Dr. Laura Grego is a Stanton Nuclear Security Fellow at MIT’s Laboratory for Nuclear Security and Policy, on leave from the Union of Concerned Scientists’ Global Security Program, where she is senior scientist and research director. A physicist by training, she works at the intersection of science and policy on the topics of nuclear weapons, missile defense, and space security. She is a technical expert for The Woomera Manual on the International Law of Military Space Operations, an associate editor for the journal Science and Global Security, and a Fellow of the American Physical Society and a member of its Panel on Public Affairs. She has authored papers on topics from cosmology to nuclear security issues and has testified before U.S. Congress and the United Nations. Dr. Grego earned a PhD in experimental physics at the California Institute of Technology and a bachelor of science degree in physics and astronomy at the University of Michigan.