| Alan Lewis Robson | Director | 24 Apr 1992 | 5 Mar 1994 | British | 91 years |
| Alan Lewis Robson | Secretary | 24 Apr 1992 | 5 Mar 1994 | British | - |
| Andrew Crawshaw | Director | 23 Apr 2010 | 5 Jan 2015 | British | 60 years |
| Andrew Richard Wood | Director | 26 Jun 2000 | 3 Sept 2002 | British | 76 years |
| Andrew Warren Newton White | Director | 3 Apr 2008 | 16 May 2012 | British | 60 years |
| Andrew Warren Newton White | Director | 9 May 2003 | 18 Dec 2006 | British | 60 years |
| Andrew William Smith | Director | 10 Nov 2003 | 1 Jan 2007 | English | 76 years |
| Anthony Andrew Kirby | Director | 29 Jul 2019 | 23 May 2025 | British | 45 years |
| Anthony Bruce Cornwell | Director | 3 Sept 1993 | 1 Mar 1996 | British | 83 years |
| Anthony Rissington Turner | Director | 18 Dec 1992 | 5 Mar 1994 | British | 84 years |
| Christopher Rajendran Hyman | Director | 30 Jul 1998 | 15 Oct 2002 | British | 63 years |
| Clive Stephen Barton | Director | 17 Jan 2005 | 10 Dec 2007 | British | 61 years |
| Clive Stephen Barton | Director | 15 Feb 2000 | 3 Sept 2002 | British | 61 years |
| Darryn Stanley Gibson | Director | 23 Jul 2008 | 16 May 2012 | New Zealander | 61 years |
| Darryn Stanley Gibson | Director | 16 Mar 2001 | 9 May 2003 | New Zealander | 61 years |
| David Anthony Wellman | Director | 19 Jun 2006 | 19 Jun 2006 | British | 80 years |
| David Charles Eveleigh | Secretary | 25 Jun 2022 | 15 Sept 2023 | - | - |
| David Ernest Perkins | Director | 24 Apr 1992 | 5 Mar 1994 | British | 79 years |
| David Joel | Director | 26 Jun 2000 | 31 Oct 2002 | British | 68 years |
| David Watt Mcghie | Director | 26 Jun 2000 | 9 Jun 2005 | British | 73 years |
| Derek Peters | Director | 15 Feb 2000 | 31 Mar 2002 | British | 81 years |
| Elizabeth Michelle Benison | Director | 28 Aug 2015 | 30 Sept 2017 | British | 59 years |
| Everton Bryan | Director | 3 Jun 1993 | 1 Nov 1995 | British | 67 years |
| Everton Bryan | Director | 6 Nov 1995 | 1 Apr 1999 | British | 67 years |
| Everton Bryan | Secretary | 5 Mar 1994 | 1 Nov 1995 | British | - |
| Francesca Anne Todd | Secretary | 9 Jun 2000 | 31 May 2006 | British | - |
| Frederick Arthur Charles Williams | Director | 24 Apr 1992 | 31 Jul 1992 | British | 94 years |
| Gavin Hill | Director | 27 Jul 2006 | 23 Apr 2010 | British | 58 years |
| George Gowans Gray | Director | 24 Apr 1992 | 5 Mar 1994 | British | 88 years |
| Gerrard Rodgers | Director | 5 Mar 1994 | 3 Mar 2000 | British | 78 years |
| Glenys Wellman | Director | 19 Jun 2006 | 19 Jun 2006 | British | 82 years |
| Glenys Wellman | Secretary | 19 Jun 2006 | 19 Jun 2006 | British | - |
| Gordon Allan Paterson | Director | 15 Feb 2000 | 2 Dec 2005 | British | 66 years |
| Gordon Bryden | Director | 24 Apr 1992 | 5 Mar 1994 | British | 69 years |
| Grant Rumbles | Director | 29 Oct 2001 | 25 Mar 2008 | British | 68 years |
| Guy William Leach | Director | 12 Oct 1998 | 31 Oct 2018 | British | 63 years |
| Ian William Pigden | Director | 15 Feb 2000 | 4 Dec 2002 | British | 60 years |
| Ian Wilson Downie | Director | 3 Jun 1993 | 1 Apr 2010 | British | 71 years |
| Iestyn Milton Williams | Director | 24 Apr 1992 | 5 Mar 1994 | British | 75 years |
| James Lawless | Director | 5 Sept 1995 | 9 Jun 2000 | British | 70 years |
| Jeremy John Stafford | Director | 1 Jul 2011 | 18 Nov 2013 | British | 64 years |
| Joanne Roberts | Director | 17 Jan 2005 | 6 Apr 2010 | British | 57 years |
| John Brynley Wyke | Director | 25 Feb 1993 | 5 Mar 1994 | New Zealnad | 75 years |
| John Brynley Wyke | Director | 5 Sept 1995 | 15 Feb 2000 | New Zealnad | 75 years |
| John Daniel Michael Jeffery | Director | 24 Apr 1992 | 21 Jul 2003 | British | 77 years |
