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Net Worth Comparison

Rubens Ometto Silveira Mello vs Elon Musk

Real-time net worth, career, and company comparison — updated June 2026.

Rubens Ometto Silveira Mello

Rubens Ometto Silveira Mello

CEO, Sugar
Net Worth
$1.336B
+1.56% today
Elon Musk
Wealthier

Elon Musk

CEO, Tesla, Inc.
Net Worth
$807.656B
+$806.3B more than Rubens
+1.18% today

Wealth at a Glance

Rubens Ometto Silveira Mello$1.336B
Elon Musk$807.656B

Net worth gap: $806.3B — equivalent to 100% of Elon's total wealth.

Tale of the Tape

Rubens Ometto Silveira Mello
Elon Musk
$1.336B
Net Worth
$807.656B
#2846
Global Rank
#1
76
Age
54
BRAZIL
Country
UNITED STATES
Sugar, ethanol
Source of Wealth
Tesla, SpaceX
Energy
Industry
Technology
Production Engineering degree from the Polytechnic School of the University of São Paulo (USP), graduate degree in Finance from UNIMEP, and an MBA from Fundação Getulio Vargas (FGV)
Education
University of Pennsylvania (BA, BS)

Career Highlights

Rubens Ometto Silveira Mello

  1. 1971-1973
    Executive
    Worked as a corporate executive at Unibanco.
  2. 1974
    Financial Director
    Became the financial director of the Votorantim Group.
  3. 1986
    President
    Assumed the presidency of Cosan.
  4. 2007
    World's First Ethanol Billionaire
    Became the first ethanol billionaire.

Elon Musk

  1. 1995
    Co-founded Zip2
    Co-founded Zip2, an online city guide for newspapers.
  2. 1999
    Co-founded X.com
    Co-founded X.com, which later became PayPal.
  3. 2002
    Founded SpaceX
    Founded Space Exploration Technologies Corp. (SpaceX).
  4. 2004
    Became Chairman of Tesla
    Led the first funding round for Tesla and became its Chairman.
  5. 2008
    Became CEO of Tesla
    Became CEO of Tesla Motors.

Net Worth History

YearRubensElonLeader
2022—$146B—
2023—$235.5B—
2024$1.5B$839.6BElon
2025$1.5B$839BElon
2026$1.336B$807.656BElon

The Verdict: Elon Musk vs Rubens Ometto Silveira Mello

As of June 2026, Elon Musk leads this comparison with a net worth of $807.656B, placing at #1 in the global rankings. Rubens Ometto Silveira Mello follows at $1.336B — a gap of $806.3B.

The two leaders come from distinct industries — Energy for Rubens Ometto Silveira Mello and Technology for Elon Musk. 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 54 for Elon Musk, a difference of 22 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.

Explore Full Profiles

Rubens Ometto Silveira Mello
Rubens Ometto Silveira Mello
Full profile → net worth, bio, career history
Elon Musk
Elon Musk
Full profile → net worth, bio, career history

Net worth estimates updated daily from public financial disclosures. Methodology · Report an error