Derek J. McCallum

Known for her strategic counsel and trial skills, Sandra Barton is a leading civil and commercial litigation lawyer based in the Toronto office. Sandra is recognized as one of the top corporate commercial litigators in Canada by the Canadian Legal Lexpert Directory , and was featured among the country’s leading class actions lawyers in the 2015 edition of The Best Lawyers in Canada . Working seamlessly with clients and counsel across Canada and the U.S., Sandra brings extensive expertis...

Michael Bourassa’s practice is focused in the mining industry. A member of the Global Mining Group, he acted as the group’s co-ordinator from 2004-2012. A recognized expert, Michael has accumulated extensive experience on both Canadian and international mining projects. Providing advice on public financings, commercial mining agreements, and corporate social responsibility, and litigation support, Michael also has significant expertise in international mining due diligence issues ...

Sarah Armstrong is the Chair of Fasken’s Ontario Litigation and Dispute Resolution Practice Group. An experienced and strategic litigator with broad litigation, arbitration and dispute resolution experience, she has developed a robust practice focused on commercial and contractual disputes and class action defence. Sarah is also a member of Fasken’s Ontario Professional Development Committee and is Co-Chair of the firm’s Ontario Pro Bono Committee. Working with clients acros...

Aubrey Kauffman’s practice is focused on advocacy matters related to domestic and cross-border bankruptcy, insolvency and restructuring proceedings. Aubrey is the 2019 recipient of the Ontario Bar Association Murray Klein Award for Excellence in Insolvency Law. In addition, in 2019, he was named a Fellow of the prestigious Insolvency Institute of Canada after completing his 2nd term as a director. A highly seasoned litigator and advisor, Aubrey has acted in many high-profile insolvency ...

Simmie is a partner of INQ Law, and over the last two decades, has built a diverse health law practice that includes governance, health privacy, clinical and records issues, data sharing, corporate/commercial agreements, freedom of information and risk management. Simmie strives to give practical and timely solutions to legal problems. She enjoys building positive long-term relationships with clients that include hospitals, long-term care homes, health profession associations, community menta...

Devin Jarcaig is a partner at Mathers McHenry & Co, an executive advisory and employment law boutique located in downtown Toronto. Devin’s advisory practice focuses on providing strategic and legal advice to executives, directors, partners, shareholders, and other senior employees at key transition points in their careers. She regularly advises her clients on a wide range of complex employment law issues, including but not limited to employment terminations, written offers of employ...

France M. Tenaille is a top attorney recognized by Best Lawyers in the practice area(s) of Mining Law. France M., 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 France M. is held by other top lawyers in the same geographic and legal practice area.

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

Geoff Clarke has over 25 years of experience in investment banking, financial advisory, corporate finance and securities law. Geoff is the Leader of Miller Thomson LLP’s Mining Law practice area. Geoff represents and advises public companies, institutional investors and investment banks in securities offerings, mergers and acquisitions, corporate governance, shareholder activism, exchange sponsorships, fairness opinions, continuous disclosure, stock exchange matters, securities litigati...

Gerry is recognized as a leading litigator whose dispute resolution practice encompasses all aspects of civil, administrative and commercial litigation, with an emphasis on professional negligence, pensions, cross-border issues, franchise, banking, insurance, real estate, product liability and employment matters. Gerry has appeared in all levels of court in Ontario, the Federal Court of Canada, the Supreme Court of Canada and before administrative boards and tribunals. As an adjunct professor...