Senior Research Associate, MIT's Security Studies Program

Jim is an expert in international security and a senior research associate and faculty at the Massachusetts Institute of Technology’s Security Studies Program. His research and writings focus on international security, particularly topics involving nuclear weapons. Jim has testified before the United States Senate and House of Representatives on issues of nuclear terrorism, Iran, and North Korea. He is one of a handful of Americans who has traveled to both Iran and North Korea for talks with officials about nuclear issues.

Jim is the international security contributor to the NPR program “Hear and Now,” and his comments and analysis have appeared in The New York Times, The New York Review of Books, The Washington Post, The Wall Street Journal, ABC, CBS, NBC, Fox, and numerous other national and international media outlets. Previously, Jim was executive director of the Project on Managing the Atom at Harvard University’s John F. Kennedy School of Government and a visiting scholar at the Center for Global Security Research at Lawrence Livermore National Laboratory. He received his PhD from the Massachusetts Institute of Technology.