Sean J. O’Donnell is a seasoned employment and human rights lawyer based in Toronto, Ontario. He was called to the Ontario Bar in 2010 and built his reputation through a decade of litigation experience, including work at some of Canada’s most prestigious Bay Street law firms. Sean is the founder of SJO Legal Professional Corporation, a boutique litigation firm dedicated to employment law, civil litigation, and human rights matters. Today, he proudly works in association with Randy Ai Law Office, one of Canada's most recognized employee-side employment law firms, allowing him to bring his high-level advocacy skills to a broader client base while collaborating with a team known for high-impact results and media-recognized cases.

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Sean represents both employees and employers in a wide range of workplace disputes, including wrongful dismissal, workplace harassment, severance package negotiations, and human rights violations. His approach blends litigation strategy with practical, accessible service, delivering Bay Street-calibre representation in a boutique setting. Sean also regularly advises on employment contracts, workplace policies, and conducts independent investigations, helping employers mitigate risk and ensure legal compliance. By aligning with Randy Ai Law Office, he enhances his ability to serve clients with the support of a full litigation team and the backing of a nationally ranked employment law practice.

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Clients choose Sean for his rare ability to navigate both sides of the employment relationship, providing balanced, insightful guidance in contentious and high-stakes legal matters. Known for his professionalism, clarity, and results-oriented advocacy, Sean is a trusted ally for executives, professionals, and organizations alike. Whether advocating for a wrongfully dismissed employee or helping an employer implement defensible HR practices, Sean O’Donnell brings precision, empathy, and excellence to every file.

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Contact Sean today for a free legal consultation.