Net Worth Comparison

Roger Samuelsson vs Mark Zuckerberg

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

Roger Samuelsson

Roger Samuelsson

Net Worth
$4.141B
+0.00% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$203.5B more than Roger
+0.40% today

Wealth at a Glance

Roger Samuelsson$4.141B
Mark Zuckerberg$207.68B

Net worth gap: $203.5B — equivalent to 98% of Mark's total wealth.

Tale of the Tape

Roger Samuelsson
Mark Zuckerberg
$4.141B
Net Worth
$207.68B
#1016
Global Rank
#6
62
Age
41
SWEDEN
Country
UNITED STATES
Drug delivery devices
Source of Wealth
Facebook
Healthcare
Industry
Technology
Engineering studies at Berzeliusskolan in Linköping
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Roger Samuelsson

  1. 1989
    Co-founded SHL Medical
    Established SHL Medical, which became a leading manufacturer of autoinjectors.
  2. 2021
    Purchased the Octopus Yacht
    Acquired the megayacht Octopus, previously owned by Paul Allen.
  3. 2024
    Billionaire Status
    Achieved billionaire status due to the success of SHL Medical.

Mark Zuckerberg

  1. 2004
    Founded Facebook
    Co-founded Facebook while at Harvard University.
  2. 2008
    Became a Billionaire
    Became a billionaire at age 23.
  3. 2012
    Facebook IPO
    Took Facebook public, making it one of the largest IPOs in history.
  4. 2021
    Meta Rebranding
    Facebook rebranded to Meta Platforms, Inc., focusing on the metaverse.

Net Worth History

YearRogerMarkLeader
2022$65B
2023$170B
2024$3B$224.1BMark
2025$4.1B$222BMark
2026$4.141B$207.68BMark

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.