About Meghan

Meghan K. O'Brien is the Managing Principal of Lamb & O'Brien, which she co-founded in 2019. She spent most of her early career in the Ottawa office of Gowling WLG, where her litigation practice focused on professional liability and discipline, particularly medical defence, along with privacy compliance and healthcare data breach management. After opening her own firm in 2016, she expanded her practice to include criminal law, the focus of her LL.M. studies at the University of Cambridge. Meghan is a member of the bars of Ontario, Nunavut, and Yukon, has appeared at all levels of court in Ontario and Nunavut and at the Supreme Court of Canada, and regularly appears before health profession regulators and the Information and Privacy Commissioner of Ontario. She has served on the Law Society of Nunavut's Discipline Committee since 2014 and is a legal member of the Ottawa Health Science Network Research Ethics Board.

Practice areas

Criminal Defence Administrative & Regulatory Law Health Law

Education & credentials

Law school
University of Ottawa
Undergraduate
Carleton University, B.A. (highest honours)
Other degrees
University of Cambridge, LL.M. (first class honours)

Listing compiled from public sources in July 2026. Confirm Meghan K. O'Brien’s licence and standing in the Law Society of Ontario directory ↗