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Agustin G. Sanz and William Sullivan to speak at the National Arbitration Congress 2026 in Paraguay

Events 23rd June 2026

Agustín G. Sanz and Will Sullivan will speak at the National Arbitration Congress 2026, organised by the Legal Advisory Office of the Presidency of Paraguay, the Office of the Attorney General, and La Ley Paraguaya.

Agustín will deliver a keynote address on the importance of the new Paraguayan Arbitration Law to face the new challenges of international disputes. Will will also present on the importance of this new legal framework and the enforcement of emergency arbitration awards. The event will take place on 25 June at 16:00 in Asunción, Paraguay.

ABOUT AGUSTIN G. SANZ

Agustin is a partner in the Madrid office. He has been trained in the civil law and common law traditions and has extensive experience of both international commercial and investment treaty arbitration. He has experience under all of the major arbitral institutions, and ad hoc, across several jurisdictions, with a particular focus on Latin America, covering a broad range of sectors including infrastructure, energy, oil & gas, public contracts, and regulated industries. Agustin also has extensive experience advising international clients in connection with local administrative and court proceedings, settlement negotiations and contract renegotiations in the context of major disputes in Latin America. Agustin also sits as arbitrator.

He has been ranked as a “Future Leader” for arbitration by Lexology Index. Agustin previously worked at the Ministry of Economy and the Federal Communications Commission in Argentina, in addition to his academic roles at the University of Buenos Aires and the University of Chicago. Agustin teaches in Argentina, Ecuador, and Colombia, and speaks regularly on arbitration-related issues. He is admitted in Buenos Aires and in the District of Columbia (Special Legal Consultant), and speaks English and Spanish.

ABOUT WILLIAM SULLIVAN

Will is a senior associate in the Washington, DC office. He has advised clients in the energy, finance, food, manufacturing, software, and telecommunications sectors in treaty and international commercial arbitrations conducted under AAA, ICC, ICSID, JAMS, LCIA, and UNCITRAL rules as well as in enforcement proceedings in United States courts.

Will studied classics at Princeton, law at Yale, and legal history at the University of Chicago, where he received a PhD. Immediately before joining Three Crowns, Will held the Raoul Berger-Mark DeWolfe Howe Fellowship at Harvard Law School and taught Roman law at Boston College Law School. He previously served as a law clerk for Judge José A. Cabranes of the United States Court of Appeals for the Second Circuit and, before graduate school, taught classical languages at Phillips Exeter Academy in Exeter, NH. In 2025, he became the first American in decades to be awarded the high-level Diploma in private international law of the Hague Academy of International Law with the mention cum laude, the Academy’s highest distinction.