Josh Disenhouse

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...

When police and other first responders are in trouble, they turn to Eugene Mazzuca. For more than 15 years, Eugene has been the first contact for provincial and municipal entities and their insurers accused of false arrest, excessive force, malicious prosecution, negligent investigation, defamation, personal injury, property damage and other serious torts. He also handles claims against security guards as well as roads liability cases and unusual and novel claims for municipal and provincial ...

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

Gerry Gill is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Gerry, 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 Gerry is held by other top lawyers in the same geographic and legal practice area.

John D. Leslie is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. John D., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John D. is held by other top lawyers in the same geographic and legal practice area.

Lara’s practice encompasses Indigenous laws and governance work, Aboriginal and Treaty rights litigation, and constitutional and public law litigation with a focus on equality rights and anti-discrimination law and policy matters. Lara works with First Nations on lands and resource issues and is passionate about advancing Indigenous land and water stewardship, including through Guardians and Indigenous Protected and Conserved Area (IPCA) initiatives. Lara has a background in internation...

Jennifer Teskey is Canadian managing partner, chair of our Canadian Management Committee and a member of our Global Executive Committee. She practises in corporate and commercial litigation, with an emphasis on class actions, securities, accounting, regulatory and energy-related matters. Clients represented by Ms. Teskey include professional regulators, pharmaceutical, financial services, manufacturing, transportation, technology and energy companies. She has appeared before all levels of Ont...

Jacob began his legal career at one of the world’s largest law firms, practicing in the areas of estate and commercial litigation. He then focused exclusively on estate litigation at a well-known boutique firm, eventually becoming a partner, before joining Donovan Kochman LLP. Jacob has acted as section 3 counsel and appeared before various levels of court, including the Superior Court of Justice and the Court of Appeal for Ontario. He is a knowledgeable and tenacious advocate who striv...

John Atchison is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. John, who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Peter Pliszka, a senior partner in Fasken’s Litigation Group, is regarded as one of Canada’s leading litigation lawyers. Peter’s practice is focused primarily on product liability, class action, commercial and insurance litigation matters, and it is national in scope. Peter conducts litigation proceedings across Canada and has appeared at all levels of court in Ontario and other Canadian provinces as well as the Supreme Court of Canada. Peter is Fasken’s Chair-Life Sci...