Ali Khamenei

Ali Hosseini Khamenei is an Iranian cleric and politician who has served as the second supreme leader of Iran since 1989. He previously served as the third president of Iran from 1981 to 1989. Khamenei's 35-year-long rule makes him the longest-serving head of state in the Middle East, as well as the second-longest-serving Iranian leader of the last century after Shah Mohammad Reza Pahlavi. Khamenei is a marja', a title given to the highest level of religious cleric in Twelver Shi'sm.