Sinziana Hennig

Sinziana Hennig partners in the Litigation & Dispute Resolution Group and contributes to the Students Committee at the Toronto branch. She handles class actions and intricate commercial legal battles, with a track record of managing cases related to competition, securities, consumer protection, product liability, and franchise law. Sinziana excels in navigating multi-jurisdictional and cross-border class actions, particularly notable for her capability to achieve early dismissals in securities class actions. Her prowess in commercial litigation spans M&A disputes, intricate contract disagreements, competition and securities litigation, shareholder conflicts, and arbitration.

Her courtroom experience is extensive, having advocated in the Supreme Court of Canada, appellate courts across Ontario, Alberta, Saskatchewan, and superior courts in four provinces, as well as the Federal Court and the Ontario Securities Commission.

Sinziana is actively involved in The Advocates’ Society as a former chair of the Commercial Litigation Practice Group and a current Class Actions Practice Group member. She is also aligned with the Law Society of Ontario, the Ontario Bar Association, the Canadian Bar Association, and the Antitrust Law Section of the American Bar Association. Adding to her profile, she serves as an adjunct lecturer at the University of Toronto Faculty of Law, guiding the Gale Cup Moot teams.

Her foundation was built upon clerking for Justice Rosalie Silberman Abella at the Supreme Court of Canada, and her academic achievements include being named the Vinerian Scholar (proxime accessit) at Oxford for her commendable performance in commercial remedies, financial law, conflict of laws, and international commercial arbitration.

Before law, Sinziana was steeped in biological sciences and organic chemistry, marked by significant research and graduate studies.

Her legal education credentials include a B.C.L. from Oxford with distinction, a J.D. from the University of Toronto, where she was the gold medalist, and a B.Sc. in Biochemistry from McGill University with great distinction. She was admitted to the Ontario Bar in 2012.

In her practice, she has led notable cases like the dismissal of the proposed securities class action against SNC-Lavalin, discontinuance of the proposed securities class action against North American Palladium, and representing Fairstone Financial Holdings Inc. in a landmark litigation recognized for its national impact and strategic significance.