Mark wrote was invited to speak to the Ontario Public Buyers Association (OPBA) Annual Conference about the Canadian Competition Bureau‘s bid-rigging detection and enforcement efforts. (September 29, 2017) Competition and public procurement is the theme of the 2017 International Competition Network (ICN) Cartel Workshop that the Bureau is hosting October 4 – 6. Mark Warner is a Canadian and American competition / antitrust lawyer and is a former Legal Director of the Ontario Ministry of Consumer Services and in that role was responsible for prosecutions under the Consumer Protection Act (Ontario). As Legal Director of the Ontario Ministry of Economic Development & Trade, he advised Ontario on procurement issues in the Canada-EU Trade Agreement (CETA) negotiations and the Canada-U.S. Agreement on Government Procurement. In addition, Mr. Warner previously worked on trade and competition issues as counsel in the OECD Trade Directorate and has held several leadership positions in the American Bar Association Section of Antitrust Law.