Richard Nephew is a senior research scholar and program director at the Center on Global Energy Policy at Columbia University's School of International and Public Affairs. Prior to this, Nephew spent over a decade in the U.S. government, serving as director for Iran on the National Security Council and as deputy coordinator for sanctions policy at the State Department. Nephew was the lead sanctions expert for the U.S. team negotiating with Iran from August 2013 to December 2014.