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AUM

Not disclosed

Principals

2

Principal Net Worth

$1.9B

Data Flags

World's first ethanol billionaire, Cosan NYSE listed, diversified energy; Forbes $1.4-1.9B (fluctuates with commodity prices)

Mello Family Office (Cosan)

SFOMedium Confidence

Sao Paulo, Brazil

Last verified: Jan 17, 2026

Details

Website
Unknown
Source of Wealth
Sugar, Ethanol, Energy (Cosan)
Assets Under Management
Not disclosed
Source File
research/organizations/mello-family-office.md
UID
fo-mello-family-office

Also Known As

Rubens Ometto Family OfficeMello CapitalCosan Family Office

Principals (2)

Rubens Ometto Silveira MelloFounder/Chairman, CosanOWNS
$1.9B
Family membersKGI/CDIB stakeholdersOWNS

Team Members (6)

Araujo AlvesTitle TBD
WORKS_AT
Big ShowTitle TBD
WORKS_AT
Carvalho DrummondTitle TBD
WORKS_AT
Eduardo MartinsTitle TBD
WORKS_AT
Otto CordesTitle TBD
WORKS_AT
Tiburcio FernandesTitle TBD
WORKS_AT

Related Entities (5)

Compass Gas & EnergySubsidiary

Natural gas distribution

Cosan S.A.Subsidiary

Listed energy/agribusiness (NYSE: CSAN, B3: CSAN3)

MooveSubsidiary

Lubricants

RaizenSubsidiary

Fuel distribution JV with Shell

RumoSubsidiary

Railroad logistics

Relationship Strength

Loading relationships...

Sources (4)

Changelog

  • 2026-01-17Verification review - maintained Medium (Forbes confirms but net worth volatile $1.4B-$1.9B with commodity prices; single source)
  • 2026-01-16Enriched with biography, Cosan/ethanol history, business empire
  • 2026-01-15Auto-generated from principal Rubens Ometto Silveira Mello

Engagement & Preferences