Whitney MacMillan "is chairman emeritus of Cargill Inc., the second largest private corporation in the U.S., after Koch Industries; where he served for more than forty years. Cargill deals in grain, cotton, sugar, petroleum trading, financial trading, pharmaceuticals, agrochemicals, animal feed, processed foods and and meat packing under its Excel division.  Cargill is the largest supplier of grains in the world. It is the world's second largest supplier of animal feed and the second largest supplier for food and industrial starches. The company is also the second largest meat packer in the U.S., after Tyson Foods.
Mr. MacMillan is also an executive fellow and teacher of corporate strategy at the University of St. Thomas Graduate School of Business in Minnesota, lecturing on investment issues as they relate to corruption and the rule of law. From 1997 to 1998, Mr. MacMillan was one of two co-chairs reviewing sixteen international agriculture research centers for The World Bank. He also chaired the Investment Services Policy Advisory Committee, during which time the committee wrote the investment sections for both the United States - Canada Free Trade Agreement and later for the North American Free Trade Agreement. Mr. MacMillan is a director of numerous international organizations, including Winrock International, the Rural Development Institute, The American Assembly, The Trilateral Commission, the EastWest Institute, and the Hubert H. Humphrey Institute of Public Affairs. He received a B.A. from Yale University. Mr. MacMillan was a faculty member at Session 338, Sustainable Agriculture, 1996, and session 397 in 2002."