Jacqueline (Jill) Hazelton was named Executive Editor of the journal International Security in February 2022. 

Hazelton came to the Belfer Center from the Naval War College where she was an Associate Professor in the Department of Strategy and Policy. At the Naval War College, Hazelton taught strategy and policy to U.S. and international military officers and their civilian equivalents. Her courses for officers focused on understanding the political effects of military force and how to translate military strategy into desired policy outcomes.

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 and military interventions.

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 her M.A. from the University of Chicago and Ph.D. from Brandeis University's Department of Politics. She is an affiliate of Stanford's Center for International Security and Cooperation.