Stephen John Gageler was appointed to the High Court in October 2012, at which time he was Commonwealth Solicitor-General. He was then appointed as Chief Justice on 6 November 2023. He is a graduate of the Australian National University and has post-graduate qualifications from Harvard University. He was admitted as a barrister of the Supreme Court of New South Wales in 1989 and was appointed Senior Counsel in 2000. Before his appointment as Solicitor-General in 2008, he practised as a barrister extensively throughout Australia principally in constitutional law, administrative law and commercial law.