Named a “security guru” by The Economist, Bruce Schneier is a world renowned expert on cyber security. A blogger, author, and scholar, Bruce has published 13 books, served on government committees, and appeared frequently on television and radio. A New York Times bestseller, his recent book Data and Goliath: The Hidden Battles to Collect Your Data and Control Your World explains that we are surrounded by surveillance–texts reveal our closest friendships, stores know our purchasing patterns, and Facebook can predict our sexual orientation and mental health status. As a fellow at Berkman Center for Internet and Society at Harvard Law School, Bruce shares these insights to shape our notions of today’s Big Data craze in healthcare.