Jacqueline L. Hazelton is the executive editor of the journal International Security. She was previously an associate professor at the U.S. Naval War College and an associate of the International Security Program at the Belfer Center, Harvard Kennedy School. Hazelton's research ranges from grand strategy, great power military intervention, and U.S. foreign and military policy to counterinsurgency, terrorism, and the uses of military power. She recently published Bullets Not Ballots: Success in Counterinsurgency Warfare and is working on a manuscript about great powers, liberal values, and military intervention.

Prior to her faculty appointment at the Naval War College, Hazelton was a visiting assistant professor in the Department of Political Science at the University of Rochester and a research fellow with the Belfer Center's International Security Program. Earlier experience included a stint as an international journalist with the Associated Press where she analyzed and reported on world events from Tokyo to Kabul and covered U.S. news as well. She received M.A.’s in English Literature and in International Relations from the University of Chicago and her Ph.D. from Brandeis University's Department of Politics.