Otto Happel vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.
Wealth at a Glance
Net worth gap: $203.6B — equivalent to 98% of Mark's total wealth.
Tale of the Tape
Career Highlights
Otto Happel
- 1974CEO of GEA GroupBecame CEO of GEA Group, transforming it from a small family business into a global system supplier.
- 1989GEA Group goes publicTook GEA Group public on the Frankfurt stock exchange.
- 1999Sold a 50.1% stake in GEASold a major stake to Germany's MG Technologies for $775 million.
- 2006Sold remaining stake in GEASold his remaining shares in GEA to institutional investors for $700 million.
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 | Otto | Mark | Leader |
|---|---|---|---|
| 2021 | $3.2B | — | — |
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $4.1B | $224.1B | Mark |
| 2025 | $4.1B | $222B | Mark |
| 2026 | $4.067B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Otto Happel
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Otto Happel follows at $4.067B — a gap of $203.6B.
The two leaders come from distinct industries — Construction & Engineering for Otto Happel 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.
Otto Happel is 78 years old versus 41 for Mark Zuckerberg, a difference of 37 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