Jake Sullivan is a Montgomery fellow at Dartmouth College, a Martin R. Flug visiting lecturer at Yale Law School, and a nonresident senior fellow in the Geoeconomics and Strategy Program at the Carnegie Endowment for International Peace. Previously, he served in the Obama administration as national security adviser to Vice President Joe Biden and director of policy planning at the State Department, as well as deputy chief of staff to Secretary of State Hillary Clinton. Sullivan was also the senior policy adviser on Secretary Clinton’s 2016 presidential campaign.