Thomas Chris Leppert (born June 15, 1954) is an American businessman and politician who is the former CEO of Kaplan, Inc., one of the world's largest education providers. He had oversight of the company's operating divisions (Kaplan Test Prep and Kaplan Higher Education in the United States, and Kaplan International) until his resignation was announced in July 2015. Leppert served as the 59th mayor of Dallas, Texas from 2007 to 2011, and previously worked as CEO of the Turner Corporation. Leppert ran in the 2012 United States Senate election in Texas, but lost the Republican primary. As of 2022, Leppert was the last Republican to be elected Mayor of Dallas.