María José Campeny

Senior Associate

María José Campeny is a member of the Public Law and Regulated Markets Group.

Member of az since 2023. María José focuses her work in public law and regulated markets. She has represented clients in the processing of various administrative proceedings and in their defense in sanctioning procedures.

Areas of practice

Regulatory Litigation, Administrative Litigation.

Her practice has allowed her to obtain a deep knowledge of the functioning of the State Administration from the perspective of natural resources law, general administrative law, public procurement and sanctioning matters.

Additionally, she has developed highly specialized postgraduate studies in public law and has teaching experience in administrative law and administrative sanctioning law, which has allowed her to fully enhance her practice through theoretical knowledge of the subjects she deals with.

María José has experience in both the public and private sectors in matters of public law and regulated markets, having previously worked in law firms such as the Office of the Comptroller General of the Republic.


Lawyer, Pontificia Universidad Católica de Chile (2016).

LLM in Public Law, University College London (2023).


Carey y Cía, Associate (2018 – 2020).

Office of the Comptroller General of the Republic, Lawyer, General Secretariat Legal Unit (2020 – 2022).


Professor of Administrative Law, Universidad Católica Silva Henríquez.

Professor of Administrative Sanctioning Law, Diploma in Administrative Sanctioning Law, Pontificia Universidad Católica.


English, German


Advising a hydroelectric energy company in obtaining administrative permits before the DGA.

Representation of a sanitary company in inspection proceedings before the SISS.

Participation in due diligence for the purchase of an energy distribution company.

Advising a company in the installation of a desalination plant.

Handling of a water protection lawsuit in which the demolition of works that prevented the free flow of water was obtained.