José A. Martínez de Hoz

Arbitrators, counsel and experts

José A. Martínez de Hoz

Arbitrator, judge or committee member (published cases) · 4Counsel (published cases) · 6

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Record as arbitrator

4cases decided

0as chair or sole arbitrator

3appointed by claimants

0appointed by respondents

0appointed by States

1dissents

Outcome for the appointing side: claimant prevailed in 33% of the 3 claimant appointments. Published decisions with a clear outcome; mixed outcomes count as half.

Appointed by (party)

Appointed by clients of

Sat most often with

Also appeared as counsel with

Issues decided most often

indirect expropriation 2 dual nationality 1 Spain–Venezuela BIT 1 Barbados–Venezuela BIT 1 police powers 1 temporary occupation 1 SUNDDE 1 Ley Orgánica de Precios Justos 1 hoarding and boycott 1 food distribution 1 exchange rate 1 SICAD 1 purchasing power parity 1 DCF valuation 1 illiquidity discount 1 compound interest 1 double recovery 1 arbitrator challenge 1

Published cases (10)

2025
The Lopez-Goyne Family Trust and others v. Republic of Nicaragua
Co-arbitrator — appointed by the claimant (separate concurring opinion) · award p. 13

Tribunal: Luca G. Radicati di Brozolo, Brigitte Stern, Maxine M. Chesney
2025
Diamante Trading Investments Ltd. and others v. Bolivarian Republic of Venezuela
Co-arbitrator — appointed by the claimant (resigned 12 May 2023 after challenge by respondent) · award p. 22

Tribunal: Diego P. Fernández Arroyo, Joseph Tirado, Franco Ferrari, Federico Campolieti
2023
Red Eagle Exploration Limited v. Republic of Colombia
Co-arbitrator · award p. 1

Tribunal: Andrés Rigo Sureda, Philippe Sands
2021
América Móvil S.A.B. de C.V. v. Republic of Colombia
Co-arbitrator — appointed by the claimant (dissented) · award p. 1

Tribunal: Luca G. Radicati di Brozolo, Rodrigo Oreamuno
2019
Mobil Exploration and Development Inc. Suc. Argentina and Mobil Argentina S.A. v. Argentine Republic
Counsel for the claimant (Pérez Alati, Grondona, Benítez Arntsen & Martínez de Hoz (H) Abogados) · award p. 2

Tribunal: Gustaf Moller, Piero Bernardini, Antonio Remiro Brotons, Dominique Hascher
2016
Abaclat and Others v. Argentine Republic (formerly Giovanna a Beccara and Others v. The Argentine Republic)
Counsel for the claimant (Perez Alati, Grondona, Benites, Arntsen & Martinez de Hoz (Jr.)) · award p. 2

Tribunal: Pierre Tercier, Georges Abi-Saab, Albert Jan van den Berg, Robert Briner
2014
El Paso Energy International Company v. The Argentine Republic
Counsel for the claimant (Pérez Alati, Grondona, Benites, Arntsen & Martínez de Hoz (h)); Counsel for the claimant (Pérez, Alati, Grondona, Benites, Arntsen Martínez de Hoz (Jr.)) · award p. 1 · award p. 2

Tribunal: Lucius Caflisch, Piero Bernardini, Brigitte Stern, Lucius Caflisch
2008
Wintershall Aktiengesellschaft v. Argentine Republic
Counsel for the claimant (Pérez Alati, Grondona, Benites Arntsen & Martínez Hoz (Jr.)) · award p. 1

Tribunal: Fali S. Nariman, Santiago Torres Bernárdez, Piero Bernardini
2006
Pan American Energy LLC and BP Argentina Exploration Company v. The Argentine Republic
Counsel for the claimant (Pérez Alati, Grondona Benites, Arntsen & Martínez de Hoz (Jr.)) · award p. 4

Tribunal: Lucius Caflisch, Brigitte Stern, Albert Jan van den Berg
2006
BP America Production Company, Pan American Sur SRL, Pan American Fueguina, SRL and Pan American Continental SRL v. The Argentine Republic
Counsel for the claimant (Pérez Alati, Grondona Benites, Arntsen & Martínez de Hoz (Jr.)) · award p. 4

Tribunal: Lucius Caflisch, Brigitte Stern, Albert Jan van den Berg

Compiled with AI from the published awards and decisions in the Forum’s database; it covers public cases only and may contain matching errors. Each entry links to the page it was read from where available. Corrections: info@arbitration.org.