At the multilateral level, Mr. Tereposky has prepared written and oral pleadings, prepared evidence, participated in government delegations and acted as industry-government liaison in dispute settlement proceedings under the WTO Agreements, the GATT 1947, and the GATT Subsidies Code.  He has provided negotiating advice with respect to the Uruguay Round negotiations on subsidies and countervailing duties and with respect to various elements of the current round of WTO negotiations.  At the regional level, Mr. Tereposky has acted as advisor and counsel in proceedings under the Canada-US Free Trade Agreement and the North American Free Trade Agreement (NAFTA). He assisted in providing legal and negotiating advice to the Government of Mexico on the NAFTA, including the negotiation of the supplementary agreements on the environment and labour.

Mr. Tereposky's domestic law practice covers all aspects of Canadian customs law and other trade-related regulation including representation in antidumping and countervailing duty proceedings.

Prior to beginning his law practice, Mr. Tereposky was employed as a trade policy officer at External Affairs and International Trade Canada (now International Trade Canada).  His past employment also includes acting as a research assistant for the Canadian International Trade Tribunal and the Centre for Trade Policy and Law in Ottawa.

Mr. Tereposky has written on a wide range of international trade issues and has guest lectured at the University of British Columbia, the University of Ottawa (Faculty of Common Law), the Norman Paterson School of International Affairs (Ottawa), the Instituto Tecnológico Autónomo de México, the Universidad Nacional Autónomo de México and Georgetown University (Faculty of Law).

Mr. Tereposky was called to the Bar of British Columbia in 1992 and to the Ontario Bar in 1996.