertfordshire, AL5 2NL |
| BARNES, David RESIGNED | Director | 15 Jan 2001 | 19 Jun 2003 | | November 1964 | 26 The Avenue, Lewes, East Sussex, BN7 1QT |
| CLARK, John Malone RESIGNED | Director | | 08 Feb 1999 | | January 1939 | Upper Knoll House 6 Bogsmill Road, Edinburgh, EH14 2LX |
| CUNHA, Mauricio Modesto RESIGNED | Director | 01 May 2019 | 13 Jan 2023 | England | December 1976 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| DALLAS, Jayson Donald Alexander RESIGNED | Director | 01 Jan 2013 | 24 Jul 2015 | England | February 1968 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| DORMER, Michael John RESIGNED | Director | 17 Jul 1993 | 31 Aug 1995 | England | March 1951 | Burrage House, 26 York Place, Harrogate, North Yorkshire, HG1 5RH |
| ERWIN, Richard William RESIGNED | Director | 01 Sep 2015 | 02 Nov 2025 | England | May 1967 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| FISCHER, Roland Frederic RESIGNED | Director | 01 Jul 2014 | 11 Dec 2018 | England | October 1972 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| GRANT, Alexander RESIGNED | Director | 25 Sep 1995 | 30 Mar 2004 | | February 1955 | 6 Park Avenue, Hove, East Sussex, BN3 5RF |
| HEBICH, Christian Josef RESIGNED | Director | 01 Apr 2004 | 15 Jul 2004 | | June 1967 | Sonnmatt 2, Rotkreuz, 6343, Switzerland |
| JURISCH, Bernhard Adolf, Dr RESIGNED | Director | 01 Jan 1997 | 16 Feb 1999 | | May 1937 | Viktoriastrasse 17, Mannheim D 68165, Germany, FOREIGN |
| KRUSE, Niklas RESIGNED | Director | 01 Feb 2023 | 01 Nov 2025 | England | February 1986 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| KUBITZA, Bernhardt RESIGNED | Director | | 23 Mar 1995 | | September 1931 | 167 Rue De Treves, Luxembourgh L-2630, Luxembourg Gd |
| MELVILLE, John Mcmillan RESIGNED | Director | 14 Jun 2000 | 31 Dec 2012 | United Kingdom | May 1951 | 6 Falcon Way, Shire Park, Welwyn Garden City, Hertfordshire, AL7 1TW |
| MERSELIS, James David RESIGNED | Director | 24 Mar 1995 | 31 Aug 1995 | | March 1954 | 11 Firle Grange, Seaford, East Sussex, BN25 2HD |
| MONSTER, Elmer RESIGNED | Director | 20 May 2009 | 21 Mar 2014 | United Kingdom | February 1974 | 6, Falcon Way, Shire Park, Welwyn Garden City, Herts, AL7 1TW, England |
| NICHOLSON, Donald RESIGNED | Director | 12 Mar 1992 | 31 Aug 1995 | | October 1957 | 16 Northampton Park, London, N1 2PJ |
| PANCERA, Massimiliano, Dr RESIGNED | Director | 24 Mar 1995 | 16 Feb 1999 | | August 1940 | C/O Boehringer Mannheim Italia Spa, Vai S Uguzzone 5, Milan 120126, Italy, FOREIGN |
| PARKER, Christopher Stuart RESIGNED | Director | 07 Aug 2012 | 01 Jul 2017 | England | April 1958 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| REICH, Oren RESIGNED | Director | 11 Dec 2018 | 01 May 2019 | England | December 1976 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| REICH, Oren, Mr. RESIGNED | Director | 01 Jul 2017 | 01 Oct 2017 | England | December 1976 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| REICH, Oren RESIGNED | Director | 21 Mar 2014 | 01 Jul 2014 | England | December 1976 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| REICH, Oren RESIGNED | Director | 01 Jan 2012 | 07 Aug 2012 | England | December 1976 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| SCHMID, Thomas RESIGNED | Director | 16 Feb 1999 | 31 Dec 2000 | | July 1962 | 4 Royal Drive, Seaford, East Sussex, BN25 2XW |
| TESSMAR, Carl Bernhard RESIGNED | Director | | 12 Mar 1992 | | September 1937 | 167 Rue De Treves, Luxembourg L-2630, FOREIGN, Luxembourg Gd |
| TIDMORE, William Ewing RESIGNED | Director | 12 Mar 1992 | 17 Jul 1993 | | September 1942 | 38 Kent Road, Harrogate, North Yorkshire, HG1 2LJ |
| TWIST, Geoff RESIGNED | Director | 07 Apr 2005 | 20 May 2009 | | February 1971 | 2 The Drove, Newhaven, East Sussex, BN9 0AG |
| TWIST, Geoffrey John RESIGNED | Director | 01 Oct 2017 | 01 Apr 2026 | England | February 1971 | Roche House, Charles Avenue, Burgess Hill, West Sussex, RH15 9RY |
| VAN DEN BOER, Jan RESIGNED | Director | 15 Jul 2004 | 01 Jan 2012 | United Kingdom | April 1946 | 6, Falcon Way, Shire Park, Welwyn Garden City, Hertfordshire, AL7 1TW, England |
| WOODFORD, Peter RESIGNED | Director | | 23 Mar 1995 | | August 1948 | Ash Tree Cottage, Rodmell, Lewes, Sussex, BN7 3HF |