Matt Josephson joined Chaiken Ghali LLP as a partner in August 2025, following a nearly fifteen-year career as an Assistant United States Attorney and Trial Attorney with the U.S. Department of Justice in Washington, D.C. and Savannah, Georgia.
Mr. Josephson’s practice focuses on government investigations, white collar defense, and complex business litigation. A highly accomplished trial lawyer and seasoned litigator, Mr. Josephson brings a trial-ready perspective to a wide range of complex matters.
As an Assistant United States Attorney in Savannah for nearly nine years, Mr. Josephson litigated numerous high-profile criminal and civil matters and tried multiple cases to verdict, including multi-million-dollar fraud matters. He led the investigation and prosecution of some of the most significant white collar matters in the Southern District of Georgia, including cases involving health care fraud, bank fraud, pharmaceutical fraud and abuse, wire fraud, and public corruption. Between 2023 and 2025, Mr. Josephson oversaw his office’s white collar enforcement efforts as Deputy Chief of the Criminal Division, supervising approximately twenty prosecutors and spearheading the office’s enforcement efforts in several key areas, including opioid enforcement; financial crimes; blockchain and cryptocurrency matters; and COVID-19 fraud.
Mr. Josephson also litigated significant civil matters involving the health care industry under the False Claims Act and the Controlled Substances Act. He received numerous awards for his work, including a Director’s Award for Superior Performance for his key role in prosecuting and litigating cases involving the overprescription of opioids.
Between 2011 and 2017, Mr. Josephson served as a Trial Attorney at the Federal Programs Branch of the U.S. Department of Justice in Washington, D.C. In that role, Mr. Josephson handled high-stakes constitutional and regulatory cases in federal trial courts across the United States. This included serving as lead counsel in the high-profile multidistrict litigation arising out of the 2015 cyberattack on the U.S. Office of Personnel Management (OPM), which affected over 20 million Americans, and in a variety of cases raising novel constitutional challenges to statutes such as the Communications Decency Act and the America Invents Act. For his civil litigation work, the Justice Department awarded him a Special Commendation for Outstanding Service in 2017.
Mr. Josephson earned his undergraduate degrees from the University of Georgia and his law degree from the University of Georgia School of Law, where he graduated Order of the Coif, competed on multiple moot court teams, and was a member of the law review. After law school, Mr. Josephson served as a law clerk to U.S. Circuit Judge Emmett Ripley Cox of the U.S. Court of Appeals for the Eleventh Circuit and to U.S. District Judge W. Harold Albritton III of the U.S. District Court for the Middle District of Alabama.