Gregory Sim

Gregory Sim is an Edmonton-based Partner whose practice focuses on professional regulation and administrative law, including regulatory proceedings, judicial reviews and appeals. He also advises clients on employment law and related litigation.

Greg acts for professional and sport regulatory organizations, employers and individuals throughout Alberta, Western Canada and the Northwest Territories. His regulatory experience spans a broad range of professions and industries, including health care, financial services, legal services, real estate, post-secondary education, policing, natural resources, engineering and geoscience, construction, retail and hospitality.

Greg advises and represents clients on matters including:

• Registration and entry to practice
• Labour mobility
• Professional conduct and discipline
• Unauthorized practice
• Regulatory legislation development
• Policy and governance
• Independent legal counsel to tribunals
• Judicial reviews and appeals
• Human rights
• Employment policies and agreements
• Wrongful and constructive dismissal claims
• Post-employment restrictions

Greg has represented clients before all levels of court in Alberta and a variety of administrative tribunals. He also represents clients in general civil litigation and takes a practical, solutions-focused approach to disputes, considering both litigation and alternative paths to resolution based on his clients’ objectives.

Greg co-authored The Annotated Health Professions Act with Jim Casey, KC, Katrina Haymond, KC, and Jason Kully. Published by Thomson Reuters in 2020, the book provides practical guidance for legal counsel and professional regulators, including annotations, commentary, templates and flowcharts.

Greg is an elected member of Field Law’s Executive Committee.

Presentations

• Presenter, Professional Regulation and Discipline, Virtual Conference, April 2026