LAWYER PROFILE
Alexandre Bittencourt Calmon

Alexandre Bittencourt Calmon

Brazil 2026

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Ranked in 1 practice area

About

Provided by COSRO

Brazil: Industries & Sectors

Career

Alexandre is a highly skilled lawyer with extensive experience spanning the energy, oil, natural gas, and mining industries. He focuses his practice on contractual, regulatory, and transactional matters, serving clients within the infrastructure, energy, and natural resources sectors. In addition to his strong regulatory and contractual expertise, Alexandre possesses considerable experience in mergers and acquisitions (M&A), having provided counsel on some of Brazil's largest energy transactions.

Alexandre brings extensive expertise in oil and gas concession contracts, covering both onshore and offshore natural areas, production sharing agreements, joint operating agreements (JOAs), farm-in and farm-out operations, and oil marketing contracts. He is well-versed in natural gas regulatory issues, including transportation and purchase contracts, and is actively engaged in shaping the natural gas market in Brazil.

Throughout his career, Alexandre has played a pivotal role in acquisitions totaling over $15 billion, navigating complex regulatory discussions including the regulatory framework for the world's largest ethanol pipeline, and overseeing the acquisition and structuring of various mining projects domestically and internationally involving critical minerals, gold, iron ore, manganese, potassium, and diamonds. Additionally, he has advised on pioneering carbon capture and storage projects.

Alexandre has also authored several publications on oil and gas, energy transition, and carbon capture while delivering lectures for public and private institutions both in Brazil and abroad. He is also actively involved in initiatives providing free legal assistance to minorities and vulnerable populations, championing diversity in the legal services market in Brazil.

Professional Memberships

Brazilian Bar Association, São Paulo and Rio de Janeiro Sections

International Association of Energy Negotiators (AIEN)

Rocky Mountain Mineral Law Foundation (RMMLF)

Brazilian Institute of Energy Law (IBDE)

OAB/RJ Oil and Natural Gas Law Committee

Coordinator of IBDE's Natural Gas Committee

Chairman of the Legal Committee of the Brazil-Norway Chamber of Commerce (NBCC), 2018-2019

Co-Chair of:

AIEN Committee for the Adaptation of the Joint Operating Agreement (JOA) Model into Portuguese

RMMLF International Committee, 2019-2022: Co-chair of the O&G committee of the RMMLF Special Institutes on International Mining and Oil and Gas Law held in Colombia (2012), Ecuador (2016) and Mexico (2023), and member of the Organizing Committee for Peru (2025). Co-chair of the host committee of the RMMLF Special Institute on International Mining and Oil and Gas Law held in Rio de Janeiro in 2019.

Personal

- Professor of Commercial/Corporate Law, Escola de Direito da Universidade Santa Úrsula, Rio de Janeiro, 2004 – 2006

- Assistant Professor of Corporate Law, Escola de Direito da Universidade Santa Úrsula, Rio de Janeiro, 2002 – 2004

- Professor of Decommissioning, Refining Law, Regulatory Aspects of Data Acquisition and Regulatory Aspects of Oil & Gas Transportation of the Oil & Gas MBA, Instituto de Pesquisa, Educação e Tecnologia da Universidade Católica de Petrópolis, 2020-2021

Languages Spoken

Portuguese

English

Spanish

Chambers Review

Provided by Chambers

Chambers Brazil: Industries & Sectors

Energy & Natural Resources: Oil & Gas - Brazil

Band 2
Band 2

Individual Editorial

Alexandre Bittencourt Calmon is recognised for his work in the oil and gas arena, where he regularly assists clients with complex transactional and regulatory issues.

Strengths

Provided by Chambers

  • Alexandre Calmon is one of the most complete and strategic professionals in the Brazilian market. Calmon possesses a rare combination of technical depth and business acumen, which makes him a critical facilitator in highly complex projects. He doesn't just solve legal problems; he makes investments viable.

    Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
  • He stands out for his high level of seniority, deep knowledge of the energy sector, and strong ability to translate complex legal issues into practical business guidance. Alexandre Calmon acts with technical expertise, pragmatism and strategic vision, serving as a point of reference in regulatory and transactional discussions. His direct involvement adds credibility, efficiency and quality to the firm's deliverables.

    Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
  • Alexandre's work is marked by a deep understanding of complex regulatory and contractual issues, especially at the interface between business strategies. Regarding the level of complexity, Alexandre demonstrates an exceptional ability to handle highly sophisticated matters involving multiple stakeholders, excellent communication with government agents, institutional sensitivity and significant impacts on investment decisions and long-term planning.

    Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors

Ranked Individuals at COSRO (5)

Brazil

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