Dipayan Ghosh is Pozen Fellow and codirector of the Platform Accountability Project at the Shorenstein Center on Media, Politics, and Public Policy at the Harvard Kennedy School. Previously, Ghosh was Privacy and Public Policy Adviser at Facebook. Earlier, he served as Technology and Economic Policy Adviser at the White House during the Obama administration, in both the Office of Science and Technology Policy and the National Economic Council.Robert McKenzie is a Director and Senior Fellow at New America and adjunct professor at Columbia University. Before joining New America, McKenzie was a Visiting Fellow and nonresident Senior Fellow at the Brookings Institution. Previously, McKenzie served as Senior Adviser for countering violent extremism at the U.S. Department of State.