| Charles David Pickup | Director | 16 May 2014 | 20 Feb 2017 | British | 70 years |
| Daniel A Dekeizer | Director | 21 Jul 2008 | 29 Mar 2012 | United States | 63 years |
| David Grant Hargrave | Director | 2 Apr 2007 | 16 Jun 2014 | British | 75 years |
| Deborah Mandel | Director | 11 Jul 2011 | 16 May 2014 | American | 64 years |
| Dermot William Mcdonogh | Director | 16 May 2014 | 20 Feb 2017 | Irish | 62 years |
| Douglas Gordon James Paterson | Director | 16 May 2014 | 31 Dec 2015 | British | 83 years |
| Francis Donnantuono | Director | 26 Feb 2007 | 21 Mar 2011 | United States | 69 years |
| Gary Crofts | Director | 26 Feb 2007 | 8 Aug 2008 | British | 67 years |
| Gemma Grace Cross | Secretary | 22 Mar 2018 | 18 Jan 2019 | - | - |
| Glenn Peter Jonathan Earle | Director | 30 Mar 2015 | 20 Feb 2017 | British | 68 years |
| James John Dickson | Secretary | 16 May 2014 | 22 Mar 2017 | - | - |
| Keith Satchell | Director | 16 May 2014 | 30 Mar 2016 | British | 75 years |
| Naguib Kheraj | Director | 9 Mar 2015 | 20 Feb 2017 | British | 62 years |
| Norman Duncan Cumming | Director | 2 Apr 2007 | 16 May 2014 | British | 70 years |
| Paula Young | Secretary | 28 Jun 2007 | 16 May 2014 | British | - |
| Ray King | Director | 10 Nov 2014 | 23 Mar 2018 | British | 73 years |
| Richard David Antony Berliand | Director | 31 Mar 2015 | 20 Feb 2017 | British | 64 years |
| Robin Alexander De Beir Jarratt | Director | 16 May 2014 | 20 Feb 2017 | British | 54 years |
| Robin Ferraiolo Lenna | Director | 26 Feb 2007 | 16 May 2014 | United States | 70 years |
| Sherif Zakhary | Director | 16 Jan 2007 | 5 Mar 2008 | American | 58 years |
| Sisec Limited | Corporate Secretary | 16 Jan 2007 | 28 Jun 2007 | United Kingdom | - |
| Stanley Jeffrey Talbi | Director | 26 Feb 2007 | 16 May 2014 | United States | 74 years |
| Syed Qasim Abbas | Director | 16 May 2014 | 20 Feb 2017 | British | 50 years |
| Wayne Allan Daniel | Director | 9 Mar 2012 | 16 May 2014 | British | 65 years |