John S.  Irving

John S. Irving, IV

Partner, Holland & Knight LLP

John S. Irving is a trial and litigation attorney in Holland & Knight's Washington, D.C., office. Mr. Irving is a former federal prosecutor with significant trial and investigative experience. He focuses his practice on white collar defense, internal investigations and compliance, primarily in the context of investigations involving civil and criminal environmental enforcement, the Foreign Corrupt Practices Act (FCPA) and the civil False Claims Act.

Prior to entering private practice, Mr. Irving served as counsel to the Assistant Attorney General for the U.S. Department of Justice's Environment and Natural Resources Division, where he prosecuted criminal environmental cases and defended federal government agencies against civil environmental claims. Prior to that, Mr. Irving served as counsel to two Deputy Attorneys General and for seven years as an Assistant U.S. Attorney in Washington, D.C., where he investigated and prosecuted violent crime and narcotics cases and tried dozens of cases before federal and local judges and juries.

Mr. Irving's broad legal experience in Washington also includes investigating unlawful campaign contributions as investigative counsel for the U.S. House of Representatives Committee on Government Reform and Oversight, while also working with federal prosecutors and agents in the Office of Independent Counsel.