Net Worth Comparison

Daniel Roullier & family vs Mark Zuckerberg

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

Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$206.5B more than Daniel
+0.40% today

Wealth at a Glance

Daniel Roullier & family$1.2B
Mark Zuckerberg$207.68B

Net worth gap: $206.5B — equivalent to 99% of Mark's total wealth.

Tale of the Tape

Daniel Roullier & family
Mark Zuckerberg
$1.2B
Net Worth
$207.68B
#2925
Global Rank
#6
90
Age
41
FRANCE
Country
UNITED STATES
animal feed
Source of Wealth
Facebook
food-beverage
Industry
Technology
Unknown
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Daniel Roullier & family

  1. 1959
    Founded Timac
    Acquired a seaweed deposit near Saint-Malo and established Timac to convert marine limestone into soil conditioners.
  2. 1988
    Launched Agriplas
    Launched a plastics business for in-house packaging.
  3. 2016
    Founded the Roullier Endowment Fund
    Established to promote sustainable agriculture.

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

YearDanielMarkLeader
2022$65B
2023$170B
2024$1.2B$224.1BMark
2025$222B
2026$1.2B$207.68BMark

The Verdict: Mark Zuckerberg vs Daniel Roullier & family

As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Daniel Roullier & family follows at $1.2B — a gap of $206.5B.

The two leaders come from distinct industries — food-beverage for Daniel Roullier & family 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.

Daniel Roullier & family is 90 years old versus 41 for Mark Zuckerberg, a difference of 49 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.