In 1990, he became a
recorder, and on 25 October 1993 was appointed a
High Court judge, serving in the
Queen's Bench Division, and received the customary
knighthood. and appointed to the
Privy Council. He was
introduced in the
House of Lords on 12 October 2005. On 1 October 2009, he and nine other Lords of Appeal became
Justices of the
Supreme Court upon that body's inauguration. In a speech to the
Hoge Raad in The Netherlands in 2013, Lord Mance described the creation of the Supreme Court as the consequence of a "back of an envelope plan", which "took some years to straighten out". He has also served as chairman of the Banking Appeals Tribunal (1992–93), chairman of the Consultative Council of European Judges (2000), president of the British Insurance Law Association (2000–02) and trustee of the European Law Academy (2003). He was sworn into the new position on 2 October 2017. He retired from the Supreme Court on 6 June 2018. ==Other appointments==