Kaleigh Zimmerman

James Renihan is a partner on our litigation and disputes team based in Toronto. He is a highly effective, creative, and skilled commercial litigator, with significant courtroom experience. James' practice encompasses a broad range of commercial and civil litigation matters. He has experience representing corporate and individual clients in matters involving contracts, director and officer liability, fraud, shareholder rights, commercial real estate and franchise relationships, as well as emp...

A skilled advocate who appreciates that there is no ‘one size fits all’ resolution to a family law case, Joseph prides himself on taking a tailored approach to serving his clients to ensure that their rights and interests are protected. Joseph is passionate about providing his clients with timely, efficient and cost-effective representation, with an emphasis on effective negotiation. Clients appreciate his keen attention to detail, pragmatic approach, and ability to ‘drill d...

Kyle is a partner practicing in the firm’s Toronto office. Kyle’s practice focuses on Canadian tax planning for businesses, individuals, and trusts, with a particular emphasis on owner-managed businesses, cross-border issues, high net worth families, and professionals. He advises on all aspects of domestic and international tax law, including corporate structuring and reorganizations, private wealth and estate planning, business succession planning, immigration/emigration, purchas...

For over 30 years, trade unions have relied on Steven Barrett to represent their interests, and the interests of their members, in all types of legal proceedings. Grievance and interest arbitration, labour relations board applications, collective bargaining – Steven does it all and makes it look easy. That’s why a member of parliament once referred to Steven as “the Wayne Gretzky of labour law”. From protecting the scope of bargaining unit work, to challenging discipli...

Brenda Gross is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Brenda, who practices law in Toronto, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brenda is held by other top lawyers in the same geographic and legal practice area.

Brian joined Zarek Taylor Grossman Hanrahan LLP in 2009 and was admitted into the partnership in 2015. He is a co-chair of the Special Investigations practice group. Brian graduated with distinction from the University of Toronto in 2002 with an Honours Bachelor of Science in Human Biology. He completed his law degree at the University of Western Ontario in 2005 and was called to the Bar in 2006. Brian's primary practice encompasses all areas of automobile insurance defence litigation includi...

Andrea works with lawyers ( inhouse , domestic and foreign) to help navigate the patent, trademark, copyright and industrial design regulatory regimes. She is peer recognized for specialty intellectual property expertise in Chambers ( Global and Canada) , WTR 1000, Best Lawyers, Lexpert and Who’s Who Legal. Andrea is Bar certified in Ontario, Quebec, ( Canada) and Massachusetts (U.S.), and is also registered with CPATA as a patent agent and as a trademark agent. In addition, she is an a...

Brahm is a senior partner at Nathens, Siegel, LLP, a family law and divorce boutique firm with offices in Toronto and Mississauga. Brahm received his Bachelor of Arts with First Class Honours from McGill University in 1990, his law degree from Queen’s University Faculty of Law in 1993, and was called to the Bar in 1995. Certified as a Specialist in Family Law by the Law Society since 2008, Brahm co-authored McLeod’s Ontario Family Law Rules Annotated for ten years and is the consu...

Thomas Gertner is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. Thomas, 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 Thomas is held by other top lawyers in the same geographic and legal practice area.

Lionel Tupman is a top attorney recognized by Best Lawyers in the practice area(s) of Professional Malpractice Law and Trusts and Estates. Lionel, 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 Lionel is held by other top lawyers in the same geographic and legal practice area.