Trevor Rees-Jones vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.
Wealth at a Glance
Net worth gap: $201.8B — equivalent to 97% of Mark's total wealth.
Tale of the Tape
Net Worth History
| Year | Trevor | Mark | Leader |
|---|---|---|---|
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $6B | $224.1B | Mark |
| 2025 | $6B | $222B | Mark |
| 2026 | $5.927B | $207.68B | Mark |
Career Highlights
Trevor Rees-Jones
- 1978Started Career as a Bankruptcy AttorneyBegan practicing law in Dallas, specializing in oil and gas reorganization.
- 1984Entered Oil and Gas BusinessBegan pursuing oil and gas investments.
- 1994Founded Chief Oil & GasFounded Chief Oil & Gas, focusing on the development of the Barnett Shale field.
- 2006Founded the Rees-Jones FoundationEstablished a foundation to support programs focused on improving the lives of disadvantaged children, youth, and families.
- 2022Sold Chief Oil & GasSold Chief Oil & Gas to Chesapeake Energy for $2.65 billion
Mark Zuckerberg
- 2004Founded FacebookCo-founded Facebook while at Harvard University.
- 2008Became a BillionaireBecame a billionaire at age 23.
- 2012Facebook IPOTook Facebook public, making it one of the largest IPOs in history.
- 2021Meta RebrandingFacebook rebranded to Meta Platforms, Inc., focusing on the metaverse.
The Verdict: Mark Zuckerberg vs Trevor Rees-Jones
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Trevor Rees-Jones follows at $5.927B — a gap of $201.8B.
The two leaders come from distinct industries — Energy for Trevor Rees-Jones and Technology for Mark Zuckerberg. 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.
Trevor Rees-Jones is 74 years old versus 41 for Mark Zuckerberg, a difference of 33 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