Mathews Dinsdale Welcomes Gemma Walsh to the Firm
Mathews Dinsdale is pleased to announce that Gemma Wlash has joined the Firm as an Associate in our Vancouver office.
May 20, 2026
Counsel announcement
Canada’s leading litigation firm continues to expand its health law expertise with the addition of Sherry-Maria Ghaly as Counsel.
July 2, 2025
Sherry-Maria Ghaly’s practice focuses exclusively on health law. She has extensive experience representing health care professionals across a wide range of matters, including medical negligence, privacy challenges, proceedings before the College of Physicians and Surgeons of Ontario, and other administrative and regulatory issues.
Prior to joining the firm, Sherry-Maria served as Legal Counsel at The Hospital for Sick Children, where she advised on regulatory compliance, risk mitigation and contract negotiation. She also represented the hospital in arbitration, as well as before the Ontario Human Rights Tribunal, and supported its professional healthcare staff in navigating regulatory inquiries. Earlier in her career, Sherry-Maria practiced at a national law firm, where she gained experience litigating professional negligence claims, complex commercial disputes, and other regulatory and constitutional matters.
Welcome, Sherry-Maria!
Widely recognized as Canada's leading litigation practice, Lenczner Slaght has successfully represented clients' interests in some of the country's most complex and high-profile cases. Our lawyers are distinguished by their depth of courtroom experience, appearing at all levels of the courts, before tribunals, and in mediation and arbitration proceedings. We're also known for our wealth of talent: Lenczner Slaght partners, ranked among the best of their peers nationally, recruit and mentor gifted litigators who uphold the highest professional standards. From commercial disputes and class actions to professional regulation and cross-border matters, we bring expert strategy to all areas of litigation.
View All Announcements by This Firm
Mathews Dinsdale is pleased to announce that Gemma Wlash has joined the Firm as an Associate in our Vancouver office.
May 20, 2026
The Toronto Lawyers’ Association is thrilled to welcome our new Board President, Robin McKechney for the 2026-2027 term
May 19, 2026
Ariyana Dhawan has joined Jiwaji Law as Counsel & Barrister
May 19, 2026