Lord Thomas has been President of the Qatar International Court since 2018.
Lord Thomas was called to the Bar of England and Wales in 1969, becoming a Queen’s Counsel in 1984. In 1996, he was appointed a High Court Judge and was assigned to the Queen’s Bench Division, serving on the Commercial Court. In 2003, he became a Lord Justice of Appeal and was appointed to the Privy Council. He served as the Senior Presiding Judge from 2003 to 2006.
In 2008, he was appointed Vice President of the Queen’s Bench Division and Deputy Head of Criminal Justice. In 2011, he became President of the Queen’s Bench Division. Thereafter, in 2013, he succeeded Lord Judge as Lord Chief Justice of England and Wales. He retired from that post in 2017, prior to taking up the present position in Qatar where he succeeded Lord Phillips of Worth Matravers.
Lord Thomas holds several extra-judicial posts, including as Honorary Fellow of Trinity Hall, Cambridge and Fellow of the Universities of Cardiff, Aberystwyth, Swansea and Bangor and Honorary Doctor of Law of the Universities of South Wales, the West of England, Wales and of Cardiff Metropolitan University. He is a Fellow of the Learned Society of Wales.
In 2016, he formed the Standing International Forum of Commercial Courts. He was appointed Chairman of the Financial Markets Law Committee in November 2017. He has been Chancellor of Aberystwyth University since January 2018.