Mark Warner was interviewed by the Financial Post about U.S. President Trump’s Oval Office meeting with Canadian Prime Minister Carney, the UK-India trade agreement and prospects for renegotiating the USMCA and diversifying Canadian trade. (May 7, 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 on CityNews on radio and television about how Canadian Prime Minister Mark Carney should approach his meeting with President Trump and what a realistic outcome of those talks would look like for Canada-U.S. trade relations. (May 5, 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, 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 Food Professor Podcast for a freewheeling discussion of law and the politics and the challenges and opportunities to Canadian agriculture arising from U.S. President Trump’s tariff threats. (April 10, 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. Mark has worked on competition and trade issues involving dairy and poultry cooperatives and in the grocery store market.

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 interviewed by the Globe and Mail about where Canada stands with the on-again / off-again U.S. President’s Trump tariffs and how new Canada-U.S. trade negotiations after the election fit into the new reciprocal tariff negotiations over the next ninety days “pause”. (April 9, 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, 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 News Weekend Business Panel talking about U.S. President Trump’s tariff shock and the likely effects on international trade the Canadian and global economy. (April 5, 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, 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 CBC Radio Bizdigest report talking about U.S. President Trump making good on his threatened reciprocal tariffs, whether Canada dodged a bullet whether uncertainty has been reduced and whether businesses can exhale? (April 2, 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, 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 interviewed on BNNBloomberg about whether a customs union is the way out of a trade war over Trump’s tariffs. (April 2, 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, 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 interviewed by LaPresse about the willingness of U.S. President Trump to approach longstanding trade disputes with Canada using trade measures that his predecessors would not have considered. (March 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 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 interviewed by the National Post about the apparent softening in Trump’s tone in talking about new Canadian PM Carney and about trade with Canada and whether that signals an end to tariff threats and trade wars. (March 28, 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, 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 a TVO The Agenda panel talking about whether the U.S. has become an unreliable trade partner, where in the world does Canada seek new trade deals, or strengthen existing agreements and whether it is even possible to replace the U.S. as a trade partner? (March 27, 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. Mark has also provided technical assistance / legislative drafting advice to senior government officials and international institutions relating to trade and competition law and policy in Africa, Central Asia, Southeast Asia, South America and Central and Eastern Europe.

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 (CETA) 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 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.