Mark Warner was quoted in the Financial Post about President Trump’s threatened tariffs on Mexican imports to address the migration “emergency at the Southern Border” and the prospects for the United States Mexico Canada Agreement (USMCA) in Congress. (May 31, 2019) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, DC and New York and has advised governments on trade policy and trade negotiations and previously worked on trade and competition issues as counsel in the OECD Trade Directorate. Mr. Warner was Legal Director of the Ontario Ministry of Economic Development & Trade led Ontario’s legal team for trade negotiations (including the Canada-EU Trade Agreement and the Canada-U.S. Agreement on Government Procurement), advised on trade disputes (including the Green Energy Act and softwood lumber) and various NAFTA Chapter 11 investor-state, advised on various NAFTA Chapter 11 investor-state arbitration. He is co-author of a leading Canadian trade law treatise, has also published numerous articles and has been invited to speak at conferences around the world.