Paul Rosen, the former Chief of Staff at the Department of Homeland Security, is a partner at the law firm Crowell & Moring where he focuses on white collar criminal defense, government enforcement actions, privacy and cybersecurity for corporate and individual clients. Prior to entering private practice, Mr. Rosen spent more than a decade working across all three branches of the federal government. He held senior positions in the Obama Administration at the Department of Homeland Security and the Department of Justice, and also served as counsel to then-Senator Joseph R. Biden on the Senate Judiciary Committee. In his most recent government position as Chief of Staff at DHS, Mr. Rosen managed the operational, organizational, policy, and legal needs of the third- largest department of government, with 230,000 employees, a $60 billion budget, and 22 component agencies. In doing so Mr. Rosen oversaw DHS's response to some of the most sensitive and complex challenges facing the United States, including significant cybersecurity events and other national security and counterterrorism incidents. Before joining DHS, Mr. Rosen spent more than four years at the Department of Justice including as a federal prosecutor in the U.S. Attorney's Office for the Eastern District of Virginia and in the Criminal Fraud Section of DOJ where he prosecuted financial crimes across the country. In private practice Mr. Rosen's work includes incident preparedness and response, and defending and responding to government inquiries and related litigation in connection with cybersecurity and privacy issues. In 2017 the National Law Journal named Paul a Cybersecurity and Data Privacy Trailblazer and the Los Angeles Business Journal selected Paul for its Cyber Security Lawyer of the Year award. Mr. Rosen earned his J.D., Order of the Coif, from the University of Southern California School of Law and his B.A., summa cum laude, from the University of Colorado at Boulder. After graduating law school he served as a law clerk to U.S. District Judge Gary Allen Feess in the Central District of California.