Ayatullah Ibrahim Amini, an eminent scholar and jurisprudent is a professor at the Religious Learning Center at Qum where he is involved in teaching, writing and research activities. He very frequently represents the Islamic Republic of Iran at various international conferences.

Ayatullah Jawad Tehrani.

Ayatullah Abdollah Javadi-Amoli (Persian: عبدالله جوادی آملی‎) is an Iranian Twelver Shi'a Marja. He is one of the prominent Islamic scholars of the Hawza in Qom and a well-known thinker in various fields of Islamic sciences and a distinguished figure in exegesis, jurisprudence, philosophy and mysticism.

Grand Ayatollah Lotfollah Safi Golpaygani (Persian: آیت‌الله العظمی لطف‌الله صافی گلپایگانی‎, Arabic: آيت الله العظمى لطف الله صافى كلبايكانى‎) (born February 20, 1919) is one of the most senior Twelver Shia Marja living in Iran. He was born in Golpaygan, Iran, and has studied in seminaries of Qom under Grand Ayatollah Borujerdi. He currently resides and teaches in the Seminary of Qom.

Ayatullah Mahdi Hadavi Tehrani was born in 1961 in the city of Tehran. After studying Electrical Engineering at Sharif University of Technology he commenced his religious studies at the Howza in Qom. He is fluent in English and Arabic and knows French and German to a great extent.

Mīrzā Mahdī Gharawī Iṣfahānī (Persian: میرزا مهدی غروی اصفهانی) (b. 1303/1885 - d. 1365/1945) was a Shiite scholar of the 14th/20th century and the founder of the Ma'arifi School of Khorasan or the Tafkik School. He had studied in Najaf with Muhammad Husayn Na'ini. After his migration to Mashhad, he taught jurisprudence and principles of jurisprudence, campaigning against the Islamic philosophy which led to the establishment of the Ma'arifi School of Khorasan or the Tafkik School.

Ayatollah Sheikh Mohsen Araki (Persian: محسن اراکی‎; Arabic: محسن الأراكي‎) is an Iranian scholar, cleric, university lecturer, and politician. He was born in Najaf in 1956 and was one of the students of the Islamic thinker Grand Ayatollah Mohammad Baqir al-Sadr.

Ayatollah Mohammad Ali Taskhiri was born on the19th of October 1948 in Iraq. He is an important Iranian Shia cleric and diplomat and was one of the Ulama signatories of the Amman Message, which gives a broad foundation for defining Muslim orthodoxy. He died on the 18th of August 2020