• 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...
  • 2026-08-18

Richard Macklin

Richard is a mediator and arbitrator with ADR Chambers. Richard served part-time, from 2006 to 2018, as a Vice-Chair with the License Appeal Tribunal for Ontario, conducting hearings and arbitrations. Richard has also been a civil litigator for over 30...
  • 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...
  • 2025-01-03

The Honourable Thomas R. Lederer

Thomas Lederer is a retired judge. He conducted civil trials involving commercial transactions, product liability, estates and constitutional issues.  He is available for mediations, arbitrations and investigations
  • 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.
  • 2025-01-03

Jonathan Flanders

Jonathan Flanders, mediator and arbitrator at ADR Chambers. He specializes contracts, corporate, partnerships, bankruptcy, franchise, securities, transportation, investments, harassment, workplace, personal injury disputes, libel and slander, construction, engineering, and infrastructure.
  • 2025-01-03

The Honourable Roderick J. Flaherty

The Honourable Roderick J. Flaherty, mediator and arbitrator at ADR Chambers. He specializes in commercial, estate, civil, family, criminal, partnerships, human rights, personal injury, landlord/tenant, libel & slander, First Nations, condominium, and real estate disputes.
  • 2025-01-03

Andrew M. Diamond

Andrew M. Diamond is a mediator and arbitrator at ADR Chambers. He specializes in corporate, partnership disputes, bankruptcy, collections, harassment, human rights, wrongful dismissals,tort litigation, auto accidents, accident benefit, product liability, slip and fall cases.
  • 2025-01-03

Daniela T. Corapi

Daniela’s areas of expertise includes insurance, employment, trusts and estates, commercial, personal property disputes, administrative and regulatory law.
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