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Best Lawyers in Ontario, Canada for Professional Malpractice Law
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Contact UsConsidered by many to be one of Ontario's most respected civil litigators, David Williams practices in the areas of class action litigation, complex commercial litigation and personal injury . Notably, Dave also has a special record of achievement in medical malpractice cases where he has successfully represented plaintiffs. He has also been active in representing Ontario lawyers in litigation supported by LawPro — the Ontario lawyer’s professional liability insurance plan. As a v...
Neil is the Chair of Torkin Manes' Litigation Department and a member of the Torkin Manes Advisory Committee. He also chairs the firm's Health Professionals Group. Neil acts for both plaintiffs and defendants in a variety of legal disputes including contracts, torts, employment law and personal injury.He is particularly experienced in providing counsel to and litigating on behalf of not-for-profit and charitable corporations.Neil has a large number of reported decisions to his credit; however...
Sarah E. Martens is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence and Professional Malpractice Law. Sarah E., who practices law in London, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah E. is held by other top lawyers in the same geographic and legal practice area.
Jodi Murray is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Jodi, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jodi is held by other top lawyers in the same geographic and legal practice area.
Shannon Gaudet is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Shannon, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shannon is held by other top lawyers in the same geographic and legal practice area.
Scott W. Beattie is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Legal Malpractice Law and Professional Malpractice Law. Scott W., who practices law in Hamilton, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott W. is held by other top lawyers in the same geographic and legal practice area.
Peter Wardle is a Partner with the Commercial and Business Litigation and Professional Liability Practice Groups at Singleton Urquhart Reynolds Vogel LLP. Peter has built his reputation as a recognized and trusted advocate over more than 35 years representing parties in commercial disputes involving contract interpretation, shareholder and partnership obligations, securities, directors’ and officers’ liability, professional negligence, construction, estates, and real estate. Peter...
Valerie is a senior member of our Litigation Group and is a highly respected member of the litigation bar. In addition to her extensive experience as trial counsel, she has appeared as appellate counsel before both the Ontario Court of Appeal and the Supreme Court of Canada. With more than 25 years of experience at the Bar, Valerie has demonstrated established expertise in damages analysis, including business loss claims, business and share valuations, and real property valuations. She has ex...
Adriana I. Cargnello is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Professional Malpractice Law. Adriana I., who practices law in Ottawa, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adriana I. is held by other top lawyers in the same geographic and legal practice area.
Stephen Ronan is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law and Professional Malpractice Law. Stephen, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen is held by other top lawyers in the same geographic and legal practice area.
Yola S. Ventresca is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation, Health Care Law, Medical Negligence and Professional Malpractice Law. Yola S., who practices law in London, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yola S. is held by other top lawyers in the same geographic and legal practice area.
Ruba El-Sayegh is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. Ruba, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ruba is held by other top lawyers in the same geographic and legal practice area.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.