Dyalá Jiménez

Commercial Arbitration — Selected Cases

• Presiding arbitrator in a dispute between Latin American parties in the construction sector (CCL Arbitration, seat Lima, Peruvian law, amount in dispute approx. USD 3 million, Spanish)
• Presiding arbitrator in a dispute between European, Latin American and North American parties in the energy sector (ICC Arbitration, seat Santiago, Chilean law, amount in dispute approx. USD 12 million, Spanish)
• Presiding arbitrator in a dispute between Latin American parties in the infrastructure sector (ICC Arbitration, seat Buenos Aires, Argentine law, amount in dispute approx. USD 100 million, Spanish)
• Presiding arbitrator in a dispute between Latin American, North American and European parties in the manufacturing sector (ICC Arbitration, seat Mexico City, UNIDROIT Principles of International Commercial Contracts (2016), amount in dispute approx. USD 54.6 million, English)
• Presiding arbitrator in a dispute between Latin American parties in the energy sector (ICC Arbitration, seat La Paz, Bolivian law, amount in dispute approx. USD 11 million, Spanish)
• Presiding arbitrator in a dispute between European and Latin American parties in the infrastructure sector (ICC Arbitration, seat Paris, Venezuelan law, amount in dispute approx. USD 96 million, Spanish)
• Presiding arbitrator in a dispute between Latin American parties in the energy sector (ICC Arbitration, seat Guatemala City, Guatemalan law, amount in dispute approx. USD 6.2 million, Spanish)
• Presiding arbitrator in a dispute between European and Latin American parties in the consulting services for the implementation of a digital public financial system (Ad Hoc Arbitration administered by CAM Santiago, seat Santiago, Ecuadorian law, amount in dispute approx. USD 43.2 million, Spanish)
• Presiding arbitrator in a dispute between Latin American parties in the energy sector (CCL Arbitration, seat Lima, Peruvian law, amount in dispute approx. USD 6 million, Spanish)
• Sole arbitrator in a dispute between Latin American parties in the supply, installation, commissioning, and acceptance of an electronic case file system (ICC Arbitration, seat San José, Peruvian law, amount in dispute approx. USD 11.5 million, Spanish)
• Sole arbitrator in a dispute between European parties in the manufacturing sector (LCIA Arbitration, seat London, CISG, amount in dispute approx. USD 1 million, English)
• Sole arbitrator in a dispute between European parties in the airport and construction sector (CIIAM Arbitration, seat Madrid, Spanish law, amount in dispute approx. USD 10 million, English)
• Emergency arbitrator in a dispute between Latin American parties in the energy sector (LCIA Arbitration, seat Mexico City, Mexican law, Spanish)
• Co-arbitrator in a dispute between Latin American and European parties in the financial sector (ICC Arbitration, seat Panama, Panamanian law, Spanish)
• Co-arbitrator in a dispute between Latin American and Asian parties in the construction sector (ICC Arbitration, seat São Paulo, Brazilian law, amount in dispute approx. USD 154.1 million, English)
• Co-arbitrator in a dispute between Latin American parties in the energy sector (ICC Arbitration, seat Mexico City, Mexican law, amount in dispute approx. USD 12.4 million, Spanish)
• Co-arbitrator in a dispute between Latin American and European parties in the water and sewer system sector (ICC Arbitration, seat Santo Domingo, Dominican law, amount in dispute approx. USD 24.3 million, Spanish)
• Co-arbitrator in a dispute between Latin American parties in the energy sector (ICC Arbitration, seat Santa Cruz de la Sierra, Bolivian law, amount in dispute approx. USD 13.1 million, Spanish)
• Co-arbitrator in a dispute between Latin American and Asian parties in the mining sector (ICDR Arbitration, seat Miami, Chilean law, English)

Investor-State Arbitration — Selected Cases

• Presiding arbitrator in ICSID Case No. ARB 25/4 — Overseas Real Estate LLC v. Republic of Honduras
• Presiding arbitrator in ICSID Case No. ARB 25/23 — Woodside Energy B.V. v. Republic of Senegal
• Co-arbitrator in ICSID Case No. ARB/23/1 — Canal Extensia S.A.U. v. Republic of Colombia
• Co-arbitrator in ICSID Case No. ARB 20/16 — AFC v. Colombia
• Co-arbitrator in ICSID Case No. ARB/24/40 — Minas de Revuboè Limitada v. Republic of Mozambique
• President of ad hoc annulment committee in ICSID Case No. ARB 15/27 — JGC Holdings Corp v. Kingdom of Spain
• President of ad hoc annulment committee in ICSID Case ARB 16/17 — Sun-Flower et al v. Kingdom of Spain
• Member of ad hoc annulment committee in ICSID Case No. ARB/20/8 — Freeport-McMoRan Inc. v. Republic of Peru
• Member of ad hoc annulment committee in ICSID ARB/21/27 — Interconexión Eléctrica S.A. E.S.P. v. Republic of Chile
• Member of ad hoc annulment committee in ICSID ARB 14/16 — Cyprus Popular Bank Public Co. Ltd v. Hellenic Republic
• Presiding arbitrator in PCA Case No. 2026-30 — Mikhail Maratovich Fridman v. Kingdom of the Netherlands
• Presiding arbitrator in PCA Case No. 2021/19 — Servicios Petroleros Igapó S.A. v. Empresa Pública de Hidrocarburos del Ecuador EP Petroecuador
• Presiding arbitrator in PCA Case No. 2020/45 — EcuadorTLC S.A. v. Republic of Ecuador
• Presiding arbitrator in an ad hoc case between European parties (amount in dispute approx. USD 8 billion)

