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Who's Who Legal
Who's Who Legal

Global Leader

Arbitration 2021

Professional Biography

WWL Ranking: Recommended

Peers and clients say

"Roberto is a great team leader and excellent strategic thinker"
"He is recommended for his strong knowledge and background in the field"
"Roberto is talented, creative and very user-friendly"


Roberto Aguirre Luzi specializes in counseling multinational corporations on complex arbitration. A partner in King & Spalding’s International Arbitration practice, Roberto has acted as counsel in several large stake international disputes in almost every jurisdiction in Latin America.

Roberto represents clients in complex arbitrations before the World Bank Group’s International Centre for Settlement of Investment Disputes and UN Commission on International Trade Law, as well as in arbitrations under the rules of the International Centre for Dispute Resolution, the International Chamber of Commerce, and the International Arbitration Chamber of Paris. Several of Roberto’s arbitration cases also involve complex litigations and criminal investigations. Roberto has extensive experience in civil and administrative law, public international law, investment law, government contracts, oil and gas contracts, public utilities, and power and infrastructure projects.

Listed as a leading member of the international arbitration bar in the 2011 Global Arbitration Review 45 Under 45 rankings, Roberto has also been individually recognized by Chambers Latin America and featured in Who’s Who in International Arbitration.  Ranked for Latin America-wide arbitration, Chambers Latin America noted he is "very skillful presenting arguments and cross-examining witnesses,” “Knowledgeable, highly proactive attitude,” and a “high-level bilingual lawyer.”

Roberto worked for five years as an associate for Marval, O’Farrell & Mairal in Buenos Aires before joining King & Spalding in 2003. He was born in San Juan, Argentina. He is fluent in Spanish and English, and reads French, Italian and Portuguese.  Roberto received his J.D. equivalent from University of Buenos Aires, Argentina and his LLM in International Public Law, from The University of Texas at Austin.

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