• 2026-10-14

Mark S. Hayes

Mark Hayes is an arbitrator and mediator with ADR Chambers, bringing more than 40 years of experience to the resolution of complex commercial, technology and intellectual property disputes. Mark’s areas of expertise include technology, intellectual property, copyright, entertainment and media law,...
  • 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...
  • 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

The Honourable Daniel H. Tingley

The Honourable Daniel H. Tingley, bilingual mediator and arbitrator at ADR Chambers. He specializes in insurance, real estate, employment, commercial, investments, franchise, medical disputes, malpractice, family disputes, intellectual property, First Nations and partnership disputes.
  • 2025-01-03

Allan J. Stitt

Allan J. Stitt is a mediator and arbitrator at ADR Chambers. He specializes in commercial, employment, governance, harassment, human rights, workplace, personal injury, sports, contracts, transportation, investments and franchise disputes.While at Harvard Law School, he studied negotiation and ADR.
  • 2025-01-03

W. A. Derry Millar

W. A. Derry Millar, mediator and arbitrator at ADR Chambers. He specializes in commercial, estates, environmental, insurance, aviation, products liability, investment dealers, wrongful/constructive dismissal, medical/health industry, public policy and intellectual property disputes.
  • 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

Paul M. Iacono

Paul is a top insurance neutral with over 40 years of experience in the insurance industry. He is the founding principal of YorkStreet Dispute Resolution Group, a panel of neutrals focusing on mediation, arbitration, appraisal and neutral evaluations.
  • 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.
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