Portrait of Marianne Liebmann

Rank #759

Marianne Liebmann

Net worth $5.5B

Cargill · United States

Born
Jul 11, 1953
Age
72
Source
Cargill
Residence
Bozeman, Montana
Citizenship
United States
Marital status
Married
Children
2
Education
Bachelor of Arts/Science, Montana State University

Net worth over time

Biography

  • Marianne Liebmann is one of 21 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.