Gibbons received her PhD in international relations from Georgetown University. In 2013-2014, she was a predoctoral Stanton Nuclear Security Fellow at the RAND Corporation. Gibbons holds an M.A. in international security studies from Georgetown University and a B.A. in psychological & brain sciences from Dartmouth College. After college, she taught elementary school within the Bikini community in the Republic of the Marshall Islands. During the 2018-2019 academic year, she will be a postdoctoral fellow at Harvard University’s Belfer Center working on a book manuscript about the nuclear nonproliferation regime.