High Quality Content by WIKIPEDIA articles! Robert D. Walter is an American businessman. In 1971 he purchased Cardinal Foods, a small Ohio food wholesaler, in a leveraged buyout. Cardinal Health is now an $87 billion USD Fortune 100 company and one of the largest distributors of pharmaceuticals, health beauty products, and hospital supplies in the United States. Walter graduated from St. Charles Preparatory School, has an MBA from Harvard University and a BA from Ohio University. He is married to Margaret "Peggy" Walter, who also attended Ohio University. The Walters have given support to the Ohio University community, including Margaret Walter Hall and numerous other financial gifts.