Margaret Nixon

Jennifer L. Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Jennifer L., who practices law in Toronto, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Alex has a broad practice in all areas of family law, including high conflict parenting issues and complex financial matters. She is a Fellow of the International Academy of Family Lawyers with experience in jurisdictional issues and Hague convention cases. Alex is focused on resolutions. She is a strategic litigator, who has successfully represented clients at all levels of court in Ontario. Wherever possible, she strives to resolve family conflicts out of court through negotiation and alter...

Michael Lang is a senior partner with 40 years' experience practising corporate and securities law, with a particular emphasis on capital markets transactions, mergers and acquisitions, corporate governance and public company compliance matters. Mr. Lang has served on and acted as counsel to several “blue ribbon” committees examining securities regulatory policy issues, including the Investment Dealers Association of Canada’s Committee on Take-Over Bid Regulation (Zimmerman ...

Ron Davidson is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Ron, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ron is held by other top lawyers in the same geographic and legal practice area.

Corina Weigl is Co-Leader of the Private Client Service group. Her practice is focused on estate and family business succession planning. She develops customized strategies for wills, trusts, and tools designed to protect a client's property, such as domestic contracts, Corina leverages legal and tax regimes to protect multi-jurisdictional property and family interests. She is also active in the Firm, having recently held the positions of Chair of the Firm’s Professional Development Com...

Esther S.J. Oh practices charity and not-for-profit law out of Carters Professional Corporation’s Orangeville office, became a partner in 2008, and is recognized as a leading expert in charity and not-for-profit law by Lexpert and The Best Lawyers in Canada . Her practice is primarily focused in the areas of charity and not-for-profit law, including incorporation and organization of charities and not-for-profits, corporate governance procedures, national and international corporate rest...

David Rosenbaum practices in the areas of civil litigation and health law. He has assisted clients in all types of commercial litigation, as well as estate litigation and insurance litigation and he provides advice on health regulatory matters. David represents clients in commercial disputes, including large commercial fraud cases. His extensive experience dealing with complex legal and factual issues includes acting in several large cases involving disputes arising from commercial lease fina...

Craig is a partner in our Trusts & Estates and Litigation Groups and is certified by the Law Society of Upper Canada as a Specialist in Estates and Trusts Law. His practice includes all aspects of estate, trust, capacity, fiduciary and power of attorney disputes and litigation for clients consisting of individuals, trust companies, government agencies and other organizations. Craig provides counsel on, amongst other things, the rights and obligations of estate trustees, estate trustees du...

Karen Sargeant is Managing Partner of the Firm’s Ontario Region, with primary responsibility for leadership of the Firm’s Toronto and Ottawa offices. As Regional Managing Partner, Karen spearheads the region’s strategic direction, setting the highest standards for legal service delivery. Her leadership centres on fostering an environment that develops exceptional talent, promotes diversity, encourages innovation and prioritizes client service excellence. In her legal practic...

Jonathan Ptak is a partner in the firm’s class action group. His practice focuses on class proceedings, professional liability defence and commercial litigation. He regularly appears before Courts at all levels in Ontario, including the Superior Court, Divisional Court and Court of Appeal. Jon is recognized by Lexpert, Chambers Canada and Best Lawyers as a leading practitioner in class proceedings. He has also been appointed to sit on the Ontario Class Action Bench-Bar Liaison Committee...