Catherine Mary Milne

Catherine Milne is a founding partner of Turnpenney Milne LLP and a trusted advisor with more than 30 years of experience in employment, labour and workplace law. Called to the Ontario bar in 1993 and the British Columbia bar in 2018, Catherine combines her legal expertise with a strong background in governance and human resources management. She holds an Honours Certificate in Human Resource Management from Humber College, is certified by the Association of Workplace Investigators (AWI-CH), and in 2023 earned the designation of Certified Director (C-Dir.) from McMaster University’s DeGroote School of Business.

Catherine represents both employers and senior-level employees and has appeared before courts in Ontario and British Columbia, the Canadian and Ontario Human Rights Tribunals, and a wide range of labour and employment boards and administrative bodies. She is regularly retained as an independent workplace investigator and has conducted close to 100 investigations across the private and public sectors – including high-profile matters in municipalities, school boards, universities, and government settings. Her investigation practice covers workplace harassment, bullying, sexual harassment, systemic and individual discrimination, fraud, conflicts of interest, code of conduct breaches, and health and safety concerns.

Catherine also provides facilitation, remediation and customized training to organizations seeking to address workplace challenges proactively. She has a particular interest in corporate governance issues honed from her having held several Board positions in the not-for-profit and public sectors. In 2023 Catherine completed her C-Dir from the DeGroote School of Business, McMaster University, and is regularly retained by Boards of Directors to advise on complex human resource and governance issues. She has a particular interest in the municipal sector, where she works closely with CAOs and elected members of council.