Luis Antonio
Semeghini de Souza

Professional Experience

Luis Souza is one of Brazil’s most respected lawyers. He built his reputation at major law firms, having initiated his career at Machado, Meyer, Sendacz e Opice. He left that law firm in 2001 to found Souza Cescon.

At Souza Cescon, a law firm that carried his name up to 2017, Luis Souza advised in some of Brazil’s major financing projects, among which are notable projects in the energy and natural resources sectors such as Petrobras’ Marlim Field project. Luis Souza currently represents GNA in the structuring of its regasification and power plant project.

Luis Antonio Semeghini de Souza

Pratice Areas

Project Finance
M&A and Private Equity


University of São Paulo Law School (USP, LL.B.) and Notre Dame University (LL.M.), England.


Luis Souza is ranked regularly by major local and global directories including Chambers and Partners, IFLR and Legal 500, as a leader in Brazil’s project finance field.


Brazilian Bar Association (OAB) in the states of São Paulo and Rio de Janeiro.

Member of the Advisory Board of the São Paulo Lawyers Institute (IASP).

President of the Permanent Council on Infrastructure Studies at IASP.

Legal Advisor of World Wide Fund for Nature (WWF) and of Instituto Four, which is the institute responsible for the ProLíder program that works towards the development of young leaders to promote social transformation and development of the country.


Mr. Souza has articles published in legal journals and is co-author of several collective works: Revisão judicial das decisões do CADE (São Paulo: Forum, 2011), Comentários à Nova Lei de Defesa da Concorrência (São Paulo: Método, 2012), Overview of Competition Law in Brazil (São Paulo: Singular, 2015), Overview of Competition Law in Latin America (São Paulo: IBRAC, 2016), Manual de Práticas Concorrenciais (São Paulo: FIESP, 2018), Merger Control in Brazil: Frequently Asked Questions (São Paulo: IBRAC, 2018), Conducts Enforcement in Brazil: Frequently Asked Questions (São Paulo: IBRAC, 2019), e Transparency, Corporate Governance and Compliance (Rio de Janeiro: FGV, 2019).

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