Juliette N. Kayyem is an American former government official and author. She is host of the WGBH podcast The SCIF. She is a national security analyst for CNN and is a weekly guest on Boston Public Radio. She is the Belfer Lecturer in International Security at the John F. Kennedy School of Government at Harvard and a member of the Council on Foreign Relations and the Pacific Council on International Policy. She is a former candidate for Governor of Massachusetts and a former Boston Globe columnist, writing about issues of national security and foreign affairs for the op-ed page.