He previously owned his own general trial and appellate law practice handling cases in the areas of civil rights, construction litigation, criminal defense, family law, foreclosure defense, personal injury, and school law. Liles is admitted to practice in all Florida state courts, as well as the following federal courts: U.S. District Courts for the Middle District, Northern District, and Southern District of Florida; Eleventh Circuit Court of Appeals; U.S. Court of Federal Claims; and United States Supreme Court. He has significant experience in administrative hearings, state and federal trial courts, and state and federal appellate courts.