Bruce Schneier is an internationally renowned security technologist, called a "security guru" by the Economist. He is the author of 14 books -- including the New York Times best-seller Data and Goliath:

The Hidden Battles to Collect Your Data and Control Your World -- as well as hundreds of articles, essays, and academic papers. His influential newsletter "Crypto-Gram" and blog "Schneier on Security"
are read by over 250,000 people. Schneier is a fellow at the Berkman Klein Center for Internet and Society at Harvard University, a Lecturer in Public Policy at the Harvard Kennedy School, a board member of the Electronic Frontier Foundation and the Tor Project, and an advisory board member of EPIC and VerifiedVoting.org. He is also a special advisor to IBM Security and the Chief Technology Officer of IBM Resilient.