• 2026-10-14

Matthew L.O. Certosimo

Matthew Certosimo is a mediator and arbitrator with ADR Chambers. Matt has over 34 years’ experience in all areas of employment and labour disputes including wrongful/constructive dismissal, grievance arbitrations, human rights, workplace disputes, labour relations, workers’ compensation, collective bargaining, employment...
  • 2026-10-05

Norman A. Keith

Norman (Norm) Keith is a mediator, arbitrator and investigator with ADR Chambers. Norm has experience in employment, labour relations, human rights, ethics violations, commercial, corporate governance, executive misconduct, construction and securities law.  He also has experience resolving disputes in alcohol and drugs in...
  • 2026-02-27

Brian A. Blumenthal

Brian is a mediator, arbitrator and investigator with ADR Chambers.  He has extensive experience in the administrative justice sector in Ontario. His areas of expertise includes employment and human rights disputes, sexual harassment, workplace harassment, discrimination and reprisal, occupational health...
  • 2025-08-11

The Honourable Joseph R. Nuss

The Honourable Joseph R. Nuss, C.M., K.C., Ad. E., FCIArb, is a domestic and international arbitrator and mediator with ADR Chambers.  His areas of expertise include commercial, real estate, construction, employment, shareholder and insurance disputes. Mr. Nuss is a former...
  • 2025-01-03

Michael L. Maynard

Michael Maynard is a mediator, settlement officer & investigator. Expertise in administrative, civil, code of conduct/disciplinary matters, contract, insurance, landlord/tenant, and workplace disputes.
  • 2025-01-03

Howard Winkler

Through his commercial litigation experience, Howard also has experience in insurance, employment, shareholder, entertainment, intellectual property, landlord/tenant and real estate disputes. He has acted for media and plaintiffs and defendants in defamation matters and has a balanced perspective on the ...
  • 2025-01-03

Jason Stitt

Jason is an Adjunct Professor at the University of Toronto Law School teaching Negotiation. He provides Alternative Dispute Resolution, negotiation and coaching training to organizations and the public throughout Canada, the Caribbean and the United States. Jason has provided training ...
  • 2025-01-03

Edward T. McDermott

Edward T. McDermott, mediator, arbitrator, investigator at ADR Chambers. He specializes in contracts, wrongful dismissals, collective bargaining, human rights, employment, fairness monitory, family, labour relations, workman compensation and workplace restoration disputes.
  • 2025-01-03

Glen E. Grunwald

Glen has expertise in a variety of contexts including sports, entertainment, employment, real estate, and commercial matters.
  • 2025-01-03

Donald L. Granatstein

Donald Granatstein, mediator and arbitrator. Expertise in wrongful dismissal, medical malpractice, sexual assault, vehicle accidents, landlord/tenant, estates, real estate and slip and fall disputes.
1 2 >
en_CAEnglish
Skip to content