Sol Czerwonko is a litigation senior associate in the firm’s New York office who focuses her practice on international arbitration and cross-border litigation. She is a member of the firm’s International Dispute Resolution and Latin America Practice Groups.
Ms. Czerwonko’s recent representations include international commercial arbitrations involving complex contractual disputes, investor-State arbitrations under bilateral investment treaties, and high-stakes shareholder litigation. She has experience advising clients across multiple jurisdictions, including Argentina, Colombia, Chile, Peru, Mexico, and the United States, and representing parties in arbitrations under the auspices of the ICSID and ICC. In addition, Ms. Czerwonko has experience in litigation in the U.S. Court of Appeals for the Second Circuit and the U.S. District Court for the Southern District of New York.
In 2024, the American Bar Association granted Ms. Czerwonko the “On The Rise – Top 40 Young Lawyers” award, which recognizes attorneys across the United States who exemplify a broad range of high achievement, leadership and service to the legal profession. Moreover, Who’s Who Legal recognized Ms. Czerwonko as a Future Leader in international arbitration (2024-2026). The Legal 500 (2025) client testimonials have described Ms. Czerwonko as “extremely talented and a rising star.” Ms. Czerwonko has also been ranked by Chambers Latin America (2026) and Chambers Global (2026) with client testimonials noting that “Sol Czerwonko is spectacular. She is like a machine, she has everything under control and is very collaborative.”
Notably, Ms. Czerwonko has successfully represented YPF, the largest energy producer in the Republic of Argentina, defeating claims for roughly $15 billion in damages and prejudgment interest. This was a landmark win for YPF, securing dismissal of a case that has been pending in the U.S. District Court since 2015. Ms. Czerwonko has also successfully represented the Mexican subsidiary of a global energy company in an ICC arbitration arising out of contractual disputes related to the termination of two long-term contracts, obtaining a fully favorable award of over US$125 million.
She has an active pro bono practice focused on helping individuals from underserved Latin American communities in the United States. In recognition of her outstanding pro bono work, Ms. Czerwonko received Her Justice’s 2023 Commitment to Justice Award.
Ms. Czerwonko is an LL.M. graduate of New York University School of Law, where she was awarded the Dean’s Graduate Award, a merit-based tuition award granted to master students who demonstrated significant academic promise and achievement. Ms. Czerwonko received her J.D. from Austral University in Argentina, where she was the youngest graduate in her class and obtained the highest GPA achieved by any law student in almost a decade. She was also the recipient of the Gold Medal Award, the Excellence in Private Law Award, and the Best Research Paper Award. In addition, the Bar Association of the City of Buenos Aires awarded Ms. Czerwonko the Academic Excellence in Legal Studies Award and she was selected by Santander Rio Bank to receive the Academic Merit Award.
Ms. Czerwonko is regularly invited as guest lecturer at top schools, including New York University Law School and Columbia School of International and Public Affairs. She also frequently speaks at international arbitration conferences in the United States and Latin America, including at the American Bar Association Annual Conference and the Harvard Law School Annual International Arbitration Conference.
Ms. Czerwonko is admitted to practice law in New York and Argentina. She is also admitted to appear before the U.S. Court of Appeals for the Second Circuit and the U.S. District Court for the Southern and Eastern Districts of New York. She is a native Spanish speaker and fluent in English.