Ray Kroc

Ray Kroc was an entrepreneur best known for expanding McDonald’s from a local chain into the most successful fast food operation in the world. It was in his role as a milkshake machine salesman that Kroc first became involved with McDonald’s. The McDonald brothers were clients who had purchased multiple milkshake mixers. Kroc approached the brothers about expanding their chain nationwide which eventually led to the birth of the McDonald's Corporation. In 1955, Kroc became president of the McDonald’s Corporation, and bought out the McDonald brothers six years later.