Mr. McMahon’s practice focuses on the representation of companies and individuals under investigation by government agencies. Mr. McMahon also represents companies and individuals in a wide range of commercial disputes, including disputes involving breach of contract, trade secrets, indemnification, and corporate governance issues. Prior to joining Cooley, Mr. McMahon served as a Trial Attorney in the Civil Fraud Section of the U.S. Department of Justice, where he gained significant experience prosecuting cases under the False Claims Act, Anti-Kickback Statute, and Anti-Kickback Act and leading nationwide investigations of health care providers and other government contractors.