John Palfrey is President of the John D. and Catherine T. MacArthur Foundation. Before that, he was Head of the Phillips Andover Academy and a Professor at Havard Law School. Palfrey is the author of books including Safe Spaces, Brave Spaces: Diversity and Free Expression in Education, published by the MIT Press, the MIT Press Essential Knowledge volume Intellectual Property Strategy, and the coauthor with Urs Gasser of Born Digital: How Children Grow Up in a Digital Age.