Pauline MacMillan Keinath (#345)
- $ 10 B
- Cargill
- United States
- F
- 92 Years
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About Me
Pauline MacMillan Keinath is believed to be the largest shareholder of Cargill, the largest food company in the world, with an estimated 13% stake. Her late brother Whitney MacMillan was the last member of the family to serve as CEO of the business. He retired in 1995. 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.
Achievements
Career Highlights
A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped Pauline MacMillan Keinath’s rise and global influence.
Wealth Growth
Net Worth Growth Over Time
Tracking Pauline MacMillan Keinath’s net worth journey over the years, highlighting key growth phases and financial milestones.
Current Net Worth: $9.7B
(May 4, 2026)
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