Rubens Ometto Silveira Mello vs Jeff Bezos
Real-time net worth, career, and company comparison — updated June 2026.
Wealth at a Glance
Net worth gap: $270.9B — equivalent to 99% of Jeff's total wealth.
Tale of the Tape
Career Highlights
Rubens Ometto Silveira Mello
- 1971-1973ExecutiveWorked as a corporate executive at Unibanco.
- 1974Financial DirectorBecame the financial director of the Votorantim Group.
- 1986PresidentAssumed the presidency of Cosan.
- 2007World's First Ethanol BillionaireBecame the first ethanol billionaire.
Jeff Bezos
- 1994Founded AmazonEstablished Amazon.com as an online bookstore in Seattle, Washington.
- 1997Amazon IPOTook Amazon public, raising $54 million.
- 2000Founded Blue OriginFounded Blue Origin, an aerospace manufacturer and sub-orbital spaceflight services company.
- 2013Acquired The Washington PostPurchased The Washington Post for $250 million.
- 2021Stepped down as Amazon CEOTransitioned to the role of Executive Chairman of Amazon.
Net Worth History
| Year | Rubens | Jeff | Leader |
|---|---|---|---|
| 2022 | — | $128.7B | — |
| 2023 | — | $111B | — |
| 2024 | $1.5B | $222.3B | Jeff |
| 2025 | $1.5B | $224B | Jeff |
| 2026 | $1.336B | $272.272B | Jeff |
The Verdict: Jeff Bezos vs Rubens Ometto Silveira Mello
As of June 2026, Jeff Bezos leads this comparison with a net worth of $272.272B, placing at #4 in the global rankings. Rubens Ometto Silveira Mello follows at $1.336B — a gap of $270.9B.
The two leaders come from distinct industries — Energy for Rubens Ometto Silveira Mello and Technology for Jeff Bezos. Comparing them is therefore a comparison of different underlying asset types, growth rates, and risk profiles rather than a simple head-to-head within the same market.
Rubens Ometto Silveira Mello is 76 years old versus 62 for Jeff Bezos, a difference of 14 years. Age context matters in wealth comparisons: a younger billionaire at the same net worth has had less time to accumulate — and in many cases represents a higher compound annual growth rate on their wealth.
Net worth figures are estimates calculated from public shareholding disclosures, stock price data, and reported asset values. See our full methodology.
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Net worth estimates updated daily from public financial disclosures. Methodology · Report an error