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Sarah C. Crossley

Tel: 416-408-5514Fax: 416-408-4814


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As a partner in the firm, Sarah acts for employers in both the federal and provincial jurisdictions. Her clients operate in a range of industries, including manufacturing, technology, retail, financial services, gaming and pharmaceutical.

Sarah provides practical and strategic advice to employers on a variety of workplace matters, including human rights, performance management and terminations, collective agreement administration and the development of employment contracts and policies. She regularly acts as counsel in wrongful dismissal litigation, human rights proceedings, and grievance arbitrations. She also conducts workplace investigations.

Sarah is a sought-after expert, having written on and delivered many presentations on such issues as conducting lawful and effective workplace investigations, accommodating employee disabilities, workplace discrimination and harassment, terminations, and the benefits of employment agreements. She is a past course instructor for the employment law course at the Human Resources Professionals Association of Ontario (part of the CHRP certification program) and for the HR Law for HR Professionals Certificate Program at Osgoode Professional Development, Osgoode Hall Law School.

Before joining Filion in 2018, Sarah practiced management-side labour and employment law in the Toronto office of a global labour and employment law firm.

Sarah holds a law degree from the University of Windsor and an Honours B.A. from the University of Western Ontario. She was called to the Ontario Bar in 1999.
Memberships & Affiliations
  • Ontario Bar Association
  • Law Society of Ontario
Awards & Recognition
  • Leading Practitioner, Canadian Legal Lexpert® Directory, 2016, 2017, 2018