Richard A. Clarke is one of the world's leading experts on security, cyberspace, and terrorism. He served in the U.S. government for thirty years, including as White House counterterrorism coordinator under Presidents Bill Clinton and George W. Bush, and became the first White House official placed in charge of U.S. cybersecurity policy. He is the author of eight books (four works of nonfiction and four novels), including the number-one national bestseller Against All Enemies: Inside America's War on Terror.

Robert K. Knake is a senior fellow at the Council on Foreign Relations, a senior research scientist at Northeastern University, and an adviser to startups, investment firms, and Fortune 500 companies. Knake served from 2011-15 in the Obama White House as director for cybersecurity policy at the National Security Council. He is the co-author (with Clarke) of the New York Times bestseller Cyber War.

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