LISA A. CROSBY concentrates in customs law, sanctions and export controls. She advises companies on NAFTA origin requirements, tariff classification of imported goods and sanctions administered by Treasury's Office of Foreign Assets Control. She has represented companies undergoing NAFTA origin verifications and Customs audits. In 2002, Ms. Crosby was licensed as a customshouse broker by the U.S. Department of the Treasury. Prior to joining the firm, Ms. Crosby was an Honors Attorney in the Office of the General Counsel at the U.S. Department of the Treasury, where she worked on a variety of international trade matters, including sanctions, customs issues and enforcement matters. From 1987 to 1995, Ms. Crosby worked as an Import Specialist for the U.S. Customs Service. She began her career with Customs at the port of Baltimore, where she classified, appraised and administered quotas for textile imports. In 1991, Ms. Crosby transferred to Customs Headquarters in Washington, D.C., where she managed the customs aspects of a variety of international trade programs, including the Generalized System of Preferences, the United States-Israel Free Trade Area Agreement, the Caribbean Basin Economic Recovery Act and the Andean Trade Preference Act. Ms. Crosby also worked extensively on implementation of the North American Free Trade Agreement. While at Customs, Ms. Crosby was frequently invited to speak at seminars abroad for companies interested in exporting to the United States. After graduating from law school, Ms. Crosby served for two years as a law clerk to the Honorable Jaime Pieras, Jr. in the U.S. District Court for the District of Puerto Rico. Ms. Crosby has lived, worked and studied throughout Latin America, Europe and the Caribbean. She speaks Spanish fluently and has held a number of positions as an adjunct Spanish instructor.