| Amanda Padfield | Director | 21 Mar 2011 | 13 Dec 2016 | British | 58 years |
| Barry Paul Millsom | Director | 13 Feb 2012 | 31 Oct 2013 | British | 52 years |
| Barry Paul Millsom | Director | 31 Oct 2012 | 31 Oct 2013 | British | 52 years |
| Belinda Faith Knox | Director | 13 Apr 2016 | 1 Sept 2023 | British | 54 years |
| Bevan William Watson | Director | 21 Mar 2011 | 1 Jul 2011 | American | 47 years |
| Christophe Andre Bernard Chapron | Director | 25 Oct 2010 | 4 Apr 2011 | French | 62 years |
| Eiichiro Higashiyama | Director | 9 Mar 2015 | 24 Jul 2017 | Japanese | 56 years |
| Florent Thierry Antoine Duval | Director | 13 Dec 2016 | 8 Nov 2021 | French | 50 years |
| Graham Arthur Mckenna-mayes | Director | 7 Mar 2014 | 28 Jun 2021 | British | 58 years |
| Graham Arthur Mckenna-mayes | Director | 25 Oct 2010 | 4 Apr 2011 | British | 58 years |
| Gregor Scott Jackson | Director | 20 Apr 2015 | 10 Apr 2019 | British | 52 years |
| Hajime Ichishi | Director | 30 Mar 2011 | 26 Apr 2012 | Japanese | 51 years |
| Helen Mary Murphy | Director | 30 Sept 2012 | 8 Oct 2014 | Irish | 45 years |
| Ian Anthony Sexton | Director | 22 Jun 2011 | 31 Mar 2020 | British | 70 years |
| Johan Hendrik Potgieter | Director | 31 Oct 2012 | 31 Oct 2012 | South African | 45 years |
| Johan Hendrik Potgieter | Director | 31 Oct 2013 | 12 Jul 2018 | South African | 45 years |
| Masashi Kanai | Director | 22 Jun 2021 | 1 Apr 2023 | Japanese | 54 years |
| Matthew Templeton | Director | 10 Apr 2019 | 18 Sept 2020 | British | 53 years |
| Moira Turnbull-fox | Director | 13 Feb 2012 | 30 Nov 2012 | British | 55 years |
| Paul Gavin | Director | 21 Mar 2011 | 7 Mar 2014 | British | 60 years |
| Paul Richard Lonsdale | Director | 1 Jul 2011 | 13 Feb 2012 | British | 62 years |
| Sita Uk Limited | Corporate Secretary | 25 Oct 2010 | 23 Mar 2011 | United Kingdom | - |
| Steven Marc Prior | Director | 30 Sept 2012 | 20 Jun 2017 | British | 54 years |
| Steven Paul Fraser | Director | 21 Mar 2011 | 13 Feb 2012 | British | 63 years |
| Steven Paul Fraser | Director | 17 Oct 2014 | 31 Mar 2015 | British | 63 years |
| Tsuneharu Hibino | Director | 26 Apr 2012 | 13 Apr 2016 | Japanese | 50 years |
| Yuji Suzuki | Director | 24 Jul 2017 | 22 Jun 2021 | Japanese | 56 years |