Billionaire Profile
Rubens Ometto Silveira Mello
Global Rank
#2711

Image: TV BrasilGov | CC BY 3.0 | via Wikimedia Commons

Rubens Ometto Silveira Mello

CEO, Sugar
BRAZIL
Real-Time Net Worth
$1.446B
Estimated based on Sugar stock value as of April 20, 2026
0% (24h)
Age
76
Source
Sugar, ethanol
Industry
Energy
Citizenship
BRAZIL

Biography

Rubens Ometto Silveira Mello (born February 24, 1950) is a Brazilian billionaire businessman, primarily known for transforming Cosan S.A. into a global leader in sugarcane processing, ethanol production, and energy logistics. His wealth source is sugar and ethanol. Mello's career includes pivotal roles, such as CEO of Cosan. His leadership has been instrumental in expanding Cosan into a diversified conglomerate, including Raízen, Rumo, and other significant subsidiaries. As of 2024, his net worth is estimated at $1.5 billion, reflecting his influence in Brazil's agribusiness and energy sectors.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Rubens Ometto Silveira Mello was born in Piracicaba, São Paulo, Brazil, on February 24, 1950. He comes from a family with deep roots in agriculture. His great-grandparents were Italian immigrants who started agricultural activities in the region. Ometto earned a degree in production engineering from the Polytechnic School of the University of São Paulo (USP) in 1972. He also holds a graduate degree in Finance from UNIMEP, and an MBA from Fundação Getulio Vargas (FGV) with an extension at Ohio University.

Rise to Success

Before joining Cosan, Ometto worked as an executive at Unibanco and then as a financial director at Grupo Votorantim. He entered the family business in the second half of the 1980s, taking on the presidency of Cosan. Under his leadership, Cosan expanded significantly, focusing on the energy and infrastructure sectors. Ometto led the company's growth, making Cosan the largest sugar and ethanol producer in Brazil and one of the largest in the world. In 2007, he became the world's first ethanol billionaire.

Key Business Strategies

Ometto's strategic vision transformed Cosan into a major player in the agribusiness and energy sectors. He expanded Cosan through acquisitions and partnerships, including a joint venture with Shell, Raízen. Cosan has grown to control major subsidiaries including Raízen (a joint venture with Shell focused on biofuels and sugar), Rumo (Latin America's largest rail operator), Compass (a natural gas distributor), and Moove (a lubricants producer), overseeing operations across agriculture, infrastructure, and renewable energy sectors that span over 1.3 million hectares of farmland.

Philanthropy

Rubens Ometto Silveira Mello is involved in philanthropic causes and serves on the board of Gerando Falcões and the Advisory Board of Instituto de Cidadania Empresarial (ICE). In 2022, he donated R$4 million to the NGO Gerando Falcões.

Career Milestones

1971-1973

Executive

Worked as a corporate executive at Unibanco.

1974

Financial Director

Became the financial director of the Votorantim Group.

1986

President

Assumed the presidency of Cosan.

2007

World's First Ethanol Billionaire

Became the first ethanol billionaire.

Philanthropy & Social Impact

Community Development

Gerando Falcões

$0.8M

Donated R$4 million in 2022 to the NGO, which works to combat hunger and transform vulnerable communities. (Conversion from BRL to USD approximate.)

Business Philosophy & Leadership

Notable Quotes

"“É fundamental para o Brasil de hoje o sucesso do agronegócio.” (It is fundamental for Brazil today the success of agribusiness.)"