A member of Winston & Strawn LLP Executive Committee and a multilingual partner, Julissa focuses her practice on complex commercial litigation, regulatory enforcement, international arbitration, and cross-border disputes. She provides U.S. and international clients with strategic advice and risk assessment in managing transnational issues. She advises a wide variety of clients, including institutions, companies, and individuals over a myriad of sectors.
Julissa’s extensive experience includes analyzing and advising on complex cross-border litigations, investigations, and disputes before U.S. courts and federal agencies. She has conducted arbitrations under major international rules, including the ICC and UNCITRAL, and managed a host of bilateral investment treaty disputes. Since August of 2019, she has been admitted to practice before the U.S. Supreme Court.
Julissa recently served as U.S. Ambassador to Spain and Andorra and was the first woman to hold the position. In her role as Ambassador, Julissa oversaw a critical U.S. mission with a host of U.S. federal agencies covering economic, political, and defense and security matters. She was a tireless advocate for American companies doing business in Spain and supported historic levels of investment by Spanish companies in the U.S. During her tenure, Spain was the host of the 2022 NATO Summit and held the presidency of the Council of the European Union.