Rebecca Davis Gibbons is a postdoctoral research fellow with the Belfer Center's Project on Managing the Atom and International Security Program. She previously served as a visiting assistant professor of government at Bowdoin College, teaching courses on nuclear issues, international relations, and international order. Gibbons earned her PhD in international relations from Georgetown University. Her dissertation examined how the United States persuaded other states to join the nuclear nonproliferation regime. Her research continues to focus on nonproliferation as well as on the movement to prohibit nuclear weapons. In 2013–2014, Gibbons was a predoctoral Stanton Nuclear Security Fellow at the RAND Corporation. She holds an M.A. in international security studies from Georgetown University and a BA in psychological & brain sciences from Dartmouth College. After college, she taught elementary school within the Bikini community on Kili Island in the Republic of the Marshall Islands.