José A Martínez de Hoz, Jr is one of the founding partners of Pérez Alati, Grondona, Benites, Arntsen & Martínez de Hoz (Jr), one of the leading law firms in Argentina. He is the head of the firm’s energy and arbitration groups, and is listed as a leading practitioner in the above-mentioned fields of law in Argentina by international and domestic publications. The firm’s arbitration group is listed in GAR 100: the 100 leading firms worldwide in international arbitration prepared by The International Journal of Public and Private Arbitration.
Mr Martínez de Hoz has a strong practice in energy and in both investment and commercial arbitration, leading the firm’s arbitration group in numerous international arbitration hearings, both in English and Spanish, representing clients from a variety of sectors and working with different regulatory frameworks. He is currently representing investors in several ICSID cases against Argentina arising from the measures taken since 2002 that abrogated various investment regulatory frameworks. He is also very active in International Chamber of Commerce and other types of commercial arbitration, including complex multi-party, multi-contract cases arising out of cross-border transactions.
Mr Martínez de Hoz is a member of the International Court of Arbitration of the ICC representing Argentina, and is listed as an arbitrator in several institutions, including the Energy Arbitrator’s List of the International Centre for Dispute Resolution of the American Arbitration Association (ICDR).