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Ali al-Sistani, born in Mashhad, Iran, is a prominent Shia cleric and the current Grand Ayatollah of Najaf in Iraq. He is widely recognized as the highest religious authority for millions of Shia Muslims worldwide, particularly those following the Twelver Shia tradition. Throughout his career, he has played a significant role in shaping the religious, cultural, and political landscape of Iraq, promoting peaceful coexistence and advocating for social justice.