Susan Lang

Susan Elizabeth Lang, is a retired Canadian judge who served on the Court of Appeal for Ontario from 2004 to 2013. She is best known for conducting the Independent Review of the Motherisk Hair Analysis laboratory, which exposed serious flaws in forensic hair testing used in child protection and criminal proceedings in Ontario. Early life and education

Lang was born in Sault Ste. Marie, Ontario. She attended Osgoode Hall Law School and was called to the Ontario Bar in 1976. Legal career

Before her appointment to the bench, Lang practised primarily in family law. She was a co-founder of Lang Ireland, an all-women law firm in Toronto, Ontario. Judicial career

Lang was appointed to the District Court of Ontario on 21 February 1989. Following the merger of Ontario's courts in 1990, she became a judge of the Ontario Court (General Division), which was later renamed the Superior Court of Justice. She served as Toronto Regional Senior Judge from 1996 to 1999.

During her tenure on the Superior Court, Justice Lang was the first woman to serve as president of the Canadian Superior Courts Judges Association. She also served as president of the Ontario Superior Court Judges' Association.

In 2004, Lang was elevated to the Court of Appeal for Ontario. She retired from the Court of Appeal in 2013.

Lang submitted her report to the Attorney General of Ontario on 15 December 2015. The review concluded that the hair testing used by the laboratory was "inadequate and unreliable for use in child protection and criminal proceedings" and that the laboratory "did not meet internationally recognised forensic standards".

Lang is a Senior Fellow of Massey College at the University of Toronto.