Grant Worden

John Georgakopoulos B.Sc. (Hons.), M.Sc., LL.B., is a Partner at Willms & Shier Environmental Lawyers LLP and is a Certified Specialist in Environmental Law by the Law Society of Ontario. John resolves complex environmental legal issues for clients, uniquely drawing on his technical knowledge as a former senior environmental scientist with Ontario’s environmental regulator. John has particular expertise advising property developers, REITs, industrial manufacturers, and municipalitie...

Brendan van Niejenhuis is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Class Action Litigation and Corporate and Commercial Litigation. Brendan, who practices law in Toronto, Ontario, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brendan is held by other top lawyers in the same geographic and legal practice area.

Jordan has acted for clients before judges, juries and arbitrators throughout Ontario. He represents licensed professionals, professional associations, insurance companies, and both private and public corporations across issues spanning general commercial, tort, professional responsibility, administrative and public law litigation. In particular, Jordan: routinely advises corporations on all manner of disputes, including corporate governance and commercial litigation engagements; was lead cou...

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...

Ambie Edgar-Chana is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Ambie, 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 Ambie is held by other top lawyers in the same geographic and legal practice area.

Darrell Jarvis’s business law practice is focused on franchising, distribution, leasing and construction, with a focus on the retail and hospitality sectors. Darrell has extensive experience advising franchisors with respect to disclosure documents, franchise agreements, default enforcement, insolvent franchisees and the purchase and sale of franchised businesses. Darrell has extensive experience with respect to non-traditional franchises in highway facilities, hospital and educational ...

Mark Rowlinson advances the interests of workers in his international law, trade law and labour law practice. He also advocates in the area of climate and the environment. Mark joined the firm after a 26-year career with one of Canada’s largest private sector trade unions. He has decades of experience in litigating a wide variety of labour law cases before labour boards, arbitrators and in the courts across Canada. He has also litigated labour cases under Canada’s trade agreements...

Rosalind Cooper is one of the leading and most widely-recognized environmental lawyers in Canada. She defends environmental charges, and litigates contaminated land and other environmental disputes before all levels of court. Rosalind is also involved in appeals and environmental assessment proceedings before the Environmental Review Tribunal and provides regulatory advice in all areas of environmental law. She is also a recognized environmental mediator and certified by the Law Society as an...

Rick Bickhram is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Rick, who practices law in Mississauga, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rick is held by other top lawyers in the same geographic and legal practice area.

Brian R. Carr, LLB is of Counsel in Thorsteinssons’ Toronto office. He holds a B.Sc. (1970) and an LL.B. (1973) from the University of Toronto. Mr. Carr is a former Chair of the Canadian Tax Foundation, a Past-Chair of the National Taxation Law Section of the Canadian Bar Association and former Co-Chair and Member of the CBA/CICA Joint Committee on Taxation. He is a Past-Chair of the legislative subcommittee of the Taxation Section of the Ontario Bar Association. He is currently Co-Chai...