Martin Haefner vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.

Wealth at a Glance
Net worth gap: $202.8B — equivalent to 98% of Mark's total wealth.
Tale of the Tape
Career Highlights
Martin Haefner
- 1954BornBorn in Switzerland.
- 1980sHigh School TeacherWorked as a high school mathematics teacher in Switzerland.
- 1990s-2000sInvestment BankingWorked in investment banking in Zurich, Hong Kong, and London.
- 2006Executive Chairman of AMAG GroupBecame Executive Chairman of AMAG Group.
- 2018Sole Owner of AMAGAcquired full ownership of AMAG Group.
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 | Martin | Mark | Leader |
|---|---|---|---|
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $6.7B | $224.1B | Mark |
| 2025 | $5.3B | $222B | Mark |
| 2026 | $4.833B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Martin Haefner
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Martin Haefner follows at $4.833B — a gap of $202.8B.
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.
Martin Haefner is 72 years old versus 41 for Mark Zuckerberg, 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.
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Net worth estimates updated daily from public financial disclosures. Methodology · Report an error