David Waltenberg is a new equity partner of SiqueiraCastro, one of the largest law firms in Brazil. With 40 years of experience in public life and the practice of law, David Waltenberg will be the national head of the Energy Practice Area, with responsibility for coordinating the lawyers of Advocacia Waltenberg who have followed him in joining SiqueiraCastro. 

With a law degree from the University of São Paulo (USP) Law School and specialization in business law from Mackenzie University, David Waltenberg was chief counsel of large companies in the energy segment, such as Companhia Paulista de Força e Luz and Eletropaulo, as well as legal coordinator of the National Department of Waters and Electric Energy, the predecessor to the National Electric Energy Agency (ANEEL). He also was a special consultant of the Project to Restructure the Brazilian Electricity Sector during the administration of President Fernando Henrique Cardoso, as well as the Project for Technical Assistance to the Energy Sector (“Projeto ESTAL”) and the New Institutional Model of the Brazilian Electricity Sector, during the Lula administration. 

David Waltenberg is one of the leading lights of Brazilian law regarding the energy sector, with uninterrupted top ranking in that sector by respected foreign publications such as Chambers Latin America, Chambers Global and The Legal 500. His work has also been recognized by the Brazilian publication Análise Advocacia.

According to the firm’s CEO, Carlos Fernando Siqueira Castro, SiqueiraCastro has a well-structured group of partners specialized in virtually all areas of law, directing efforts for verticalization of services for specific industries. “We have started this important project in the best way possible. We are bringing a titan to look after the interests of our clients that operate in one of the most important and dynamic sectors of the Brazilian economy. It’s a moment of great pleasure for our entire team.”

SiqueiraCastro has 18 offices in Brazilian capital cities, offering legal intelligence to businesses. The firm has more than 70 years of tradition and always seeks to evolve, with a commitment to being more than a full-service law firm: we are a full-solution firm.