Michael Mandarino practices in the areas of Labour Law and Professional Regulation/Discipline providing advocacy in grievance arbitrations and at professional Colleges for health care professionals.

Michael is an experienced litigator that provides effective and strategic legal advice and advocacy in labour arbitrations and mediations, Ontario Labour Relations Board proceedings, and professional regulatory college proceedings. He has appeared before arbitrators, mediators, review boards and various administrative tribunals. He has also appeared as counsel at the trial and appellate level courts in Ontario.

Michael’s labour law practice includes representation in the healthcare, public and private sectors for nurses, postal workers and other industrial workers. His grievance arbitration practice includes discipline, collective agreement interpretation and application, health and safety, human rights, and LTD matters. He is also a member of the firm's Construction Labour Law group. He has provided representation before the Ontario Labour Board, construction grievances and on complex construction lien matter for unions.

Michael has extensive experience providing advice to regulated professional health professionals and their associations. He is an experienced litigator that has advocated on behalf of health professionals including nurses, naturopaths, pharmacists, and midwives, before their professional Colleges on a variety of matters including Complaints and Executive Committees; Fitness to Practice Committees, Registration Committees and Discipline Committees; the Health Professions Appeal and Review Board and court litigation arising from regulatory proceedings or practices.  

Michael also provides advise and representation to health professionals regarding applications for appointment of hospital privileges. He has also dealt with hospital privilege issues including appearances before Hospital Board of Directors, the Health Professions Appeal and Review Board and the Ontario Divisional Court. Michael has also provided representation to healthcare professionals on privacy matters before the Privacy Commissioner and in the courts.

Michael takes a pragmatic yet strategic approach to problem solving and addressing the needs of his clients. He has provided effective governance advice to health professional associations and other not for profit associations related to legislative responsibilities and requirements. In this capacity, he has advised on policy and professional governance, discipline issues and legislative reform. He has reviewed institutional bylaws and constitutions and provided advice related to the operational compliance with these governing documents. 

Michael has appeared before arbitrators, mediators and other administrative tribunals including the Labour Relations Board, Ontario Human Rights Tribunal, Health Professional Appeal and Review Board, and labour arbitration boards. He has also provided employment advice related to rights and obligations under the Employment Standards Act, and representation at Coroner’s Inquests.

Michael joined Cavalluzzo as an Associate in 2013, after summering and articling with the firm. In 2012, he graduated from the University of Ottawa, Faculty of Common Law. During law school Michael worked with the Independent Filmmakers Cooperative of Ottawa (IFCO) through the Pro Bono Students of Canada program and the University of Ottawa Eco-justice Environmental Legal Clinic.

Michael is a member of the Ontario Bar Association and the Canadian Bar Association.


Notable Cases:


  • Call to the Ontario Bar, 2013
  • University of Ottawa, J.D., 2012
  • York University, B.A.


  • Canadian Bar Association
  • Ontario Bar Association

Related News

News/28 January 2021

New Partner Announcement

Cavalluzzo LLP is very pleased to announce that Niiti Simmonds and Michael Mandarino have joined our partnership.