Net Worth Comparison

Clayton Zekelman vs Mark Zuckerberg

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

Clayton Zekelman

Clayton Zekelman

CEO, Steel
Net Worth
$2.242B
+0.00% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$205.4B more than Clayton
+0.40% today

Wealth at a Glance

Clayton Zekelman$2.242B
Mark Zuckerberg$207.68B

Net worth gap: $205.4B — equivalent to 99% of Mark's total wealth.

Tale of the Tape

Clayton Zekelman
Mark Zuckerberg
$2.242B
Net Worth
$207.68B
#1860
Global Rank
#6
57
Age
41
CANADA
Country
UNITED STATES
Steel
Source of Wealth
Facebook
Metals & Mining
Industry
Technology
Unknown
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Clayton Zekelman

  1. 1986
    Assumed Ownership of Atlas Tube
    Took over the family business, Atlas Tube, after the passing of his father, Harry Zekelman.
  2. 2006
    Sold Atlas Tube to Carlyle Group
    The Zekelman family sold a majority stake in Atlas Tube to the Carlyle Group.
  3. 2011
    Reacquired Atlas Tube
    The Zekelman family bought back the stake in Atlas Tube from the Carlyle Group.
  4. 2016
    Zekelman Industries Renamed
    The company was renamed to Zekelman Industries, unifying all operating divisions under the Zekelman name.
  5. 2006 - Present
    Director at Zekelman Industries
    Serving as a director providing strategic oversight for the company.

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

YearClaytonMarkLeader
2022$65B
2023$170B
2024$2.2B$224.1BMark
2025$2.2B$222BMark
2026$2.242B$207.68BMark

The Verdict: Mark Zuckerberg vs Clayton Zekelman

As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Clayton Zekelman follows at $2.242B — a gap of $205.4B.

The two leaders come from distinct industries — Metals & Mining for Clayton Zekelman 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.

Clayton Zekelman is 57 years old versus 41 for Mark Zuckerberg, a difference of 16 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.