• 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,...
  • 2026-10-05

Peter C. Wardle

Peter Wardle is an arbitrator and mediator with ADR Chambers. Peter has more than 40 years of experience in complex dispute resolution.  His areas of expertise include contract disputes, shareholder and partnership disputes, securities, directors’ and officers’ liability, professional negligence, insurance,...
  • 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...
  • 2025-08-08

Roger B. Greenberg

Roger Greenberg is an arbitrator and mediator with ADR Chambers. Roger has arbitrated and mediated cases including those involving contract, employment, construction, real estate, intellectual property, franchise, malpractice, banking, insurance, tax, eminent domain, securities and other disputes. Roger is an...
  • 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

David S. Morritt

David brings to these roles extensive domestic and international experience as senior counsel and advisor in complex corporate and commercial disputes involving a broad spectrum of issues including product and professional liability, contracts, securities, shareholder rights, corporate governance and defamation.  ...
  • 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

Larry Lowenstein

Larry’s areas of expertise include class actions, shareholder disputes, commercial disputes, insurance, real estate & employment matters.
  • 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

Ellen Fry

Ellen Fry, mediator, arbitrator, fairness monitoring at ADR Chambers. She specializes in commercial, environmental, public policy, construction, engineering, contracts, corporate, accounting, environmental, public policy, fairness monitoring and infrastructure disputes.
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