Early Life
John MacMillan was born on February 28, 1928, in Minneapolis, Minnesota, the son of John H. MacMillan Jr. and Marion Dickson. He grew up in Wayzata, Minnesota, and was educated at the Blake School, Berkshire School, West High School, and the University of Minnesota.
Rise to Success
In 1955, MacMillan began his career at Cargill, a company founded by his great-grandfather. He held various positions within the company, gaining experience in Great Falls, Montana, Baton Rouge, Louisiana, and Minneapolis. The family-owned business has been the foundation of his wealth. He is a descendant of William W. Cargill, who started with one grain elevator in post-Civil War Iowa. He took over for his father as president of Cargill in 1936 and grew the family-owned business significantly. During his tenure, sales topped $1 billion for the first time.
Key Business Strategies
Cargill, under the leadership of MacMillan and his family, has focused on its core business of agricultural commodities, food processing, and trading. The company's growth has been driven by strategic acquisitions, international expansion, and a focus on innovation in food and agriculture. The family owns about 90% of the company, which allows for long-term strategic decisions.
Philanthropy
John MacMillan and his family are involved in various philanthropic endeavors. While specific details on his personal contributions are unavailable, the MacMillan family is known for its charitable giving and support of various causes.