Carlos Diez

Dispute Resolution: Arbitration; Construction Arbitration; Construction Disputes; Arbitration-Related Litigation; Award Annulment Proceedings; Interim Measures; Contract Disputes

Carlos Diez is a partner with 11 years of experience, focusing on complex construction disputes arising from major infrastructure projects.

He regularly advises on disputes involving multi-causal disruption claims, contract termination, extensions of time and the overlapping technical and contractual issues that affect project performance. His practice spans road and transportation infrastructure, healthcare and educational facilities, mining and energy projects, irrigation systems and other complex civil engineering works.

Carlos combines a strong understanding of project execution with arbitration strategy, allowing him to tailor his approach to the technical and contractual characteristics of each matter. He also has significant experience in arbitration-related litigation, particularly proceedings for the annulment of arbitral awards and applications for interim measures.

Constructora San José S.A.C. (Peru)

Sacyr Construcción S.A. – Sucursal del Perú (Spain)

Mota Engil Perú S.A.C. (Portugal)

Geoconsult S.A. Consultores Generales (Peru)

Imesapi S.A. – Sucursal del Perú (Spain)

Copisa Constructora Pirenaica S.A. – Sucursal Perú (Spain)

Aldesa Construcciones S.A. – Sucursal del Perú (Spain)

His expertise in the field has been consistently recognized by Chambers and Partners, ranking him as an “Associate to Watch” in “Dispute Resolution: Arbitration” [2022 – 2024].

Constructora San José – Checca–Mazocruz Highway Arbitration

Member of the team representing Constructora San José in a USD 80.2 million arbitration arising from a major highway project in Peru. The dispute concerns the validity of the employer’s termination of the contract, together with 14 extension-of-time and cost-overrun claims.

Mota Engil – SIMA Naval Infrastructure Arbitration

Member of the team advising Mota Engil in an arbitration arising from a USD 34 million naval infrastructure contract. The proceedings resulted in a favourable award granting USD 4.7 million to the client, whose validity was subsequently upheld by the Peruvian courts.

Sacyr Construcción Perú – ICC Arbitration

Member of the team advising Sacyr in an ICC arbitration arising from a USD 135 million contract related to the transportation and delivery of natural gas. The dispute concerned contractual performance and the attempted enforcement of a USD 5.3 million bank guarantee, and concluded through an out-of-court settlement.

Universidad de Lima

Law degree

2014

Georgetown University Law Center

LL.M., Certificate in International Arbitration & Dispute Resolution

2023

Construction

Transportation

Mining

Energy

Oil & Gas

Education

Healthcare

Irrigation