Co-Director and Board Member, Belfer Center for Science and International Affairs, Harvard Kennedy School Director, Defending Digital Democracy Project Lecturer in Public Policy Former Chief of Staff to Secretary of Defense (2015-2017) Eric Rosenbach is Co-Director of the Belfer Center and a Harvard Kennedy School Public Policy Lecturer. He also heads the Center's Defending Digital Democracy project. He was the Chief of Staff to Secretary of Defense Ash Carter from 2015-2017. Before serving as Chief of Staff, Rosenbach was the Assistant Secretary of Defense, confirmed by the U.S. Senate, responsible for leading all aspects of the Department’s cyber strategy, policy, and operations. Earlier, Rosenbach worked at the Harvard Kennedy School as the Executive Director for Research at the Belfer Center for Science and International Affairs. In addition to running the Center, Rosenbach taught graduate-level classes on cyber and counterterrorism. Prior to his work at Harvard, he served as national security advisor for then Senator Chuck Hagel and as a professional staff member on the Senate Select Committee on Intelligence where he led oversight of Intelligence Community counterterrorism programs. A former Army intelligence officer and Commander of a telecommunications intelligence unit, Rosenbach led a team that worked closely with the NSA to provide strategic intelligence in direct support of commanders in Bosnia and Kosovo. The Director of Central Intelligence named Rosenbach's unit as the top intelligence organization in the U.S. military for two consecutive years. He was a Fulbright Scholar and holds a Juris Doctor from Georgetown, Masters of Public Policy from the Harvard Kennedy School, and Bachelor of Arts from Davidson College.