Mr Justice Chamberlain was born and brought up in Edinburgh. After a university education in Oxford and London, he was called to the Bar in 1997. He specialised in public law, human rights, EU and international law. He appeared as counsel in the UK, the Court of Justice of the European Union and the European Court of Human Rights.
Mr Justice Chamberlain was a member of the Attorney General’s panels of counsel and acted for and against the Crown and other public bodies. He served as a Special Advocate in national security proceedings and was appointed a QC (now KC) in 2013 and a Deputy High Court Judge in 2016. He was Chair of the Constitutional and Administrative Law Bar Association. He became a High Court Judge in October 2019 and is a Bencher of the Middle Temple.