Born in 1945, H. Marshall Jarrett started his career as a U.S. Attorney in 1975 as a trial lawyer for the Southern District of West Virginia. He then worked as Deputy Director of the Enforcement Division of the Commodities Futures Trading Commission. In 1980, Jarrett joined the Public Integrity Section of the Department of Justice, prosecuting public officials for corruption, later becoming Deputy Chief. In 1988, he became Chief of the Criminal Division for Washington DC, managing high-profile prosecutions, including those of Mayor Marion Barry and Congressman Dan Rostenkowski. In 1997, Jarrett became an Associate Deputy Attorney General, before being named as Chief Counsel of OPR.