JOSEFA REYES C.
Senior Associate

PRACTICE AREAS

Project and Infrastructure
Energy
M&A

INDUSTRIES

Power
Natural Gas
Mining
Infrastructure and Concessions
Water and Desalination 

Josefa Reyes is a Senior Associate and a member of Prieto’s Projects and Infrastructure, Energy and M&A teams.

Her practice focuses on advising leading domestic and international companies in the energy, mining, infrastructure, concessions and desalination sectors. She has participated in public and private tender processes, as well as in the drafting, review and negotiation of construction, supply, operation and maintenance agreements and other contracts related to the development of infrastructure and energy projects, including seawater supply agreements, projects involving the reuse of existing infrastructure to supply water to mining operations, and gas transportation agreements.

She also has experience providing ongoing contractual advice to clients in these industries throughout the different stages of project development and execution, including the management, analysis and resolution of contractual claims.

During her time at Prieto, Josefa spent nearly two years on secondment with an electric transmission company responsible for developing one of Chile’s most significant energy infrastructure projects. In this role, she provided ongoing legal advice throughout the development and execution stages of the project and was actively involved in the contract management of the project’s main agreements, including matters related to construction, contractor management and contractual claims.

Josefa joined Prieto in 2022. Prior to joining the firm, she worked as an associate in the Infrastructure, Construction, Concessions and Public Procurement practice at DS Abogados, where she had previously been a member of the Litigation and Arbitration team. She also worked at Lagos, Maclean Abogados.

She is currently pursuing a Master of Laws (LL.M.) with a concentration in Regulatory Law at Pontificia Universidad Católica de Chile.

EDUCATION

  • Diploma in Administrative Contracting and Public Procurement, Pontificia Universidad Católica, 2021.
  • Diploma in Construction Law, Universidad de Los Andes, 2020.
  • Course on “Development and Financing of Non-Conventional Renewable Energy Projects: Regulatory Aspects”, Universidad de los Andes, 2022.
  • Law Degree, Universidad Diego Portales, 2017.

MEMBERSHIPS

  • Chilean Society of Construction Law (SCHDC).
  • Women in Mining Chile (WIM)
  • Red de Abogadas en Minería
  • Women in Real Estate (WRE)

RELATED NEWS AND TRANSACTIONS

August 31, 2026 in Anahí Díaz, Emilio del Real, Featured, José María Lagos, Josefa Reyes, Martina Katscher, Nicolás Yuraszeck

Proyecto de Ley de Reconstrucción: 
TC rechaza requerimiento del Ejecutivo contra norma que obliga reponer servicios básicos en las zonas de catástrofe

El 25 de agosto de 2026, el Tribunal Constitucional ("TC") rechazó por nueve votos contra uno el requerimiento de inconstitucionalidad presentado por el Ejecutivo respecto del artículo 31 del proyecto…
Read More
August 7, 2026 in Josefa Reyes, Martina Katscher, Nicolás Yuraszeck, Operaciones, Transactions

Engie Energía Chile

Prieto advised Engie Energía Chile on the development of infrastructure for the supply of seawater to mining and industrial clients in Mejillones, Antofagasta Region. The project repurposes existing facilities of…
Read More
June 30, 2025 in Agustín Prado, Claudia Pacheco, Cristóbal Ipinza, Featured, Josefa Reyes, Judicial, Legal News, Nicolás Yuraszeck

Fallo del mes | DESPUÉS DE 10 AÑOS: El conflicto judicial asociado al Puente Cau-Cau llega a su fin

La Corte Suprema resolvió recientemente el conflicto entre AZVI Chile S.A., contratista a cargo de la construcción del Puente Cau-Cau, y el Fisco, en virtud de un contrato pactado bajo…
Read More
June 25, 2024 in Aníbal Larrain, Emilia Valenzuela, José María Lagos, Josefa Reyes, Mario Gorziglia, Nicolás Yuraszeck, Press

Consorcio entre Almar Water Solutions y Transelec recibe financiamiento por USD 1.500 millones

Junio 25, 2024 | LexLatin | LEER
Read More
June 18, 2024 in Aníbal Larrain, Emilia Valenzuela, José María Lagos, Josefa Reyes, Mario Gorziglia, Nicolás Yuraszeck, Press

Multiple firms in US$1.5 billion Centinela mining expansion in Chile

Junio 18, 2024 | Latin Lawyer | LEER
Read More
June 6, 2023 in Federico Rodríguez, Josefa Reyes, Press, Publications

Several firms steer US$150 million solar acquisitions in Chile

June 6, 2023 | Latin Lawyer | READ
Read More