Vali Reza Nasr is an Iranian-American academic and political scientist, specializing in Middle Eastern studies and the history of Islam. He is Majid Khaddouri Professor of International Affairs and Middle East Studies at the Johns Hopkins School of Advanced International Studies (SAIS) in Washington, D.C. He served as the eighth dean of the school from 2012 to 2019. Nasr is also a Non-Resident Fellow in South Asia at Atlantic Council, and has been described by The Economist as "a leading world authority on Shia Islam".