| Alan Charles Parker | Director | 25 Aug 1995 | 13 Sept 2004 | British | 80 years |
| Alexandra Clare Thomas Hathaway | Director | 10 Jan 2025 | 4 Aug 2025 | British | 52 years |
| Andrea Mary Jones | Director | 5 May 2005 | 8 May 2006 | British | 58 years |
| Angela Susan Risley | Director | 25 Aug 1995 | 20 Nov 1998 | British | 68 years |
| Catherine Bridget Rutherford | Director | 25 Aug 1995 | 15 Jan 1996 | British | 61 years |
| Charles Whittaker | Director | 31 Dec 1992 | 13 Jun 1994 | British | 84 years |
| Charles Whittaker | Secretary | 31 Dec 1992 | 13 Jun 1994 | British | - |
| Christopher Charles Bevan Rogers | Director | 31 Oct 2006 | 20 Jul 2012 | British | 66 years |
| Christopher John Denley | Director | 20 Nov 2007 | 15 May 2017 | British | 69 years |
| Daren Clive Lowry | Secretary | 30 Jan 2004 | 5 May 2005 | British | - |
| David Hedley Richardson | Director | 1 Feb 2002 | 20 Feb 2002 | British | 75 years |
| Desmond Louis Mildmay Taljaard | Director | 4 May 2005 | 15 Sept 2006 | British | 65 years |
| Elizabeth Anne Thorpe | Secretary | 25 Sept 2002 | 30 Jan 2004 | British | - |
| Friedrich Ludwig Rudolf Ternofsky | Director | 31 Dec 1992 | 27 May 1993 | Austrian | 83 years |
| Graham Windle | Director | 25 Aug 1995 | 31 Oct 2006 | British | 74 years |
| Jean-henri Van Lanschot Hubrecht | Director | 31 Dec 1992 | 25 Aug 1995 | Dutch | 80 years |
| John Healy | Director | 5 May 2005 | 8 May 2006 | American | 67 years |
| John Stewart Lacey | Director | 31 Dec 1992 | 25 Aug 1995 | Canadian | 83 years |
| Maria Rita Buxton Smith | Secretary | 13 Feb 1998 | 25 Sept 2002 | British | - |
| Matthew Yates | Director | 12 Oct 2018 | 10 Jan 2025 | British | 49 years |
| Nicola Jane Fenton | Secretary | 25 Aug 1995 | 13 Feb 1998 | British | - |
| Patrick Joseph Anthony Dempsey | Director | 13 Sept 2004 | 4 May 2005 | British | 67 years |
| Petershill Secretaries Limited | Corporate Secretary | 5 May 2005 | 31 Aug 2006 | United Kingdom | - |
| Robert William Parker | Director | 20 Nov 1998 | 31 Dec 2001 | British | 75 years |
| Russell William Fairhurst | Director | 25 Aug 1995 | 15 Jan 1996 | British | 63 years |
| Russell William Fairhurst | Director | 15 May 2017 | 12 Oct 2018 | British | 63 years |
| Russell William Fairhurst | Secretary | 30 Jan 2004 | 5 May 2005 | British | - |
| Simon Charles Barratt | Director | 1 Feb 2002 | 20 Feb 2002 | British | 67 years |
| Simon Charles Barratt | Director | 15 Sept 2006 | 17 Nov 2015 | British | 67 years |
| Steven Mark Palmer | Secretary | 13 Jun 1994 | 25 Aug 1995 | British | - |
| Steven Peter Lambert | Director | 1 Feb 2002 | 27 Apr 2005 | British | 62 years |