Aaron Lewis is a Partner at Covington & Burling LLP in Los Angeles where he regularly represents businesses and individuals in sensitive, high-profile internal investigations, government enforcement matters, and complex commercial litigation. Aaron returned to Covington in 2015 to help open the firm’s Los Angeles office after six years of service in the Department of Justice, first as Counsel to Attorney General Eric Holder in Washington, and later as a federal prosecutor in Los Angeles. As Counsel, Mr. Lewis advised the Attorney General on a range of enforcement issues, including intellectual property protections, national security matters and civil rights. He worked closely with senior officials at the White House, the Justice Department, and several law enforcement agencies, including the FBI and DHS.

As an Assistant United States Attorney in Los Angeles, most recently in the National Security Section, Aaron investigated and prosecuted cases involving computer network intrusions, thefts of trade secrets and export control violations. In addition, he prosecuted cases involving various frauds and false statements, as well as firearms and narcotics trafficking. An experienced trial and appellate lawyer, Aaron has tried several cases to verdict, and argued before the Ninth Circuit Court of Appeals.