William Joseph McCorkle (born 1966 in San Antonio, Texas) is an American businessman, former real estate guru and former owner of William McCorkle Seminars. In the 1990s he and his wife Chantal created a number of late-night television infomercials, selling materials which purported to teach people how to make money buying foreclosed real estate properties. Both McCorkle and his wife, Chantal, were convicted of fraud and served lengthy prison terms.