David H. Laufman is a Washington DC attorney specializing in government investigations, corporate compliance counseling, and sensitive national security matters. From December 2014 to February 2018, Laufman served as Chief of the Counterintelligence and Export Control Section in the National Security Division at the U.S. Department of Justice. As Chief of CES, he had supervisory responsibility within DOJ for the investigation and prosecution of offenses concerning U.S. export controls and economic sanctions, atomic energy and counterproliferation, espionage, the unauthorized retention and disclosure of classified information, economic espionage, foreign agent registration and disclosure, and cyber intrusions and attacks by nation states and their proxies. He also oversaw the investigation of Hillary Clinton concerning allegations that classified information was improperly stored or transmitted on a personal email server during her tenure as Secretary of State. Prior to the appointment of Special Counsel Robert S. Mueller, III, Laufman also oversaw the investigation of Russian government efforts to influence the 2016 U.S. presidential election.