Mark Warner Was Interviewed on CTV Your Morning About Trump’s Tweaks to Metals’ Tariffs and Implications for USMCA Renewal Negotiations

Mark Warner was interviewed on CTV Your Morning about what President Trump’s latest tweaks to the Section 232 tariffs on aluminum, steel and copper means for Canadian producers and for the USMCA / CUSMA review negotiations. (June 2, 2026) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, New York and Brussels and has advised governments on trade policy and trade negotiations. Mark also previously worked on trade and competition issues as counsel in the OECD Trade Directorate where he participated in the negotiations of the Multilateral Agreement on Investment and represented the OECD at meetings of the WTO Working Group on Trade and Competition Policy and the Working Group on Trade and Investment.

As Legal Director of the Ontario Ministry of Economic Development & Trade, Mark led Ontario’s legal team for trade negotiations (including the Canada-EU Trade Agreement and the 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 arbitration matters. He also led the Ontario’s legal team for the insolvency / restructuring of General Motors and Chrysler, and various grant and loan agreements to leading automotive and automotive parts companies, including to electric car battery manufacturer, Electrovaya and a Better Place demonstration centre and electric vehicle charging station network, and more recently has assisted with an electrical vehicle battery manufacturing contractual dispute.

Mark provides international trade and investment law advice to natural resources clients on trade agreements, trade remedies, sanctions, export and import controls, anti-corruption, corporate social responsibility and compliance issues as a colleague at Pilot Law which provides comprehensive legal services for developing resource businesses in the mining, energy and renewables sectors.