| John Mcgrory | Director | 27 Apr 1995 | 19 Nov 1997 | British | 72 years |
| Josephine Dixon | Director | 15 Feb 2000 | 22 Jul 2002 | British | 67 years |
| Julia Naomi Cavanagh | Director | 15 Feb 2000 | 15 Aug 2005 | British | 60 years |
| Kevin David Craven | Director | 28 Aug 2015 | 14 Apr 2021 | British | 65 years |
| Kevin Gregory Lavery | Director | 12 Sept 2006 | 3 Jul 2008 | British | 66 years |
| Kevin Richard Thomas | Director | 24 Oct 1995 | 1 Jun 1997 | British | 72 years |
| Kevin Stanley Beeston | Director | 18 Dec 1992 | 5 Mar 1994 | British | 64 years |
| Kevin Stanley Beeston | Director | 29 Jan 1998 | 26 Apr 2001 | British | 64 years |
| Leslie Harvey Aston | Director | 24 Apr 1992 | 1 Mar 1996 | British | 86 years |
| Lucy Kate Germanda Adams | Director | 28 Jun 2004 | 10 Dec 2007 | British | 62 years |
| Malcolm Alexander Vickers | Director | 1 Mar 1996 | 25 Sept 1996 | British | 71 years |
| Mark Winston Irwin | Director | 14 Apr 2021 | 1 Jan 2023 | Australian | 61 years |
| Michael Lawrence O'hagan | Director | 24 Apr 1992 | 5 Mar 1994 | British | 91 years |
| Michael Peter Brown | Director | 18 Aug 2005 | 31 Aug 2010 | British | 70 years |
| Michael Stuart Walker | Director | 5 Sept 1995 | 6 Feb 1997 | British | 73 years |
| Nazim Girnary | Director | 14 Apr 2021 | 19 Aug 2025 | British | 47 years |
| Neil Hayward | Director | 16 Feb 2000 | 8 Oct 2004 | British | 61 years |
| Nicholas James Forster Brown | Director | 1 Jan 2007 | 16 May 2012 | British | 67 years |
| Nicholas John Stewart | Director | 15 Feb 2000 | 23 Sept 2002 | British | 66 years |
| Nickesha Graham-burrell | Secretary | 15 Sept 2023 | 1 Oct 2025 | - | - |
| Nigel Crossley | Director | 18 Sept 2015 | 14 Apr 2021 | British | 63 years |
| Norman Pounder | Director | 24 Apr 1992 | 27 Apr 1995 | English | 90 years |
| Paul Kehoe | Director | 5 Sept 1995 | 31 Jul 1997 | British | 67 years |
| Peter Anthony Casey | Director | 24 Apr 1992 | 3 Mar 1993 | British | 74 years |
| Peter John Holden | Director | 26 Jun 2000 | 9 Jun 2005 | British | 72 years |
| Phillip John Edwards | Director | 5 Mar 2001 | 20 May 2005 | British | 77 years |
| Raymond William Pocock | Director | 24 Apr 1993 | 31 Jul 1993 | British | 96 years |
| Richard David Judge | Director | 16 May 2012 | 24 Nov 2015 | British | 51 years |
| Richard Michael Nicholls | Director | 24 Apr 1992 | 5 Mar 1994 | British | 77 years |
| Robert Clayton Mcguiness | Director | 15 Oct 2002 | 1 Apr 2010 | British | 75 years |
| Ronen Ilan | Secretary | 12 Oct 1998 | 9 Jun 2000 | British | - |
| Ruby Mcgregor-smith | Director | 6 Nov 1995 | 30 Apr 2000 | British | 63 years |
| Ruby Mcgregor-smith | Secretary | 6 Nov 1995 | 12 Oct 1998 | British | - |
| Serajul Islam Taiyeb | Director | 9 May 2003 | 15 Oct 2008 | British | 70 years |
| Serco Corporate Services Limited | Corporate Secretary | 31 May 2006 | 8 Oct 2021 | United Kingdom | - |
| Stephen Michael Cuthill | Director | 15 Feb 2000 | 4 Jan 2005 | British | 79 years |
| Stephen Ronald Hill | Director | 29 Jul 2003 | 27 Jul 2006 | British | 58 years |
| Stuart John Haydon | Secretary | 8 Oct 2021 | 25 Jun 2022 | - | - |
| Thomas Clement | Director | 1 Nov 1995 | 6 Nov 1995 | British | 79 years |
| Thomas Clement | Secretary | 1 Nov 1995 | 6 Nov 1995 | British | - |
| Thomas Richard Phineas Riall | Director | 9 Jun 2005 | 8 Mar 2013 | British | 66 years |
| Timothy Charles Lawlor | Director | 16 May 2012 | 13 Aug 2015 | British | 56 years |
| William Edward Green | Director | 18 Dec 2000 | 29 Jan 2002 | British | 64 years |
| William Roxby Robson | Director | 15 Feb 2000 | 6 Dec 2002 | British | 75 years |
| William Wright Mcnaught | Director | 26 Jun 2000 | 30 Sept 2002 | British | 81 years |