Dr. Falkenrath is a principal with The Chertoff Group, where he advises clients on a broad array of security issues relating to counterterrorism, law enforcement, physical and digital network security, and risk management. In addition, he is contributing editor at Bloomberg News; senior fellow for Counterterrorism and Homeland Security at the Council on Foreign Relations; member of the Director’s Review Committee of Lawrence Livermore National Laboratory; member of the Defense Threat Reduction Advisory Committee; and member of the Aspen Strategy Group. Dr. Falkenrath served as the Deputy Commissioner for Counterterrorism at the New York City Police Department from 2006 to 2010, where he was responsible for the strategy, policy, and operations of the NYPD Counterterrorism Bureau. He also served as Deputy Assistant to the President and Deputy Homeland Security Advisor at The White House responsible for developing and coordinating all aspects of U.S. homeland security policy and law, as well as counterterrorism threat assessment and response at all levels.