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César Zumárraga


César ZUMARRAGA is a partner at Tobar ZVS and head of the Natural Resources, Energy and Infrastructure practice group. He has extensive experience in national and international transactions, principally focusing on the energy, natural resources and infrastructure industries. Mr. ZUMARRAGA is a member of the International Bar Association (IBA), The Foundation (formerly Rocky Mountain Mineral Law Foundation) and the PDAC (Prospector and Developers Association of Canada).Due to his work, Mr. ZUMARRAGA has been consistently ranked by publications such as The Legal 500 and Who´s Who Legal Mining, among others.Chambers Global and Chambers Latin America ranked César ZUMARRAGA as tier one leading mining practitioner in Ecuador and emphasised: “Top-tier practitioner César Zumárraga is highly esteemed by clients and peers alike in Ecuador for his extensive experience and in-depth expertise in mining transactions, policies, and regulations. He also offers a seasoned practice in energy-related mandates. A client enthuses: "I have never seen someone combining knowledge of energy matters, clarity over the national regulatory framework, and understanding of the investor's needs as César Zumárraga does. His support does make a difference to his clients."César ZUMARRAGA has been recognised by Who's Who Legal as a Mining Global Leader in the 2023 edition. The Who´s Who Legal says: “César Zumárraga enjoys a stellar reputation in the international mining market thanks to his expert handling of complex cross-border mining transactions". WWL also says: “César Zumárraga impresses market commentators with his world-class natural resources practice and deep understanding of mining transactions”.The Legal 500 states: “Cesar Zumarraga possesses ample experience in national and international transactions, mainly focused on the energy, natural resources and infrastructure industries. He has represented Canadian, North American and European companies in developing investment projects, especially through state concessions in Ecuador”.He is the author of the Ecuadorian chapter for Mining of the Getting the Deal Trough. Recently, he was appointed Professor and Director of Mining Law in the Diploma in Renewable and Non-renewable Energy Law by the Universidad San Francisco de Quito USFQ.Mr. ZUMARRAGA is also an arbitrator of the Arbitration Centre of the Quito Chamber of Commerce.Practice areas: Natural Resources, Energy and Infrastructure

Languages: Spanish and English


Chambers and Partners 2023 - Band 1

César Zumárraga

Legal 500 2023 - Leading Individual

The Legal 500 – The Clients Guide to Law Firms

Recognized as a "Mining Global Leader" by Who's Who Legal Mining Lawyers