Billionaire Profile
C
Global Rank
#2295

Image: Kelland, Philip, 1808-1879 Tait, Peter Guthrie, 1831-1901 Knott, Cargill Gilston, 1856-1922 | Public domain | via Wikimedia Commons

Cargill MacMillan III

CEO, Cargill
UNITED STATES
Real-Time Net Worth
$1.708B
Estimated based on Cargill stock value as of March 6, 2026
0% (24h)
Age
66
Source
Cargill
Industry
food-beverage
Citizenship
UNITED STATES

Biography

Cargill MacMillan III, born in 1960, is one of the 12 billionaire heirs to Cargill, the largest privately held company in the United States. His wealth stems from his stake in Cargill, a global giant in food, agriculture, and industrial sectors. The company, founded by his great-great-grandfather in 1865, generates massive revenues and employs over 160,000 people worldwide. MacMillan, along with other family members, benefits from the company's strong performance, with the Cargill-MacMillan family collecting an estimated 18% of net profits as dividends annually. This has solidified his position among the world's wealthiest individuals, with a net worth that reflects Cargill's significant influence in the global food supply chain.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Cargill MacMillan III was born in 1960, into the Cargill-MacMillan family, a lineage deeply rooted in the history of American business. His family's influence began with William Wallace Cargill, who founded a grain storage business in 1865.

Rise to Success

Cargill's rise to prominence is intrinsically linked to the success of Cargill, Inc. The company grew from a grain warehouse to a global conglomerate under the stewardship of multiple generations of the Cargill and MacMillan families. The family's strategy involves reinvesting approximately 80% of the company’s net income annually. This approach has enabled Cargill to maintain a strong financial position. The company's vast global network touches various sectors, from agriculture and food production to financial services.

Key Business Strategies

The core business strategy of the Cargill-MacMillan family has been to maintain private ownership of the company. The family has successfully avoided the pressures of public markets, allowing for long-term investments and a focus on the sustainable growth of the business. The family owns approximately 88% of Cargill. The company has also diversified over time, expanding its operations into various sectors and markets. This diversification has provided resilience and contributed to the company's continued growth.

Philanthropy

While the Cargill-MacMillan family is known for its wealth and business acumen, specific details about individual philanthropic initiatives are not widely available. However, the family has a long-standing tradition of charitable giving. This philanthropy often supports causes related to agriculture, education, and community development. The family's charitable foundations subtly shape agricultural policy worldwide.

Career Milestones

1865

Foundation of Cargill

W.W. Cargill founded a grain storage business in Iowa, laying the foundation for the global company.

1895

Strategic Partnership

John H. MacMillan Sr. married William Cargill’s daughter, solidifying the Cargill-MacMillan partnership.

1976-1995

CEO Leadership

Whitney MacMillan led Cargill, expanding and diversifying the company.

Philanthropy & Social Impact

Philanthropy

Various Initiatives

Undisclosed

The Cargill-MacMillan family supports causes related to agriculture, education, and community development.

Controversies & Challenges

2019

Environmental Concerns

Cargill has faced criticism from environmental groups regarding deforestation and palm oil sourcing.