J. Brian Casey FCIArb

Matthew Gardner B.Sc. (Hons.), 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. Matthew practices environmental law and environmental litigation. He provides advice and solutions about environmental due diligence and compliance to a wide range of clients including industrial corporations, the construction and land development sectors and municipalities. Matthew also provides advice and solutio...

Gerald Chan is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice, Criminal Defence and Privacy and Data Security Law. Gerald, who practices law in Toronto, Ontario, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gerald is held by other top lawyers in the same geographic and legal practice area.

Elizabeth is a partner of Lerners LLP who has practiced civil litigation since being called to the bar in 1995. Her work focuses on claims arising out of sexual and physical abuse. Her experience also extends to discrimination and harassment claims, professional negligence, health and employment-related matters, and commercial disputes. She has acted in a number of significant cases, including the public inquiry into water safety in Walkerton, Ontario on behalf of the Medical Officer of Healt...

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...

Jenny P. Mboutsiadis is a seasoned tax litigator with over two decades of trial experience as lead counsel. She has extensive successful experience arguing tax cases in the Tax Court of Canada, the Ontario Superior Court of Justice, the Federal Court, and the Federal Court of Appeal. Jenny provides clients with exceptional knowledge on resolving tax disputes with Canadian tax authorities, from the start of a tax audit to trial. Her practice focuses on corporate tax matters, including transfer...

Ingrid VanderElst is co-chair of the Ontario region’s Life Sciences group. Regularly assisting clients in the health products and related service industries, Ingrid advises on regulatory and intellectual property issues. Clients include pharmaceutical, natural health product, medical device, cosmetic and food manufacturers, as well as pharmacy and laboratory services providers and agri-business operators. On the regulatory side, Ingrid has assisted clients with product licensing, establ...

Stuart Brotman is Co-Leader of the firm's Insolvency and Restructuring Group. Acting in all nature of insolvency proceedings, Stuart assists clients in bankruptcy, receivership and restructuring under the Companies' Creditors Arrangement Act (CCCA), the Bankruptcy and Insolvency Act , the Canada Business Corporations Act and the Winding-up and Restructuring Act . Stuart has considerable cross-border experience, having advised clients under the CCAA and Chapter 15 of the United States Bankrupt...

Christopher D. Hicks is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defence. Christopher D., 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 Christopher D. is held by other top lawyers in the same geographic and legal practice area.

Kevin Yip has a broad income tax practice focusing on all aspects of domestic and international tax planning, corporate reorganizations, and mergers and acquisitions. Kevin also regularly assists clients in transfer pricing, real estate transactions, corporate financing and executive compensation plans. Kevin regularly advises clients on cross-border transactions and has experience advising investment funds, banks, insurance companies, and technology companies structure investments into Canad...

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