Tauzeeh-ul-Masail(Sistani) آیت اللہ سیّد علی حسین سیستانی

Grand Ayatollah Sayyid Ali al-Husayni al-Sistani, commonly known as Ayatollah Sistani, is one of the most influential Iraqi Shia marja’ of Iranian origins living in Iraq. He is described as the leading spiritual leader of Iraqi Shia Muslims, and one of the most senior clerics in Shia Islam. Wikipedia