Diego P. Fernández Arroyo

Participant Type: 

Individual

Involved in 11 cases (10 International Investment Agreement (Investor–State) · 2 Investment Protection Disputes · 1 Contract (Investor–State)) · evidenced by 91 case documents on record

Tribunal Chair / President 6 cases in this role

• Alicia Grace and others v. United Mexican States, ICSID Case No. UNCT/18/4 View case details
  33 source documents

  • Alicia Grace and others v. Mexico, Reasons for Decision, April 10, 2026
  • Alicia Grace and others v. United Mexican States, Annex A to Procedural Order No. 7
  • Alicia Grace and others v. United Mexican States, Annex A: Updated Calendar
  • Alicia Grace and others v. United Mexican States, Annex B to Procedural Order No. 7
  • Alicia Grace and others v. United Mexican States, Award
  • Alicia Grace and others v. United Mexican States, Claimants’ Letter regarding corrections to the Statement of Claim
  • Alicia Grace and others v. United Mexican States, Letter from the Tribunal to the disputing parties amending the procedural calendar of PO 5
  • Alicia Grace and others v. United Mexican States, Notice of Arbitration
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 1
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 2
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 3
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 4
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 5
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 6 (Decision on the Claimant's Application for Interim Measures)
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 7
  • Alicia Grace and others v. United Mexican States, Procedural Order No. 8
  • Alicia Grace and others v. United Mexican States, Statement of Claim
  • Alicia Grace and others v. United Mexican States, Statement of Defence
  • Annex A to Procedural Order No. 23
  • Annex A to Procedural Order No. 29
  • Annex B to Procedural Order No. 23
  • Annex B to Procedural Order No. 29
  • Annex C to Procedural Order No. 29
  • Annex D to Procedural Order No. 29
  • Procedural Order No. 22
  • Procedural Order No. 23
  • Procedural Order No. 24
  • Procedural Order No. 25
  • Procedural Order No. 26
  • Procedural Order No. 27
  • Procedural Order No. 28
  • Procedural Order No. 29
  • Procedural Order No. 30
• Diamante Trading Investments Ltd. and others v. Bolivarian Republic of Venezuela, PCA Case No. 2019-49 View case details
  1 source document

  • Diamante Trading Investments and others v. Venezuela, Final Award, May 27, 2025
• ENAGÁS S.A. (España) and ENAGÁS Internacional S.L.U. (España) v. Republic of Peru (I), ICSID Case No. ARB/18/26 View case details
  1 source document

  • ENAGÁS S.A. (España) and ENAGÁS Internacional S.L.U. (España) v. Republic of Peru, Peru's Ministerial Resolution Regarding Counsel Appointment
• Eléctricas de Medellín Ingeniería y Servicios S.A.S. v. Republic of Honduras, ICSID Case No. ARB/24/24 View case details
  4 source documents

  • EDEMSA v. Honduras, Procedural Order No. 1, Jan 15, 2025
  • EDEMSA v. Honduras, Procedural Order No. 2 (Decision on Bifurcation), June 11, 2025
  • Eléctricas de Medellín Ingeniería y Servicios S.A.S. v. Republic of Honduras, Notice of Intent
  • Eléctricas de Medellín Ingeniería y Servicios S.A.S. v. Republic of Honduras, Request for Arbitration
• Energía y Renovación Holding, S.A. v. Republic of Guatemala, ICSID Case No. ARB/21/56 View case details
  15 source documents

  • Award of the Tribunal
  • Energía y Renovación Holding v. Guatemala, Decision on Rectification, June 27, 2025
  • Energía y Renovación Holding, S.A. v. Republic of Guatemala, Procedural Order No. 12
  • Procedural Order No. 1
  • Procedural Order No. 10
  • Procedural Order No. 11
  • Procedural Order No. 2 - Decision on Bifurcation
  • Procedural Order No. 3 - Decision on Request to Intervene as a Non-Disputing Party
  • Procedural Order No. 3 Partial Dissenting Opinion of Prof. Raul Vinuesa on Non-Disputing Party Participation
  • Procedural Order No. 4 - Confidentiality
  • Procedural Order No. 5 - On the Submission of Non-Disputing Parties
  • Procedural Order No. 6
  • Procedural Order No. 7
  • Procedural Order No. 8
  • Procedural Order No. 9
• Michael Anthony Lee-Chin v. Dominican Republic, ICSID Case No. UNCT/18/3 View case details
  7 source documents

