Guilherme Santos Mello

Chairman at PETROBRAS

Consumer Services

Energy Minerals

Government

Profile

Guilherme Santos Mello is currently Chairman at Petróleo Brasileiro SA since 2026, Chairman at Banco Nacional de Desenvolvimento Econômico e Social SA, and Director at Pré-Sal Petróleo SA. Formerly, Dr. Santos Mello was Director at BB. Seguridade Participações SA from 2023 to 2025 and Professor at Instituto de Economia from 2015 to 2023.
Education includes a doctorate from the University of Campinas conferred in 2013, a graduate degree from Pontifícia Universidade Católica de São Paulo in 2009, an undergraduate degree from Pontifícia Universidade Católica de São Paulo in 2006, and an undergraduate degree from The University of the South Pacific in 2008.

Guilherme Santos Mello active positions

Companies	Position	Start
PETROBRAS	Chairman	2026-04-15
Banco Nacional de Desenvolvimento Econômico e Social SA Banco Nacional de Desenvolvimento Econômico e Social SA General GovernmentGovernment Operates as a national government bank provides long-term financing services to the development, industry and foreign trade sectors	Chairman	-
Pré-Sal Petróleo SA Pré-Sal Petróleo SA Integrated OilEnergy Minerals Engages in production and distribution of oil and natural gas	Director/Board Member	-

All active positions of Guilherme Santos Mello

Former positions of Guilherme Santos Mello

Companies	Position	End
BB SEGURIDADE PARTICIPAÇÕES S.A.	Director/Board Member	2024-12-31
Instituto de Economia Instituto de Economia Other Consumer ServicesConsumer Services Functions as a College/University	Corporate Officer/Principal	2022-12-31

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Training of Guilherme Santos Mello

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Linked companies

Private companies	8
Petróleo Brasileiro SA Petróleo Brasileiro SA Integrated OilEnergy Minerals Engages in exploration, refining and processing of oil and natural gas	Energy Minerals
Banco Nacional de Desenvolvimento Econômico e Social SA Banco Nacional de Desenvolvimento Econômico e Social SA General GovernmentGovernment Operates as a national government bank provides long-term financing services to the development, industry and foreign trade sectors	Government
University of Campinas University of Campinas Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Pontifícia Universidade Católica de São Paulo Pontifícia Universidade Católica de São Paulo Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
The University of the South Pacific The University of the South Pacific Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
BB Seguridade Participações SA BB Seguridade Participações SA Multi-Line InsuranceFinance Provides life, property and vehicle insurance and brokerage services	Finance
Instituto de Economia Instituto de Economia Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Pré-Sal Petróleo SA Pré-Sal Petróleo SA Integrated OilEnergy Minerals Engages in production and distribution of oil and natural gas	Energy Minerals