Dr. Heather Williams is a Lecturer in the Defence Studies Department at King's College London, and a CSSS Fellow in the Centre for Science and Security Studies (CSSS), funded by the MacArthur Foundation. Her research focuses on strategic stability, arms control, and trust-building in international relations. Until January 2015, Heather was a Research Fellow on Nuclear Weapons Policy at Chatham House and led projects on the Nuclear Non-Proliferation Treaty and the Humanitarian Impacts of Nuclear Weapons Initiative. Dr. Williams completed her PhD, “Negotiated Trust: U.S.-Russia Strategic Arms Control, 1968-2010”, in the Department of War Studies at King’s College London in December 2014. She has a BA in International Relations and Russian Studies from Boston University, and an MA in Security Policy Studies from The George Washington University.