  • Decision on Request for Rectification
  • Michael Anthony Lee-Chin v. Dominican Republic, Dissenting Opinion of Professor Marcelo Kohen
  • Michael Anthony Lee-Chin v. Dominican Republic, Partial Award on Jurisdiction
  • Michael Anthony Lee-Chin v. Dominican Republic, Procedural Order No. 1
  • Michael Anthony Lee-Chin v. Dominican Republic, Procedural Order No. 2 (Spanish)
  • Michael Anthony Lee-Chin v. Dominican Republic, Procedural Order No. 3
  • Michael Anthony Lee-Chin v. Dominican Republic, Procedural Order No. 4

Arbitrator 5 cases in this role

• Astrida Benita Carrizosa v. Republic of Colombia, ICSID Case No. ARB/18/5 View case details
  8 source documents

  • Astrida Benita Carrizosa v. Republic of Colombia, Claimant's Memorial on Jurisdiction
  • Astrida Benita Carrizosa v. Republic of Colombia, Claimant's Reply on Jurisdiction
  • Astrida Benita Carrizosa v. Republic of Colombia, Procedural Order N0. 1
  • Astrida Benita Carrizosa v. Republic of Colombia, Procedural Order No. 2
  • Astrida Benita Carrizosa v. Republic of Colombia, Procedural Order No. 3
  • Astrida Benita Carrizosa v. Republic of Colombia, Respondent's Counter-Memorial on Jurisdiction
  • Astrida Benita Carrizosa v. Republic of Colombia, Respondent's Rejoinder on Jurisdiction
  • Astrida Benita Carrizosa v. Republic of Colombia, Respondent's Rejoinder on Jurisdiction
• ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela, ICSID Case No. ARB/07/30 View case details
  6 source documents

  • ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela, Order on Applicant's Representation
  • ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela, Chair's Decision on the Proposal for Disqualification
  • ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela, Decision on Annulment
  • ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela, Order on Venezuela's Representation (Spanish)
  • ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela, Procedural Order No. 1
  • ConocoPhillips Petrozuata B.V., ConocoPhillips Hamaca B.V. and ConocoPhillips Gulf of Paria B.V. v. Bolivarian Republic of Venezuela,Lord Phillips Recomendation
• Jindal Steel Bolivia S.A. v. Plurinational State of Bolivia, Corporación Minera de Bolivia and Empresa Siderúrgica del Mutún, ICC Case No. 20086/ASM/JPA View case details
  2 source documents

  • Jindal Steel Bolivia S.A. v. Plurinational State of Bolivia, Corporación Minera de Bolivia and Empresa Siderúrgica del Mutún, Award on Jurisdiction and Admissibility
  • Jindal Steel Bolivia S.A. v. Plurinational State of Bolivia, Corporación Minera de Bolivia and Empresa Siderúrgica del Mutún, Dissenting Opinion of Arbitrator Eduardo Zuleta
• Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, ICSID Case No. ARB/24/8 View case details
  12 source documents

  • Machado v. Angola, Respondent's Statement of Defense, Nov 27, 2025
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Claimant’s Statement of Costs Regarding Rule 41 Objection
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Claimant’s Rejoinder to Respondent’s Objection under Rule 41
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Claimant’s Response to Respondent’s Objection under Rule 41
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Claimant’s Statement of Claim
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Decision on the Respondent’s Rule 41(1)
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Procedural Order No. 1
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Procedural Order No. 2
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Respondent's Reply regarding its Objection under Rule 41
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Respondent’s Objection under Rule 41
  • Ricardo Filomeno Duarte Ventura Leitão Machado v. Republic of Angola, Respondent’s Statement of Costs
  • italaw180986 - Machado v. Angola, Procedural Order No. 3 (Decision on Document Production), February 19, 2026.pdf
• Tenaris S.A. and Talta - Trading e Marketing Sociedade Unipessoal Lda. v. Bolivarian Republic of Venezuela, ICSID Case No. ARB/11/26 View case details
  1 source document

  • Tenaris S.A. and Talta - Trading e Marketing Sociedade Unipessoal Lda. v. Bolivarian Republic of Venezuela, Decision on the Request to Maintain the Stay of Enforcement of the Award