LAWYER PROFILE

Giovani Loss

Brazil 2026

Mattos Filho

Ranked in 2 practice areas

Energy & Natural Resources: Oil & Gas

Brazil

16 years ranked

Corporate/Commercial: Rio de Janeiro

Brazil

4 years ranked

About

Provided by Mattos Filho

Brazil: Regions

Practice Areas

Aviation; Administrative Law; Contracts & Project Development; Eletric Power; Infrastructure & Energy; Mining; Oil & Gas; Project Finance; Energy Transition

Career

Giovani focuses his practice on energy, oil & gas, and in particular, on merger and acquisition transactions, financing and regulatory issues involving these industries. He previously worked at the Houston office of Fulbright and Jaworski LLP (now Norton Rose Fulbright). Licensed to practice law in Brazil, England and New York, Giovani is a founding partner and chairman of the Brazilian Institute of Energy Law Studies (IBDE), a former chairman of the Oil & Gas Law Committee of the International Bar Association (IBA), and member of the executive committee of the Association of International Energy Negotiators (AIEN).

Education

Universidade Federal de Minas Gerais (UFMG)

Bachelor of Laws

Universidade de São Paulo (USP)

Master of Laws in Public Law

Stanford Law School, USA

Master of Laws (LL.M.)

Universidade de São Paulo (USP)

Doctoral Degree in Energy Analysis and Planning

Languages Spoken

Portuguese;

English;

Spanish;

Brazil: Industries & Sectors

Practice Areas

Aviation; Administrative Law; Contracts & Project Development; Electric Power; Infrastructure & Energy; Mining; Oil and Gas; Project Finance; Energy Transition.

Career

Education

Universidade Federal de Minas Gerais (UFMG)

Bachelor of Laws

Universidade de São Paulo (USP)

Master of Laws in Public Law

Stanford Law School, USA

Master of Laws (LL.M.)

Universidade de São Paulo (USP)

Doctoral Degree in Energy Analysis and Planning

Languages Spoken

Portuguese;

English;

Spanish;

Chambers Review

Provided by Chambers

Chambers Brazil: Industries & Sectors

Energy & Natural Resources: Oil & Gas - Brazil

Star Individuals

Individual Editorial

Giovani Loss is widely respected in the oil and gas market. He handles complex M&A and capital markets work and is noted for his dedication to the sector as well as for his outstanding knowledge of regulatory matters.

Learn more about this team View ranking table

Chambers Brazil: Regions

Corporate/Commercial: Rio de Janeiro - Brazil

Band 2

Individual Editorial

Partner Giovani Loss is praised by market sources for his solid practice in the energy, oil and gas, and corporate areas, handling sophisticated mandates in Rio de Janeiro.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Giovanni Loss is brilliant and I genuinely enjoy working with him. He has a very assertive nature, which gives me great confidence. He fights for the client and is also willing to challenge them when they are heading in the wrong direction. He is an upright professional, always focused on what is truly best for the client. Loss has deep knowledge of the gas sector, both in Brazil and globally, which is extremely reassuring.
Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
Giovani is a highly technical, trustworthy and experienced lawyer. His experience dealing with US matters is a significant advantage in cross-border transactions. He brings a rare level of business acumen, is extremely responsive, consistently available and always with a positive attitude. He is also proactive in introducing new contacts to our firm and helping companies connect and develop business opportunities.
Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
Giovani Loss is a standout lawyer with a strong pro‑business mindset.
Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
Giovani Loss is the star of the sector, the best oil and gas lawyer in the country.
Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
Giovani is one of the best professionals I've ever met. He is a business partner, an excellent risk identifier and someone who is deeply knowledgeable about the market.
Energy & Natural Resources: Oil & GasChambers Brazil: Industries & Sectors
Giovani Loss clearly stands out among his peers as an above-average professional with consistently outstanding technical and sector expertise. His most distinctive strength lies in his deep understanding of the oil and gas industry, extending beyond legal aspects to encompass its regulatory, operational and commercial dimensions. This comprehensive perspective enables him to act with precision and strategic clarity, delivering recommendations that are closely aligned with the sector’s realities.
Corporate/Commercial: Rio de JaneiroChambers Brazil: Regions