Mark Warner was featured in a CBC’s The National story about the prospect for and possible outlines of a framework Canada-U.S. trade “agreement”. (July 4, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practised in Toronto, Washington, D.C., New York and Brussels. 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. Mark has worked on merger notifications and trade issues involving dairy and poultry cooperatives.

As Legal Director of the Ontario Ministry of Economic Development & Trade, Mark led Ontario’s legal team for the negotiation of 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 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 is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was featured in a Canadian Press article about whether Bill C-202 puts an end to dairy supply management as a trade negotiation issue with the United States. (July 3, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practised in Toronto, Washington, D.C., New York and Brussels. 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. Mark has worked on merger notifications and trade issues involving dairy and poultry cooperatives.

As Legal Director of the Ontario Ministry of Economic Development & Trade, Mark led Ontario’s legal team for the negotiation of 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 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 is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was featured on the CBC Weekend Business Panel talking about U.S. President Trump suspending trade talks with Canada over Canada going ahead with its Digital Services Tax, conflicting electric vehicle battery investment news in Southwestern Ontario and whether Canada is lagging in artificial intelligence literacy and adoption. (June 28, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, D.C., New York and Brussels 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 in Paris, and represented the OECD at meetings of the WTO Working Groups on Trade and Competition Policies and Trade and Investment Policies.

Mark was Legal Director of the Ontario Ministry of Economic Development & Trade and the Ministry of Research & Innovation and advised on economic development, research and innovation grants and loans to corporations, including Huawei. As MEDT Legal Director, he led Ontario’s legal team for trade negotiations, advised on trade disputes 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.

As Legal Director for the Ontario Ministry of Research & Innovation (MRI), Mr. Warner led Ontario’s legal team in creating the $250 million Ontario Emerging Technologies Fund, the $205 million Ontario Venture Capital Fund and establishing the Ontario Capital Growth Corporation. Mr. Warner also provided corporate governance legal advice and secretarial support to the OCGC Board of Directors, as well as to the Board of Directors of the Ontario Immigrant Investor Corporation, and other agencies administered by the Ministries. As a former Acting Legal Director for the Ontario Ministry of Consumer Services, Mark was responsible for prosecutions under the provincial consumer protection laws and regulations.

Mark is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was interviewed by the Financial Post about the G7 Leaders’ Summit in Kananaskis, Alberta and what it means for Canada-US trade disputes and negotiations, US trade negotiations with the UK, the EU and China and thawing Canada-India relations. (June 17, 2025) 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.

As Legal Director of the Ontario Ministry of Economic Development & Trade and the Ministry of Research & Innovation and advised on economic development, research and innovation grants and loans to corporations, including Huawei. Mark has been an adviser to the Governments of Cambodia, Indonesia, Thailand and Vietnam on competition and trade policy and at the invitation of the U.S. Department of State lectured in five cities in Japan on international antitrust law and policy. As Assistant Director of the University of Baltimore’s Centre for International and Comparative Law, Mark hired a Chinese scholar to begin a research program on reforming anti-monopoly law in China, one of the first such efforts at the time.

Mark Warner was featured on the CBC Weekend Business Panel talking about President Trump’s latest tariff threats to aluminum and steel, his setbacks in American courts and the last days of Hudson’s Bay and the future of shopping malls. (May 31, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, D.C., New York and Brussels. 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 the negotiation of 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 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.

Mark is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was featured in a CTV National News story about the U.S. Court of International Trade ruling on President Trump’s IEEPA tariffs and how the legal process is likely to proceed, and what that means for Canada. (May 29, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, D.C., New York and Brussels. 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.

Mark is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was featured in a Financial Post article about the U.S. Court of International Trade ruling on President Trump’s IEEPA tariffs and how the legal process is likely to proceed, and what that means for Canada. (May 29, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, D.C., New York and Brussels. 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.

Mark is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was interviewed on CTV Your Morning about the U.S. Court of International Trade granting an injunction on President Trump’s tariffs, options for appeals, alternative legal bases for the tariffs and what it all means for Canada. (May 29, 2025) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, D.C., New York and Brussels. 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.

Mark is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

Mark Warner was interviewed on BNNBloomberg [begins around 45:28 after the ads] about U.S. President Trump’s agreement with EU Commission President President von der Leyen to pause threatened tariffs and retaliation and to restart U.S.-EU trade talks. (May 23, 2025) 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.

Mark is a past Chair of the International and Economics Committees of the American Bar Association Section of Antitrust Law as well as a member of the Section’s Task Forces on Competition Policy and NAFTA and Antitrust in the Global Economy. In addition to being a lawyer, Mr. Warner has a Masters Degree in Economics from the University of Toronto.

[Begins around 45:28 after the ads]

Mark Warner was featured on the CBC News Weekend Business Panel talking about the China-U.S. trade talks in Switzerland, the UK-U.S. Economic Prosperity Deal and Canadian Prime Minister Carney’s Oval Office meet and greet with U.S. President Trump. (May 10, 2025) 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.

As Legal Director of the Ontario Ministry of Economic Development & Trade and the Ministry of Research & Innovation and advised on economic development, research and innovation grants and loans to corporations, including Huawei. Mark has been an adviser to the Governments of Cambodia, Indonesia, Thailand and Vietnam on competition and trade policy and at the invitation of the U.S. Department of State lectured in five cities in Japan on international antitrust law and policy. As Assistant Director of the University of Baltimore’s Centre for International and Comparative Law, Mark hired a Chinese scholar to begin a research program on reforming anti-monopoly law in China, one of the first such efforts at the time.