Siobhan M. O’Brien

Siobhan O’Brien Bio Photo

Partner, Ottawa
Direct: 613.369.2111
Main: 613.234.0386
vCard | LinkedIn
Year of Call: Ontario, 2009
  • Biography

Siobhan O’Brien is an Ottawa labour, employment and human resources lawyer. She practises management-side labour and employment law and has extensive experience in wrongful dismissal litigation, employment litigation, human rights law, grievance arbitration, labour relations, collective bargaining and strike management.

Siobhan is a frequent guest speaker at employment and human resource law events and speaks on employment issues including wrongful dismissals, employment contracts, accommodation, attendance management, independent contractor matters, pregnancy and parental leave, restrictive covenants, employment benefits, workplace policies and procedures and human rights law.

Siobhan serves clients in the manufacturing, social services, developmental services, education, healthcare, financial services, technology and municipal sectors.

Memberships & Affiliations

Ireland-Canada Chamber of Commerce of Ottawa – Vice President and Board Member

Thinking in Pictures Educational Services (TIPES) – Past Board Member

Carleton Alumni Mentor Program – Mentor

Women’s Business Network of Ottawa – Member

Ontario Bar Association – Member (Education Law, Women Lawyers Forum, Labour & Employment Law sections)

Canadian Bar Association – Member

County of Carleton Law Association – Member

Select Publications & Presentations

Moderator, “Employment Law Update: What Employers Need to Know in 2022” Canadian Lawyer (January 26, 2022)

“Court of Appeal Outlines Key Principles on Suspending Employees With and Without Pay” Labour Notes® (September 17, 2018)

“Public Disclosure of Private Facts (Privacy Tort)” County of Carleton Law Association 36th Annual Civil Litigation Conference (November 2016)

“Gender Identity and Gender Expression: Best Practices in the Workplace” Lancaster House Conference (November 2016)

“Cracking the Code: Deciphering doctors notes” Lancaster House Ottawa Human Rights & Labour Law Conference (October 2016)

“Gender Identity and Gender Expression in the Workplace Webinar” The Canadian Bar Association, SOGIC Forum and Labour & Employment Law Section (October 2016)

“Context is Key for Covenants: The Latest Word on Restrictive Covenants from the Supreme Court Of Canada” Canadian Bar Association Newsletter (2014)

“Youth Mental Health and the Risk of Violence: The Roles and Responsibilities of the Workplace Parties” Canadian Association for the Practical Study of Law in Education Conference Paper (2012)

Excellence in Manufacturing Consortium Canada (EMC) – Ottawa, Perth: Employment Legal Updates

Ottawa Human Resources Professionals Association – Dine and Learn Speaking Engagement

Ottawa Human Resources Professionals Association – Cobourg Annual Conference Speaking Engagement


Queen’s University, J.D.

Carleton University, B.A.