Robert Rowling vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated June 2026.


Wealth at a Glance
Net worth gap: $199.5B — equivalent to 96% of Mark's total wealth.
Tale of the Tape
Career Highlights
Robert Rowling
- 1972Began working at Tana Oil and GasJoined his father's oil and gas company
- 1989Founded TRT HoldingsFormed TRT Holdings after the sale of Tana Oil and Gas
- 1996Acquired Omni Hotels & ResortsPurchased Omni Hotels for $500 million
- 2004Purchased Gold's Gym InternationalAcquired Gold's Gym
- 2020Sold Gold's GymSold Gold's Gym to RSG Group
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.
Net Worth History
| Year | Robert | Mark | Leader |
|---|---|---|---|
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $8.8B | $224.1B | Mark |
| 2025 | $8.8B | $222B | Mark |
| 2026 | $8.224B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Robert Rowling
As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Robert Rowling follows at $8.224B — a gap of $199.5B.
The two leaders come from distinct industries — Service for Robert Rowling 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.
Robert Rowling is 72 years old versus 41 for Mark Zuckerberg, a difference of 31 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


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