Lord Hamblen was educated in London, at St John’s College, Oxford, where he was awarded the University’s prestigious Eldon Law Scholarship, and at Harvard Law School, in the USA. He was called to the Bar in 1981 and became a member of 20 Essex Street, practising in shipping, insurance and reinsurance, trade and commodities, and other areas of commercial law. Lord Hamblen was appointed Queen’s Counsel in 1997, and was a Queen’s Bench Judge from 2008 to 2016. He was a Lord Justice of Appeal from 2016 to 2020, when he was appointed to his current position as a Justice of the Supreme Court of the United Kingdom.