John H. MacMillan, Jr.
Cargill
1936–1960
Cargill
1936–1960
During MacMillan’s presidency, the family grain business grew significantly. He invested in several large grain elevators within the United States and expanded Cargill’s operations to Europe (becoming the largest European grain company) and South America. By 1957, the firm’s sales amounted to $1 billion and it handled 14 million tons of grain.

Personal

Education / Military

  • Undergraduate: Yale University
  • Military Service: American Expeditionary Forces