Grand Ayatollah (Persian: آیت‌الله سید علی حسینی خامنه‌ای "ayatollah Seyyed `Ali Ḥoseyni Khamene'i") (born 19 April 1939) also known as Seyyed Ali Khamene'i, is the current Supreme Leader of Iran. He was the president of Iran from 1981 to 1989.