Robert Wisner is a litigation partner at McMillan and is co-Chair, International Arbitration. His practice focuses on international commercial arbitration, investment treaty arbitration and cross-border business litigation. Robert has argued numerous cases before international arbitral tribunals and has appeared at all levels of the Ontario and Federal courts as well as before various administrative tribunals. These cases have involved matters of public international law, multi-jurisdictional litigation, joint venture and shareholder disputes, complex commercial contracts and competition law or regulatory issues. Robert has been described "as ‘a leader in his field' through his premier international commercial and investor state arbitration work" (Who's Who Legal 2012). McMillan has also been consistently ranked amongst the world's top 100 practices by Global Arbitration Review. Many of Robert's clients are involved in the mining, energy, aviation, infrastructure or telecommunications sectors and carry on business in emerging markets.