John Mastoras

John Mastoras stands as a towering figure in Canadian employment and labour law, dedicating his career to advocating for employers across various sectors. His legal prowess is not confined to the courtroom; it extends into strategic advice, collective bargaining, and handling contentious workplace issues. Mastoras, a senior partner, is celebrated for his role in litigating and resolving disputes that span the spectrum from labour arbitrations and human rights proceedings to occupational health and safety charges.

His influence stretches beyond direct legal counsel. As a chief negotiator, Mastoras has steered numerous employers through the complexities of collective bargaining. His innovative strategies have benefited employer associations, providing them with practical solutions to navigate the ever-changing landscape of labour law.

Mastoras's expertise is sought after in high-stakes litigation, particularly in disputes that shake the foundation of workplaces, including those concerning mental health. His influence permeates industries such as energy, healthcare, retail, and technology, showcasing his versatility and depth of knowledge.

An adjunct professor at the University of Toronto, Mastoras shares his insights with the next generation of legal minds, contributing significantly to the field of industrial relations and human resources. His contributions have earned him the Morley Gunderson Prize, highlighting his blend of professional excellence and dedication to education.

Recognized by leading legal directories, Mastoras's accolades include rankings in Chambers Canada and Best Lawyers in Canada. His thought leadership extends to publications and speaking engagements, where he addresses critical developments in employment law, from internet compliance to workplace vaccination policies.

A member of esteemed legal associations, Mastoras's commitment to the legal profession and its evolution is evident. His career is a testament to his passion for labour law and his unwavering support for employers navigating the complex terrain of employment relations.