Before joining Crisis Group, he headed the Iran project at the Federation of American Scientists in Washington, DC. Trained as a scientist, Vaez has more than a decade of experience in journalism. He has written widely on Iranian affairs and is a regular contributor to mainstream media outlets. He was a post-doctoral fellow at Harvard University from 2008 to 2010 and holds a Ph.D. from the University of Geneva and a master's degree from the Johns Hopkins School of Advanced International Studies. He is an adjunct professor at Georgetown University's School of Foreign Service.