Gillian became a partner in 2008, and her practice focuses on insurance defence litigation with an emphasis on products liability, coverage issues, personal injury and general negligence. Gillian has attended trial both in the Federal Court of Canada and the Ontario Superior Court of Justice. She has also appeared in various levels of Court including the Ontario Court of Appeal and the Ontario Divisional Court.
In recent years, Gillian has participated in two lengthy inquests one of which examined the use of force exercised by private security guards during arrests. The jury's recommendation in the Patrick Shand Inquest ultimately led to the amendments to the Private Investigators and Security Guards Act which came into effect in August of 2007.