Sir Mark Waller was appointed to the Queen’s Bench Division of the High Court of Justice in 1989, being awarded the customary knighthood, and served until 1996. He was Presiding Judge of the North Eastern Circuit from 1992 to 1995. He was appointed to the Court of Appeal on 1 October 1996, and appointed a Privy Counsellor at that time. He served as Chairman of the Judicial Studies Board from 1999 to 2003, and has served as President of the Council of Inns of Court and the Bar since 2003. He was Vice-President of the Court of Appeal’s Civil Division from 2006 to 2010, when he retired from the bench. He was appointed as Intelligence Services Commissioner from 1 January 2011, renewed for a further 3 years from 1 January 2014.