| Alan George Burns | Director | 3 Dec 2012 | 3 Apr 2019 | British | 50 years |
| Alexander Vincent Korda | Director | 14 May 1997 | 12 Mar 1998 | British | 75 years |
| Alexander Vincent Korda | Secretary | 14 May 1997 | 12 Mar 1998 | British | - |
| Antoine Papiernik | Director | 14 May 1997 | 31 Dec 1997 | French | 59 years |
| Ashley Alexander Grist | Director | 9 Sept 2009 | 20 Oct 2010 | British | 60 years |
| Charalampos Panagiotidis | Director | 15 Feb 2019 | 3 Sept 2019 | Greek | 48 years |
| Cmh Directors Limited | Corporate Nominee Director | 17 Jul 1996 | 2 Dec 1996 | United Kingdom | - |
| Cmh Secretaries Limited | Corporate Nominee Director | 17 Jul 1996 | 2 Dec 1996 | United Kingdom | - |
| Cmh Secretaries Limited | Corporate Nominee Secretary | 17 Jul 1996 | 2 Dec 1996 | United Kingdom | - |
| Derek Davies | Director | 16 Aug 2010 | 14 Dec 2012 | British | 62 years |
| Edinburgh Pharmaceutical Industries Limited | Corporate Director | 4 May 2006 | 10 Dec 2019 | United Kingdom | - |
| Gilles Amsallem | Director | 14 May 1997 | 14 Apr 1999 | French | 71 years |
| Glaxo Group Limited | Corporate Director | 4 May 2006 | 10 Dec 2019 | United Kingdom | - |
| James Borger | Director | 25 Feb 2019 | 20 Aug 2019 | American | 62 years |
| Jason Andrew Loveridge | Director | 2 Dec 1996 | 12 Mar 1998 | Australian | 64 years |
| John Bussey Hawken | Director | 29 Apr 1998 | 14 Apr 1999 | British | 77 years |
| John Bussey Hawken | Secretary | 29 Apr 1998 | 14 Apr 1999 | British | - |
| Joseph Ifergan | Director | 14 May 1997 | 2 Oct 1998 | French | 73 years |
| Michael John Parnham | Director | 6 May 1999 | 4 May 2006 | British | 74 years |
| Michael John Parnham | Secretary | 6 May 1999 | 4 May 2006 | British | - |
| Nobuo Fukuda | Director | 2 Dec 1996 | 14 May 1997 | Japanese | 66 years |
| Oleg Dubianskij | Director | 31 Jan 2017 | 13 Feb 2019 | Lithuanian | 53 years |
| Rafi Kazandjian | Director | 31 Dec 1997 | 17 Mar 1998 | French | 66 years |
| Sanja Miletic | Director | 1 Jun 2004 | 4 May 2006 | French | 52 years |
| Wolfgang Peter Schonfeld | Director | 6 May 1999 | 1 Jun 2004 | German | 69 years |
| Yasuo Horikoshi | Director | 24 Apr 1997 | 14 May 1997 | Japanese | 58 years |
| Yasuo Horikoshi | Secretary | 2 Dec 1996 | 14 May 1997 | Japanese | - |