Shelby Cullom Davis (April 1, 1909 – May 26, 1994) was an American businessman, investor, and philanthropist from the state of New York. In 1947 he created Shelby Cullom Davis & Company, which became a leading investment firm. He later served as the American Ambassador to Switzerland under Presidents Richard Nixon and Gerald Ford. Originally from Peoria, Illinois, Davis' uncle was Shelby Moore Cullom, who served in the U.S Senate for 30 years and introduced the legislation to create the Interstate Commerce Commission.