Guillermo Acuña

Joaquín Montero Ossandón is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Joaquín Montero, who practices law in Santiago, Chile, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joaquín Montero is held by other top lawyers in the same geographic and legal practice area.

University Studies Universidad de Chile, School of Law, 1973. Montenegro Prize for the best graduate of his year, 1973. James B. Conant High School, Hoffman Estates, Illinois, United States of America, 1968-1969. Admitted to practice by the Supreme Court of Justice, 1975. Academic and Professional Activities Professor in Commercial Law, School of Law, Universidad de Chile, 1974. Author of Chilean and foreign publications. “Considerations about the principle of administrative legality&rd...

PROFESSIONAL BACKGROUND Law Degree, Supreme Court of Justice (1987). Law Degree, School of Law, Pontificia Universidad Católica de Chile, Santiago (1987). Master in Environmental Law, Universidad del Desarrollo (2016). Postgraduate degree in Environmental Law, Universidad del Desarrollo (2015). Master in Mining Law, Universidad de Atacama (2005). PROFESSIONAL EXPERIENCE Founder Claussen & Velasco law firm (2017). Legal Advisor, Universidad del Norte, Casa Central Antofagasta (1990)...

Paola is the head and Partner of the Environment and Natural Resources department of Ossandón Abogados. She focuses her practice on providing environmental consultancy on matters relating to administrative requests and defences before public and judicial authorities, environmental auditing reports, residual waste management, infraestructure, energy and water, among others. Previously, she worked as environmental advisor for the Mayor of the Metropolitan Region of Santiago, advising the...

LLB, Universidad de Chile Law School. Specialization Program “Environmental Policy Development and Implementation”, organized by the Environmental Law Institute, Washington, DC, United States. Senior Partner at Vergara Galindo Correa Abogados. Previously, partner of Urrutia & Cía; Head of the Legal Office National Environmental Commission, Director of National Environmental Commission of Metropolitan Region and Secretary of Decontamination Commission of Metropolitan Reg...

Tomás Menchaca Olivares is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Competition / Antitrust Law. Tomás Menchaca, who practices law in Santiago, Chile, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tomás Menchaca is held by other top lawyers in the same geographic and legal practice area.

Rodolfo Guerrero is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Rodolfo, who practices law in Santiago, Chile, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rodolfo is held by other top lawyers in the same geographic and legal practice area.

LLB, Pontificia Universidad Católica de Chile Law School (1991); Graduate of Master of Law Program, Universidad de Chile Law School. Senior Partner at VGC. Previously, Associate of Cariola Diez Pérez-Cotapos & Cía; Legal Advisor of ARCADIS; Attorney at Legal Office of National Environmental Commission. Professor of environmental law at several graduate and postgraduate programs including programs for the Judicial Academy. Head of the litigation department, responsible...

Matías Guzmán Ossa is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Matías, who practices law in Santiago, Chile, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matías is held by other top lawyers in the same geographic and legal practice area.

Alexander Kliwadenko is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Alexander, has focused his professional practice on infrastructure, advising on engineering, construction, and services contracts in the industrial, public works, and concessions sectors. He previously worked at Ibarra Asociados as partner, and, in the public sector, served as Chief of the Legal Division of the Concessions Coordinator of Chile’s Ministry of Public Works. This r...