Counsel

• Counsel to respondent in two related CCA (Costa Rican center arbitration rules) cases between a construction company and a state entity related to two projects
• Co-counsel to respondent in a CCBC Brazilian arbitration rules case with seat in Brazil between two private parties related to purchase of petroleum products
• Co-counsel to claimant in AAA/ICDR case with seat in the United States between an American company and a Costa Rican company related to a sales agreement
• Co-counsel to claimant in ICC arbitration with seat in Spain, in a dispute between private parties related to a concession agreement

Chambers Global ranks Dyalá among the "Most in Demand International Arbitrators — Latin America."

"A great arbitrator, and one of the most talented practitioners in Latin America." / "The best arbitrator in Costa Rica."

Dyalá is also featured in Who's Who Legal among the "Global Elite Thought Leaders."

"An excellent, transparent and efficient arbitrator." / "The most important player in the field" — "her work in high-profile cases is extraordinary."

• International Council for Commercial Arbitration (ICCA) — Vice President of the Governing Board
• International Council of Arbitration for Sport (ICAS) — Governing Board member
• Permanent Court of Arbitration — Expert Group member
• ICC Latin American Arbitration Group — member

• ICSID Panel of Arbitrators and Mediators for Costa Rica (2014–2026)
• ICC International Court of Arbitration — Member for Costa Rica (2021–2024)
• ICC ADR and Arbitration Commission — Vice President (2017–2018)

• Centro de Arbitraje CCL — Cámara de Comercio de Lima
• Cámara de Comercio Americana del Perú
• Centro de Conciliación y Arbitraje de Panamá
• Centro de Arbitraje y Conciliación — Cámara de Comercio de Bogotá
• Centro de Conciliación y Arbitraje de la Cámara de Comercio y Servicios del Uruguay
• Centro de RAC de la Cámara de Comercio de Santo Domingo

• Latin American Arbitration Association (ALARB)
• Institute for Transnational Arbitration (ITA)
• Club Español e Iberoamericano de Arbitraje (CEIA)
• International Arbitration Institute (IAI)

• Lecturer, DELOS Written Advocacy and Writing Awards Program (2023–present)
• UNIDROIT Correspondent for Costa Rica (2021–present)
• Co-professor in International Trade, Lead University, Costa Rica (2018)
• Co-editor-in-chief, ICC International Court of Arbitration, ADR Bulletin (2017–2018)
• Guest Professor, Universidad de Chile Law School (2006–2013)
• Professor, Heidelberg — Universidad de Chile LL.M. program (2004–2013)

• Government of Costa Rica — Minister of Foreign Trade (2018–2020)
• DJ Arbitraje — International arbitrator and mediator, San José, Costa Rica (2015–2018)
• Legislative Assembly of Costa Rica — Congressional advisor (2014–2015)
• Government of Costa Rica — Advisor to the Minister of Finance on congressional matters (2013–2014)
• DJ Arbitraje — International arbitrator and mediator, Santiago, Chile (2011–2013)
• Bofill Mir & Álvarez Jana — Senior Associate in international arbitration, Santiago, Chile (2009–2010)
• Carey & Cía. — Special Counsel for international arbitration, Santiago, Chile (2007–2009)
• International Chamber of Commerce, International Court of Arbitration — First Director for Latin America, based in Santiago, Chile (2004–2007)
• International Chamber of Commerce, International Court of Arbitration — Counsel (ADR team) and Deputy Counsel, Paris, France (2000–2004)
• Shearman & Sterling — Intern, international arbitration team, Paris, France (1999–2000)
• Government of Costa Rica — Director of the Office and Advisor to the First Vice President of the Republic (1996–1998)

• SIMC — Training course for international mediators (27 hours)
• CEDR-ICSID — Training course for mediators in Investor-State disputes (30 hours)
• Georgetown University — LLM in International Law (graduated with distinction; Fulbright scholar; President of Foreign Lawyers at Georgetown, FLAG)
• Universidad de Costa Rica — Law Degree (thesis with distinction; Philip C. Jessup International Moot Court Competition)

• Spanish — Native
• English — Bilingual
• French — Fluent
• Portuguese — Advanced