Dr. Walsh is a research associate at MIT’s security studies program. He is also a faculty member of the MIT political science department and serves as an analyst for CNN. He has traveled to both Iran and North Korea for talks with officials about their nuclear programs. His new book on North Korea will be published early next year. Dr. Walsh was executive director of the Managing the Atom project at Harvard University and a visiting scholar at Lawrence Livermore National Laboratory. He has taught at both Harvard University and MIT. Dr. Walsh received his Ph.D. from MIT.