Grand Ayatollah Sayyid Muhammad-Sadiq Husayni Rohani is an Iranian Shia marja’. Rohani currently resides in Qom. He claims to have gained ijtihad from the grand Ayatollah Abu al-Qasim al-Khoei, at the age of 25. He announced his marja’iyya after the death of grand Ayatollah Hossein Borujerdi, at the age of 35.