“Clients highlight the flexibility and fast response time. Brings vast expertise in mining, financing and foreign investment to the table”, Chambers & Partners
Practice Areas

Banking and Finance
Corporate Law
Energy and Natural Resources
Project Finance and Infrastructure
Mergers and Acquisitions
Environmental Law
Capital Markets

Professional Experience

Urenda Rencoret Orrego & Dörr (From 1986 until this date)
Sullivan & Cromwell, New York (1991 – 1992)


Master of Comparative Jurisprudence, New York University – NYU (1991)
Bachelor of Law, Universidad de Chile (1986)


“Adds important experience in energy and mining matters to the banking team’s work in project finance” Chambers & Partners Latin America, Banking & Finance
“Specializes in project finance and foreign investment”, Chambers & Partners Latin America, Banking & Finance
“Clients highlight the flexibility and fast response time” Chambers & Partners Latin America, Energy & NNRR
“Very responsive and extremely knowledgeable on mining law”, “Has a great deal of experience counselling foreign and local investors in mining projects covering financing, acquisitions and corporate matters”, Chambers & Partners Latin America, Mining
“Sergio Orrego is highly regarded”, The Legal 500 Corporate/M&A, Energy, Natural Resources and Environment

Academic Activities

He has lectured in several international seminars and international conferences on foreign investment in Chile, issuance of bonds for mining companies, issuance of ADRs, among others.


The Rocky Mountain Mineral Law Foundation
Chilean Bar Association


English and Spanish