Marianne Liebmann
$4.6B
Born
Jul 11, 1953
Age
72
Source of Wealth
Cargill
Residence
Bozeman, Montana
Citizenship
United States
Marital Status
Married
Children
2
Education
Bachelor of Arts/Science, Montana State University
- Marianne Liebmann is one of 12 billionaire heirs to Cargill, America's largest private company.
- Her great-grandfather, W.W. Cargill, founded the business as a single grain warehouse on the end of an Iowa railroad line in 1865.
- The family still owns roughly 90% of Cargill, which did $154 billion in 2025 sales across food, agriculture, financial and industrial divisions.
- The Cargill-MacMillan family collects an estimated 18% of net profits as dividends every year.
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