Hierro Estudio Legal

Antonio Hierro

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Practice Areas

International Arbitration.


Founding partner, Hierro Estudio Legal, S.L.P. Specialises in international arbitration cases conducted in Spanish, English and French, mainly in Europe, Latin America and the United States. Arbitrator in more than 150 cases involving Construction & Engineering, Energy & Natural Resources, Mining, Government, Public Policy, National Defense and Major Infrastructure, administered by the ICC, PCA, ICSID, LCIA, CCL, CIMA, CAM, among others.

He founded and then led, for more than 16 years, the arbitration and litigation practice at Cuatrecasas, where he served as managing director from 2004 to 2008.

He began his professional career as State Attorney for the Spanish Government and later acted as Agent for the Kingdom of Spain before the European Union’s Court of Justice.

Professional Memberships

Madrid Bar (1983). IBA Arbitration Committee, ICC (former member of the Court). ICC Institute of World Business Law. ICC Commission on Arbitration and ADR. ICC Latin American Arbitration Group. ILA (Vice President of the Spanish Branch). LCIA (former member of the Court), CIETAC, SHIAC, AIAC, CEMARC, CAESP and BVI IAC.


Author of numerous Works on arbitration.


Chair of International Arbitration, Universidad Rey Juan Carlos-Madrid-Spain. Former President and now Honorary President, Spanish Arbitration Club. Honorary Professor, Universidad San Ignacio de Loyola, Lima-Peru.