Donald Bren vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.
Wealth at a Glance
Net worth gap: $188.5B — equivalent to 91% of Mark's total wealth.
Tale of the Tape
Career Highlights
Donald Bren
- 1958Founded Bren CompanyStarted a home building company in Orange County, California.
- 1963Co-founded Mission Viejo CompanyPurchased land to develop the city of Mission Viejo, California.
- 1977Purchased Irvine CompanyBecame part of the investment group that acquired the Irvine Company.
- 1983Chairman of the Board, Irvine CompanyBecame the chairman of the board and majority owner.
- 1996Sole Owner, Irvine CompanyPurchased all outstanding shares and became the sole owner of the Irvine Company.
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 | Donald | Mark | Leader |
|---|---|---|---|
| 2022 | $17B | $65B | Mark |
| 2023 | $18B | $170B | Mark |
| 2024 | $19.2B | $224.1B | Mark |
| 2025 | $19.2B | $222B | Mark |
| 2026 | $19.212B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Donald Bren
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Donald Bren follows at $19.212B — a gap of $188.5B.
The two leaders come from distinct industries — Diversified for Donald Bren 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.
Donald Bren is 93 years old versus 41 for Mark Zuckerberg, a difference of 52 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