Tiffany Derentz
Senior Counsel
Berry Appleman & Leiden LLP
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Tiffany Derentz serves as Senior Counsel in the Washington, D.C. office of Berry Appleman & Leiden LLP. Tiffany joined BAL after nearly nine years with the U.S. State Department in the Bureau of Consular Affairs. There, she served as Deputy Chief of the Legal Advisory Opinions Division within the Visa Office, placing her at the forefront of legal issues impacting all facets of consular operations at U.S. Embassies and Consulates, including implementation of presidential proclamations under three administrations.

As the Department’s lead diplomatic visa expert, she worked closely with foreign government missions, international organizations, the Office of the Chief of Protocol, the Office of Foreign Missions, other federal government agencies, and federal law enforcement. Tiffany also served as a consular officer at multiple posts overseas, including in the Middle East and Russia. She has in-person experience working with consular sections worldwide, the National Visa Center, and the Kentucky Consular Center.