José A Martínez de Hoz combines an almost unique strength: he is internationally recognised by the most prominent international publications as well as peers as a leading lawyer in oil and gas, project finance, and international arbitration and litigation.

Languages: Spanish, English and French.


University of Illinois (Illinois, USA). Master’s in comparative law, maximum grades in all courses.

Universidad Católica Argentina. Law degree, cum laude.


Founding partner. Martínez de Hoz & Rueda (2018–present).

Founding partner. Pérez Alati, Grondona, Benites, Arntsen & Martínez de Hoz (1991–2017). Partner at Klein & Mairal (1991). Associate at Klein & Mairal (1981–1991).

Representative at the Chamber of the Oil Industry (Argentina, 1986–1992).

Legal adviser to the Chamber of the Oil Industry and the Chamber of Argentine Oil Companies (Argentina, 1996–present).

This is part of a professional notice: all recommended firms are invited, but not required, to supply a professional notice and partner profiles, which are published in return for a fee.

Martínez de Hoz & Rueda

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