Jan M. Nitoslawski

David is a nationally recognized employment law expert who focuses on the strategic, efficient, and effective resolution of workplace issues and challenges for both employers and employees. He believes that the most productive and successful work environments are those in which both employer and employee are treated with respect. This abiding belief in fairness makes him a compelling advocate in negotiations and in court, rendering David an opponent to be reckoned with. David specializes in a...

Evan Marcus is a partner in the Mergers & Acquisitions, Private Equity, Securities and Capital Markets Groups. His practice is focused primarily on complex corporate and transactional matters, in particular relating to leveraged acquisitions, divestitures, joint ventures, minority investments, financings, restructurings, as well as general corporate and commercial matters. Evan has significant experience advising private equity, financial sponsor and other clients in connection with both ...

Michelle MacGillivray is a labour and employment lawyer who takes a focused, strategic, and practical approach to solving workplace problems. Michelle works to find the most efficient way to resolve issues, or to support employers through major initiatives, including sale and acquisition of businesses, reductions in force, and policy changes. She prides herself on providing proactive, timely, and high-quality advice to her clients to help them manage the litigation and reputational risks that...

With over a decade of experience and a proven track record of success, Erin Ellis is an advocate for survivors of both recent and historical sexual and physical abuse. Erin received her Bachelor of Science degree from Cornell University (2003) and her law degree from Queen’s University (2007). She was called to the Ontario Bar in 2008. Erin represents plaintiffs from across Canada, demanding acknowledgment and compensation for the harms perpetrated or facilitated by individuals and inst...

John's advocacy is tried and tested, having conducted dozens of lengthy and complex arbitrations, trials, and administrative hearings. John has a robust appellate practice, having appeared at the Court of Appeal for Ontario on over 40 appeals and before the Supreme Court of Canada on multiple occasions. John does not shy from challenge. Some of John’s most notable cases are the product of his creative, boundary-testing approach, and passion for applying the law creatively to achieve sen...

Mario Paura is Head of the Toronto office’s Real Estate Group and Co-Head of the National Real Estate Group. He is an active member of the Mergers & Acquisitions Group, co-leader of the Retail Group, and a member of the firm’s Management Committee. Mario has over 25 years of experience focused primarily in the areas of commercial real estate, financing, M&A and commercial leasing. Mario’s diverse and sophisticated real estate practice includes all aspects involving t...

Sean Chambers is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Sean, 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 Sean is held by other top lawyers in the same geographic and legal practice area.

Carlos Martins is a skilled litigator with over 20 years’ experience providing legal advice in diverse sectors. He is a member of the firm’s Commercial Litigation Practice Group and specializes in aviation and defamation law. Prior to joining WeirFoulds in 2020, Carlos was a founding partner of Bersenas Jacobsen Chouest Thomson Blackburn LLP. Carlos has appeared before all levels of court in Ontario, including the Supreme Court of Canada. In addition, he has appeared before variou...

Darin Renton is a partner in the Financial Products & Services and Energy – Oil & Gas Groups. His practice focuses on the formation, structuring and distribution of investment funds, including private equity, mortgage, real estate, hedge and closed-end funds, mutual funds, ETFs and flow-through limited partnerships. Darin has structured funds that invest in bitcoin, cryptocurrency, films and litigation. He has significant experience in private equity transactions, mergers and ac...

Gunars Gaikis is one of Canada’s premier and most experienced life sciences intellectual property litigators. He holds the role of Of Counsel in Smart & Biggar’s Toronto office, and has more than 25 years of experience in the highly specialized field of pharmaceutical patent, trademark and related litigation. He has been described by independent IP lawyers’ reviewers as a “seasoned gladiator”, praised as a “a skilled fighter and lifecycle strategist for...