James Northey Miller Jr. (born August 15, 1959)[1] is the Johns Hopkins Applied Physics Laboratory's Assistant Director for Policy and Analysis [2] and also serves on the National Security Council staff as U.S.

with honors in economics from Stanford in 1981;[1] he earned his master's degree and his Ph.D., both in public policy, from the John F. Kennedy School of Government at Harvard University.

[6] In 2015, Miller joined Johns Hopkins APL as a senior fellow [8] and was named as the Lab's Assistant Director for Policy and Analysis in 2022.

[9] Miller previously served as a senior fellow at the Harvard Kennedy School’s Belfer Center for Science and International Affairs.

[10] On June 2, 2020, Miller resigned from the Defense Science Board in protest after police used pepper balls and smoke canisters to disperse protesters in the area surrounding Lafayette Park so that President Donald Trump, accompanied by U.S. Secretary of Defense Mark Esper, could attend a photo op at the St. John's Episcopal Church across from the White House.