Roger Samuelsson vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.


Wealth at a Glance
Net worth gap: $203.5B — equivalent to 98% of Mark's total wealth.
Tale of the Tape
Career Highlights
Roger Samuelsson
- 1989Co-founded SHL MedicalEstablished SHL Medical, which became a leading manufacturer of autoinjectors.
- 2021Purchased the Octopus YachtAcquired the megayacht Octopus, previously owned by Paul Allen.
- 2024Billionaire StatusAchieved billionaire status due to the success of SHL Medical.
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 | Roger | Mark | Leader |
|---|---|---|---|
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $3B | $224.1B | Mark |
| 2025 | $4.1B | $222B | Mark |
| 2026 | $4.141B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Roger Samuelsson
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Roger Samuelsson follows at $4.141B — a gap of $203.5B.
The two leaders come from distinct industries — Healthcare for Roger Samuelsson 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.
Roger Samuelsson is 62 years old versus 41 for Mark Zuckerberg, a difference of 21 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