John Mastoras
Senior Partner

Norton Rose Fulbright Canada LLP

200 Bay St, Suite 3800, PO Box 84, Royal Bank Plz, South Twr
Toronto, ON M5J 2Z4
Phone: (416) 216-3905
Fax: (416) 216-3930

Senior partner in our Canadian Employment and Labour Law Group. John is often called upon to litigate highly contentious matters such as disruptive labour disputes and workplace mental health issues, and acts exclusively for employers in the broader area of labour & employment law. He regularly litigates and provides strategic advice on labour arbitrations, labour relations board disputes, human rights proceedings, occupational health and safety charges, workers’ compensation, labour injunctions and common law employment actions. He is often in the forefront as chief spokesperson in collective bargaining for a variety of employers. He routinely acts for a broad group of employer clients and employer associations in various industries, including energy, pulp and paper, pharmaceutical, health care, insurance, long shoring, construction, retail, food processing, transportation, steel, automotive and manufacturing more generally. He is an Adjunct Professor at the University of Toronto and has taught at the University’s Centre for Industrial Relations and Human Resources (CIRHR) for the last 20 years. He was conferred the Morley Gunderson Prize by the University of Toronto as a CIRHR graduate who combines outstanding professional achievement with significant service to the University.

Year Called to the Bar:1989 (ON)
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Repeatedly Recommended
Labour Relations - Management
Workers' Compensation - Employer