Billionaire Profile
Cargill MacMillan III
Global Rank
#2356

Image: Public domain | via Wikimedia Commons

Cargill MacMillan III

CEO, Cargill
US
Real-Time Net Worth
$1.5B
As of December 2025
Age
65
Source
Cargill
Industry
food-beverage
Citizenship
US

Biography

Cargill MacMillan III is a 65-year-old heir to Cargill, the world's largest private food and agriculture corporation. His wealth stems from his family's controlling stake in Cargill, founded in 1865 by W.W. Cargill. The Cargill-MacMillan family owns approximately 88% of the company, which generated $154 billion in revenue in 2025. Cargill MacMillan III has dedicated his career to the family business, contributing to its continued growth and global presence.

Wealth Over Time

In-Depth Profile

Early Life

Cargill MacMillan III, born in Minneapolis, Minnesota, is a member of the Cargill-MacMillan family, known for their significant ownership of Cargill, Inc. His lineage traces back to W.W. Cargill, who established the company in 1865. Growing up in a family deeply involved in the agricultural and food industries, Cargill MacMillan III was likely immersed in the business from a young age.

Rise to Success

Cargill MacMillan III's rise to success is directly tied to his family's ownership of Cargill. He is one of the heirs to the vast fortune built over generations. While specific details of his career path within Cargill are not readily available, his presence as an heir indicates a key role in the company's governance and strategic direction. The family's control over the company has allowed them to maintain a low public profile while ensuring the long-term stability and growth of Cargill.

Key Business Strategies

The Cargill-MacMillan family's business strategy centers on maintaining the privately held status of Cargill, allowing for long-term investments and a focus on generational continuity. Key strategies include reinvesting a significant portion of the company's net income back into the business, ensuring that Cargill remains a dominant player in the global agricultural market. The family's control also allows them to make decisions without the pressure of short-term shareholder returns.

Philanthropy

The Cargill-MacMillan family, including Cargill MacMillan III, is involved in various philanthropic endeavors. While specific amounts and initiatives are not widely publicized due to the private nature of the family's affairs, it is known that family members have supported various causes through charitable trusts and foundations. Additionally, his collection has been donated to museums across the country.

Career Milestones

1950

Graduated from Yale University

Cargill MacMillan III's higher education.

1955

Joined Cargill Inc.

Began working at the family business.

1963

Served on the Cargill Board of Directors

Serving on the board until 1996 and chaired the Finance Committee.