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Giovani Loss

Giovani Loss


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 vice-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 the only Brazilian on the board of the Association of International Energy Negotiators (AIEN).


Bachelor of Laws – Universidade Federal de Minas Gerais (UFMG);

Master of Laws in Public Law – Universidade de São Paulo (USP);

Master of Laws (LL.M.) – Stanford Law School, USA;

Doctoral Degree in Energy Analysis and Planning – Universidade de São Paulo (USP).



Chambers Brazil– Oil & Gas: Star Individual (2012 – 2023), Projects (2012 – 2022) and Corporate/Commercial: Rio de Janeiro (2022 – 2023);

Chambers Global – Oil & Gas (2012 – 2024); Foreign Expert USA: Oil & Gas (2011 – 2024); Projects (2012 – 2022); Foreign Expert USA: Projects (2018) and Expert Based Abroad USA: Energy & Natural Resources (2016);

LACCA Approved – Energy: Thought Leader (2020 – 2024), Corporate/M&A (2020 – 2024) and Project Finance; Infrastructure (2016 – 2023);

Latin Lawyer 250 – Corporate and M&A; Project Finance & Infrastructure;
Energy (2020 – 2024);

The Legal 500 – Energy and Natural Resources: Hydrocarbons: Hall of Fame (2023 – 2024) Leading Individuals (2012 – 2022) and Shipping: Leading Individuals: (2014 – 2016);

Análise Advocacia – Oil & Gas (2014, 2015, 2017 – 2022), Energy (2020) and Rio
de Janeiro (2017 – 2022);

Euromoney Expert Guides – Best of the Best Latin America: Energy and Natural
Resources (2016, 2022);

Finance Monthly – Dealmaker of the Year (2021);

IFLR 1000 – Banking; Capital Markets; Project Development; Project Finance: Highly Regarded (2018 – 2023), Banking; Capital Markets; Project Finance: Leading Lawyer (2015, 2017) e Energy and Infrastructure; Project Development: Leading Lawyer (2015 – 2016);

Who’s Who Legal Brazil – Energy (2014 – 2023); M&A (2022 – 2023) e Thought Leaders Brazil: Energy (2023);

Who’s Who Legal Global – Energy: Power Eletricity (2023); Energy: Oil & Gas (2023) e Thought Leaders: Energy Oil & Gas (2018 – 2023);

Who’s Who Legal Lawyer of the Year Award- First lawyer in Latin America to be
recognized (2018).

Único. The Mattos Filho news portal

Authored publications

Mattos Filho in the media

With Giovani Loss
Valor Econômico Internacional

Petrobras decides not to call shareholders meeting, causes controversy

The confirmation by Petrobras on Wednesday night (15) that the state-owned company believes it is not necessary to call a shareholders’ meeting to endorse Magda Chambriard as a board member surprised investors. They question the decision not to call the meeting now and leave it to April 2025, when a general meeting will take place.

Click here and read the article on Valor Internacional.

Areas of expertise

Valor Econômico Internacional

Political interference undermines governance at Petrobras

The Petrobras dividend crisis highlights a problem in the company’s governance, revealing a rift between the board of directors and the management team that does not bode well for the oil company, specialists in corporate governance and law told Valor. These frictions are the result of political interference that undermines the management of the state-run company, they say.

Click here and read the article on Valor Internacional.

Areas of expertise

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