Profile
Work Department
Position
Partner
Career
Sebastián is one of the founding partners of MSyA Abogados, and has a recognized background in environmental law, highlighting his active participation in the design and implementation of environmental institutions, as well as his experience advising investment projects associated with multiple economic sectors, in all their stages, in the processing of authorizations and permits, in the analysis of territorial compatibility, in procedures for the development of regulations and management instruments, in the negotiation with stakeholders, and in the defense in sanctioning procedures and complex litigation.
Before founding MSyA, he worked in the Executive Directorate of the Environmental Evaluation Service and in the Environmental Superintendence, where he led the defense of the Superintendence in emblematic cases at the Environmental Courts, the control of legality of sanctioning procedures, the elaboration of the Regulation of Compliance Programs, Self-Complaints and Remediation Plans, among others. In the private sector, stands out his experience as partner in charge of the environmental and natural resources area of Urrutia & Cía.
Languages
Memberships
Education
» Law, Faculty of Law, Universidad de los Andes.
» Master of Laws (LL.M.) Environmental Law and Natural Resources Certificate, Duke University.
» Master in Environment: Management, Evaluation and Environmental Law, Universidad Finis Terrae.
» Negotiation and Leadership Program, Harvard Law School.
» Diploma in Urban Development Law, Universidad de Los Andes.
Content supplied by Moreno Sáez & Avilés
Testimonials
Collated independently by Legal 500 research team.
‘It's a highly experienced team, distinguished by its ability to adapt its management and solutions to the client's needs. A very similar situation applies to invoicing, as they are highly flexible in issuing payment statements, separating them by project, which is managed jointly month-by-month. Likewise, their work proposals are highly convenient because they seek to create a harmonious balance between the needs of each party.'
‘Experience that is constantly updated, and the resilience to address customer needs and generate innovative solutions.’
‘They are distinguished by having a team capable of providing quick and decisive responses to urgent and contingent situations.’
‘Sebastián Avilés and José Adolfo Moreno stand out for their extensive experience and sound judgment, which allows them to provide comprehensive consulting services from the business perspective. They are clear, prompt, and deliver effective results. They propose innovative solutions and are involved in the details of all procedures. I particularly highlight the fact that they are personally involved in the assignments we carry out at my company, as their non-delegable participation is essential to us.’
‘This is a solid team that provides outstanding service on environmental issues. It is also diverse, both in terms of its equal gender ratio and the professional background of its members (many with relevant experience in the public sector).’
‘Precise knowledge of the authority's criteria, original defence proposals, and excellent turnaround time.’
Key clients
- AES Andes Generadora Metropolitana Albemarle Corporation COPEC HIF Global Compañía Minera Doña Inés de Collahuasi Compañía Minera El Abra Empresa Portuaria Valparaíso Crillon Celulosa Arauco y Constitución

