Lewis Francis Wyvill was appointed to the Anti-Discrimination Tribunal in June 1999. At the time he was a barrister in private practice.

After 2 years and 4 months service in the RAAF between 1944 and 1946, he returned to civilian life and later, after matriculating under the Commonwealth reconstruction Training Scheme, attended the University Of Queensland.

He graduated with a Bachelor of Arts and Bachelor of Laws in 1956 and was admitted to practice as a barrister in the Supreme Court of Queensland in November 1956. Later he was admitted to practice in the High Court of Australia and the Supreme Court of the Northern Territory and practised in all jurisdictions, mainly in the areas of common law, criminal law and administrative law. He was appointed a Queens Counsel in November 1983.

Between June 1988 and March 1991 he (with others) conducted inquiries into Aboriginal deaths in custody in Australia between 1 May 1980 and 31 May 1989.

Between August 1992 and August 1996 he was a part-time Commissioner of the Criminal Justice Commission. On two occasions, in November/December 1992 and between May 1995 and January 1996, he acted in the full-time position of Chairperson of the Commission. He was a Commissioner of Police Service Reviews between October 1992 and August 1996.