Mary Vecellio is a Research Associate with the Partnerships in Proliferation Prevention Program at the Stimson Center. Her research focuses on WMD non-proliferation with specific focus on radiological source security, United Nations Security Council Resolution 1540 assistance programs, and chemical weapons-related material security. Vecellio is particularly interested in issues related to preventing the spread of chemical weapons and related materials. She holds a B.A. in History with summa cum laude honors from Albion College in Albion, Michigan. She also has a M.A. in Non-Proliferation and International Security from King’s College, London.