Whitney MacMillan

Whitney MacMillan is an American heir and businessman. He served as the Chairman of the Board and Chief Executive Officer of his family business, Cargill, from 1976 to 1995.

  • Whitney MacMillan was the last member of the Cargill-MacMillan family to serve as CEO of Cargill, America’s largest private company, retiring in 1995.
  • His great-grandfather, W.W. Cargill, founded the business as a single grain warehouse at the end of an Iowa railroad line in 1865.
  • The family still owns roughly 90% of Cargill, which did $114 billion in May 2019 sales across food, agriculture, financial and industrial divisions.
  • He sold his 50,000-acre Montana ranch in May 2016 for an undisclosed sum. The ranch, which was listed for $21.5 million, once hosted Lewis and Clark.

Cargill Whitney MacMillan