LAWYER PROFILE
Robert Wisner

Robert Wisner

Global 2026

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Ranked in 1 practice area

About

Provided by McMillan LLP

Practice Areas

Robert Wisner is a litigation partner at McMillan LLP and a national leader of its International Arbitration group. His practice focuses on international dispute resolution and corporate litigation. Robert has argued numerous cases before international arbitral tribunals seated in venues throughout Canada, the United States, Asia and Europe. He has also appeared at all levels of court in Ontario and other Canadian jurisdictions. Robert has also served as arbitrator in domestic and international commercial disputes. Many of Robert’s cases have involved matters of international law, including disputes relating to foreign investment protection, the jurisdiction of Canadian courts and the enforcement of arbitral awards and foreign judgments. He has also handled a wide range of disputes relating to corporate governance, shareholder remedies or complex commercial contracts, including M&A, joint venture, shareholder, supply and services agreements. Robert’s work in international arbitration, cross-border business litigation and mining disputes has been recognized in Chambers Global, Lexpert and Who’s Who Legal. Market sources have described him as "tenacious, smart and readily available" and an “outstanding counsel”. Many of Robert's clients are involved in the mining, energy, aviation, infrastructure or telecommunications sectors.

Chambers Review

Provided by Chambers

Chambers Global Guide

Dispute Resolution: Arbitration - Canada

Band 1
Band 1

Individual Editorial

Toronto-based Robert Wisner of McMillan is regularly mandated on high-stakes arbitration proceedings involving international trade issues in addition to a wealth of commercial disputes, including joint venture, shareholder and partnership cases.

Strengths

Provided by Chambers

  • Robert is responsive and a pleasure to work with.

    Dispute Resolution: ArbitrationChambers Global Guide
  • Robert Wisner is intelligent and good counsel.

    Dispute Resolution: ArbitrationChambers Global Guide

Ranked Individuals at McMillan LLP (31)

Canada

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