Caitlin "Cait" Sainsbury

Dan Murdoch is a partner in the Litigation & Dispute Resolution Group and a member of the Associates Committee in the Toronto office. He is also Chair of the Firm’s Claims & Risk Management Committee. His practice focuses on class actions and complex commercial litigation. His class action practice includes securities, product liability and professional negligence. Dan has been counsel on multiple securities class actions, frequently obtaining early dismissal. His commercial lit...

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...

Mary Jane Dykeman is a managing partner at INQ Law. In addition to data law, she is a long-standing health lawyer. Her data practice focuses on privacy, artificial intelligence (AI), cyber preparedness and response, and data governance. She regularly advises on use and disclosure of identifiable and de-identified data. Mary Jane applies a strategic, risk and innovation lens to data and emerging technologies. She helps clients identify the data they hold, understand how to use it within the la...

Kris Borg-Olivier is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Alternative Dispute Resolution, Corporate and Commercial Litigation and International Arbitration. Kris, 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 Kris is held by other top lawyers in the same geographic and legal practice area.

A senior partner in our Commercial Real Estate Group, Sidney has a very broad business and commercial law practice. In addition to his traditional real estate law practice involving the purchase, sale and financing of commercial property, he is consulted regularly by industry, title insurers and lawyers for his expertise and his practical and creative approach to real estate problem solving, trouble shooting, and getting deals done. He also serves as counsel to the Lawyers’ Professional...

Al is a partner practising in the areas of corporate and securities laws with an emphasis on corporate finance and mergers and acquisitions, as well as advising in respect of securities regulatory compliance matters. Al acts as counsel to both issuers and investment dealers. Al regularly advises public and private issuers, dissident shareholders, directors and officers, chairpersons of contested meetings, and special committees of an issuer’s board of directors on the legal and strategi...

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...

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

Sean Foran is a leading expropriation lawyer, with extensive experience as counsel in large-scale infrastructure projects. Sean also practises real-estate, business, employment and government litigation. Sean regularly appears before various boards and tribunals, before all levels of court up to the Ontario Court of Appeal, and as an advocate in commercial arbitrations. Sean is Past President and a current Director of the Ontario Expropriation Association. He has written and delivered papers ...

Mark Fryer practices employment, labour (union), human rights, occupational health and safety and OMVIC law by providing both litigation and corporate/commercial advice and representation to small to large businesses, corporations, and associations. A substantial number of Mark’s clients are involved in the retail automotive industry and the logistics industry. Mark has been a partner with the firm since 2006. Click here to learn more about Mark.