William Isasi represents governments and companies in various industries on all aspects of antidumping and countervailing duty proceedings and World Trade Organization (WTO) litigation. He joined the firm after serving as an Assistant Chief Counsel at the U.S. Department of Commerce, Office of the Chief Counsel for Trade Enforcement & Compliance. In this role, he provided extensive legal advice on trade enforcement to the Assistant Secretary for Enforcement & Compliance, Deputy Assistant Secretaries, and other Department officials. Mr. Isasi has argued before international tribunals including the WTO Appellate Body and panels, and the NAFTA Chapter 19 binational panel pertaining to the 2001 Softwood Lumber from Canada antidumping investigation. He managed legal services for several complex antidumping and countervailing duty proceedings, including the recent countervailing duty investigation of Sugar from Mexico. He also managed a number of significant WTO disputes for the Commerce Department including the China CVD 1 (DS 379) and China CVD 2 (DS 437) disputes.