He is a Shia marja' from Iraq, who resides in Qom, Iran. He becomes one of the teachers of courses outside of jurisprudence, principles, philosophy, mysticism and interpretation and beliefs in the seminary of Qom. Kamal al-Haydari was born in Karbala in Iraq in 1956 (1376 AH). His father was a cloth dealer. He completed his elementary, middle and high school education in public schools. He then moved to Najaf in 1974 and completed his academic study at the Faculty of Fiqh. He gained a bachelor's degree in Islamic sciences with honors in 1978 and then migrated to Kuwait in 1980 due to the prosecution of authorities,and then to Damascus, Syria, where he remained for nearly four months. He then left for Iran via Turkey and settled in the city of Qom.