Get to Know Idaho Billionaires: David MacMillan
By Clyde
David MacMillan is one of the 21 billionaire heirs of William Wallace Cargill, the founder of Cargill, Inc., a multinational corporation that produces grain, palm oil, and other agricultural commodities.
David MacMillan currently has a net worth of 1.2 billion dollars, which is 362% of the proposed 2026 budget for the city of Boise.
Cargill, Inc. has an annual revenue of 154 billion dollars, allegations of contributing to deforestation of the Amazon by intentionally setting fires to clear land for animal feed plantations, and fines for using child labor.
In 2018, Cargill, Inc. was accused of firing workers in Virginia for organizing a union, and had protesting workers arrested for trespassing.
In 2023, Cargill, Inc. was convicted for slave and child labor in Brazil. They were fined just $116,000.
In 2025, Cargill, Inc., along with Tyson Foods Inc., settled a class action lawsuit for price fixing. Cargill, Inc. agreed to pay $32.5 million.
A speeding ticket in Idaho can cost anywhere from $90 to $155, or 12 to 21 hours of work at the Idaho minimum wage.
For forced labor, child labor, and price fixing, Cargill, Inc. has paid 2.1% of their net revenue.

