Doreen Horschig is an associate fellow with the Project on Nuclear Issues at the Center for the Strategic and International Studies (CSIS PONI). She is also a non-resident research associate at the School of Politics, Security, and International Affairs at the University of Central Florida (UCF). Previously, Doreen was a nuclear security policy fellow at the American Academy of Arts and Sciences and a Stanton nuclear security fellow at MIT. Her research is twofold and examines nuclear norms contestation and counterproliferation. Doreen holds a PhD in security studies from UCF, a MA in international relations from New York University, and a BA in international studies from Manhattan College.