| Aderemi Ladega | Secretary | 27 Sept 2007 | 1 Jul 2008 | British | - |
| Alan Philip Martin | Director | 17 Dec 2010 | 1 Jul 2022 | British | 55 years |
| Alison Sheila Young | Director | 2 Nov 2017 | 30 Nov 2023 | British | 61 years |
| Andrew James Alexander Mcauslan | Director | 1 Jul 2009 | 22 Nov 2010 | British | 65 years |
| Christina Campbell Verchere | Director | 10 May 2014 | 1 Mar 2018 | American | 55 years |
| David George Dalton | Director | 1 Jul 2009 | 22 Nov 2010 | British | 70 years |
| Emma Louise Delaney-mc Knight | Director | 27 Feb 2015 | 1 May 2017 | Irish | 53 years |
| James Stephen Blythe | Director | 26 Nov 2010 | 1 Dec 2014 | British | 71 years |
| John Harold Bartlett | Director | 26 Nov 2010 | 1 Jan 2016 | British | 73 years |
| John Murphy Brame | Director | 11 Jun 2014 | 30 Apr 2018 | American | 65 years |
| Kenilworth Oil Company Limited | Corporate Director | 27 Sept 2007 | 27 Sept 2007 | United Kingdom | - |
| Martin Robert Illingworth | Director | 26 Nov 2010 | 31 Jan 2014 | British | 69 years |
| Melrose Oil Trading Company Limited | Corporate Director | 27 Sept 2007 | 27 Sept 2007 | United Kingdom | - |
| Michael Christopher Daly | Director | 1 Jul 2008 | 1 Jul 2008 | British | 73 years |
| Michael Christopher Daly | Director | 1 Jul 2008 | 1 Jul 2009 | British | 73 years |
| Michael Edmund Townshend | Director | 1 Apr 2009 | 22 Nov 2010 | British | 68 years |
| Nader Zaki | Director | 1 Mar 2018 | 1 Jul 2022 | Egyptian | 53 years |
| Namig Aliyev | Director | 1 Jul 2022 | 1 Dec 2023 | British | 48 years |
| Robert Carl Fearnley | Director | 27 Sept 2007 | 22 Nov 2010 | British | 63 years |
| Sandra Jean Macrae | Director | 1 Jan 2016 | 28 Aug 2020 | British | 63 years |
| Steven Graham Peacock | Director | 1 Jul 2008 | 1 Apr 2009 | British | 69 years |
| Svetlana Pereverzeva | Director | 30 Apr 2018 | 22 Mar 2021 | British | 54 years |
| William Wei Lee Lin | Director | 26 Nov 2010 | 10 May 2014 | American | 59 years |
| Xinchao Wu | Director | 1 Jul 2022 | 30 Nov 2023 | American | 60 years |
| Yasin Stanley Ali | Secretary | 1 Jul 2008 | 30 Jun 2010 | Other | - |