BillionaireNet
III
C
Rank #2508
UNITED STATESfood-beverageCargill

Cargill MacMillan III

Net Worth
$1.452B
0% (24h)
Cargill MacMillan III, at 65 years old, is one of the billionaire heirs to Cargill, the largest private company in the United States, with a net worth of $1.5 billion. His wealth stems from his family's significant stake in Cargill, an agribusiness giant founded in 1865 by W.W. Cargill. Over the years, Cargill has grown into a global leader in food, agriculture, and risk management, with revenues reaching $154 billion in fiscal year 2025. His career and family legacy are intertwined with Cargill's success, making him a prominent figure in the privately-held corporation's history. MacMillan's residence is in Boulder, Colorado.

The Full Dossier

Early Life

Cargill MacMillan III, born in 1959, is a descendant of William W. Cargill, who established Cargill as a grain storage business in Iowa in 1865. He is part of the fourth generation of the Cargill-MacMillan family, which has been involved in the company for over 140 years. Growing up, he was part of a family deeply rooted in the agricultural and food industry.

Rise to Success

MacMillan's career has been closely tied to Cargill, the largest privately held company in the U.S., spanning over 160 years of history. The family's involvement has been primarily in ownership, as Cargill has grown into a global entity with 160,000 employees in 66 countries. While specific details about Cargill MacMillan III's exact role within the company are not widely available, his significant ownership stake, and presence on the board reflect the family’s influence within the corporation. He has also been a philanthropist in the area of art.

Key Business Strategies

The Cargill-MacMillan family, which holds approximately 88% of Cargill, has focused on reinvesting profits back into the business for long-term growth. Cargill's core strategies include expanding its commodity storage and processing capabilities, as well as advancing sustainability goals. The company has also been involved in acquisitions and partnerships to modernize operations and enhance its product offerings.

Philanthropy

While specific details on his philanthropy amounts are not readily available, the Cargill-MacMillan family is known for supporting various charitable causes. In 2011, he and his wife, Donna, donated a $20 million art collection to the Palm Springs Art Museum. Cargill, Inc. also engages in substantial philanthropic efforts through the Cargill Foundation.

Career Timeline

1988

Retired from Cargill

Retired as a senior executive after 38 years.

1963-1996

Board of Directors

Served on Cargill's board of directors from 1963 to 1996 and chaired its finance committee.

1950

Began at Cargill

Started working at Cargill as a trainee.

Philanthropic Impact

Arts$20M

Palm Springs Art Museum

Donated a $20 million art collection.

Wealth Trajectory