Christopher C Fonzone is a partner in Sidley Austin’s privacy and cybersecurity group. His practice focuses on a wide range of issues related to information technology and cybersecurity, as well as the management of crisis situations. Before joining Sidley, Chris was deputy assistant and deputy counsel to President Obama and the legal adviser to the National Security Council. Before that, Chris worked at the Departments of Defense and Justice and as a law clerk to Justice Stephen Breyer of the US Supreme Court and Judge J Harvie Wilkinson III of the US Court of Appeals for the Fourth Circuit. Chris has lectured and taught classes at a variety of law schools, and his writing on national security and privacy and cybersecurity topics has been published in many forums, including the Washington Post, The Hill, Newsweek, Lawfare and Just Security.