Keith Matthee obtained his BA LLB at the University of Natal. He was admitted as an advocate in 1979. He left law in 1979 for eight years to work for the Student Christian Association and then for the Methodist Church. During this period he worked on various university campuses in South Africa. From 1981 to 1982 he was based at St Aldates, Oxford. In 1987 he obtained a Bachelor of Divinity degree from Rhodes University, majoring in New Testament Studies and Hellenistic Greek.
He returned to the bar as an advocate in 1987. Since 1991 he has served in an adjudicating role in various forums, including serving as an arbitrator, a presiding officer in the Industrial Court, an assessor in the Labour Appeal Court, and on a number of occasions as an Acting Judge in the High Courts of Port Elizabeth, Grahamstown, East London, Mthatha, Cape Town and Gauteng.
He has appeared in all the courts of South Africa, including the Constitutional Court and the Supreme Court of Appeal. In 2002 he was appointed as Senior Counsel by President Mbeki. In 2007 he relocated from the Eastern Cape to Cape Town and for a number of years was a member of the Cape Town Bar.
At present he is researching philosophical and ethical issues related to the Bill of Rights.
He married Roslyn Dorrington in 1980. They have two married sons and a daughter, five granddaughters and one grandson. He stays fit by running, marathon horse rides and hoping that the Sharks rugby team will win more finals! He and his wife now live in Greyton.