Prior to entering private practice as founder of Han Law in Plymouth Meeting, John served for 15 years as a federal prosecutor in the Organized Crime and Gang Section of the United States Department of Justice. John joins High Swartz to expand its criminal law practice. John represents clients facing investigation and prosecution by State or Federal Law Enforcement authorities for criminal violations, such as violent crimes, racketeering, drug offenses, and homicide. John also represents clients facing military proceedings including courts-martial, Administrative Separation Discharge Boards, and Article 32 Preliminary Hearings. Born in Seoul, South Korea, John arrived in the U.S.