Head-to-Head Comparison

William MacMillan VS Mark Zuckerberg

Who has the higher net worth? A detailed look at the wealth and assets of two of the world's most influential business leaders.

William MacMillan

William MacMillan

CEO, Cargill
Net Worth
$1.705B
Mark Zuckerberg
Winner

Mark Zuckerberg

CEO, Facebook
Net Worth
$230.008B
+$228.3B more

Tale of the Tape

71
Age
41
UNITED STATES
Country
UNITED STATES
Cargill
Source of Wealth
Facebook
food-beverage
Industry
Technology

The Verdict

In the battle of wealth between William MacMillan and Mark Zuckerberg,Mark Zuckerberg comes out on top with a net worth of $230.008B. This is a difference of roughly $228.3B. Both leaders have built substantial empires in the technology and business sectors.

Net worth estimates are based on real-time stock analysis of Cargill and Facebook as of 4/21/2026.