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Net Worth Comparison

David Duffield vs Elon Musk

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

David Duffield

David Duffield

CEO, Business software
Net Worth
$8.437B
-1.34% today
Elon Musk
Wealthier

Elon Musk

CEO, Tesla, Inc.
Net Worth
$807.656B
+$799.2B more than David
+1.18% today

Wealth at a Glance

David Duffield$8.437B
Elon Musk$807.656B

Net worth gap: $799.2B — equivalent to 99% of Elon's total wealth.

Tale of the Tape

David Duffield
Elon Musk
$8.437B
Net Worth
$807.656B
#420
Global Rank
#1
85
Age
54
UNITED STATES
Country
UNITED STATES
Business software
Source of Wealth
Tesla, SpaceX
Technology
Industry
Technology
Cornell University (BS, MBA)
Education
University of Pennsylvania (BA, BS)

Career Highlights

David Duffield

  1. 1964
    Began Career at IBM
    Started as a marketing representative and systems engineer.
  2. 1987
    Founded PeopleSoft
    Co-founded PeopleSoft, serving as CEO and Chairman.
  3. 2005
    Co-founded Workday
    Co-founded Workday, serving as CEO Emeritus.
  4. 2017
    Founded Ridgeline
    Founded Ridgeline, a cloud platform for investment management firms.

Elon Musk

  1. 1995
    Co-founded Zip2
    Co-founded Zip2, an online city guide for newspapers.
  2. 1999
    Co-founded X.com
    Co-founded X.com, which later became PayPal.
  3. 2002
    Founded SpaceX
    Founded Space Exploration Technologies Corp. (SpaceX).
  4. 2004
    Became Chairman of Tesla
    Led the first funding round for Tesla and became its Chairman.
  5. 2008
    Became CEO of Tesla
    Became CEO of Tesla Motors.

Net Worth History

YearDavidElonLeader
2022—$146B—
2023—$235.5B—
2024$8.7B$839.6BElon
2025$8.7B$839BElon
2026$8.437B$807.656BElon

The Verdict: Elon Musk vs David Duffield

As of June 2026, Elon Musk leads this comparison with a net worth of $807.656B, placing at #1 in the global rankings. David Duffield follows at $8.437B — a gap of $799.2B.

Both executives operate in the Technology sector, making this a direct peer comparison. Their wealth trajectories reflect the broader performance of that industry over time, though individual company strategy, equity ownership structure, and capital allocation decisions have driven meaningfully different outcomes.

David Duffield is 85 years old versus 54 for Elon Musk, 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

David Duffield
David Duffield
Full profile → net worth, bio, career history
Elon Musk
Elon Musk
Full profile → net worth, bio, career history

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