Marie Henein
Canada Guide 2025
Band 1 : Crime
Band 1
About
Provided by Marie Henein
Practice Areas
Complex Commercial
Class Actions
Regulatory
Criminal
Career
Ms. Henein is widely recognized as one of the most prominent litigators in Canada, with extensive experience as lead counsel on high-profile criminal, civil, and regulatory cases. In addition to her broad criminal law practice, Ms. Henein’s experience includes acting as lead counsel for plaintiffs and defendants in class actions and in respect of major civil and commercial disputes. Ms. Henein has argued at all levels of court, including the Ontario Court of Appeal and the Supreme Court of Canada.
As litigation counsel in complex criminal, multimillion dollar commercial and civil disputes, she is known for deftly managing challenges, fearlessly navigating crises, and achieving superior results for clients, both in and out of the courtroom.
Ms. Henein received her LL.B. in 1989 from Osgoode Hall Law School and her Masters in Law from Columbia University in 1991. Ms. Henein is the Past President of The Advocates’ Society (2010-2011). She is a fellow of the American College of Trial Lawyers and is one of the founders of the Court of Appeal’s Appellate Duty Counsel Program.