Grand Ayatollah Mohammad Taqi Bahjat Foumani (محمدتقی بهجت فومنی‎) (24 August 1916 – 17 May 2009) was an Iranian Twelver Shia Marja'. He was born in Fouman, Gilan province in the north of Iran. He started his primary education from Fouman. He then travelled to Karbala and Najaf at an early age to continue his education. In Najaf, he was a student of Abu'l-Hasan al-Isfahani, Shaykh Muhammad Kazim Shirazi, Mirza Hussein Naini, Agha Zia al-Din Araghi, and Shaykh Muhammad Hussain al-Gharawi. In addition, Ali Tabataba'i (known as Ayatollah Qazi) was his teacher in spirituality and gnosticism.

Grand Ayatollah Seyyed Hossein Borujerdi (آیت الله العظمی سید حسین طباطبایی بروجردی) (March 1875 – 30 March 1961) was an leading Iranian Shia Marja' in Iran from roughly 1947 to his death in 1961.

Ayatullah Mazaheri was born into a religious family in 1934 in the city of Isfahan, Iran. He began his Islamic studies in the Hawza 'Ilmiyyah of Isfahan and completed his Arabic studies under the guidance of the late Hajj Agha Ahmad Muqaddas. His higher studies were conducted under the guidance of Ayatullah Khadimi, and Ayatullah Fayyad. Four years later, he moved to Qum to continue his studies under the supervision of the late scholar Shaikh Abd al‑Jawad Jabal al‑Amuli, the late Marja Ayatullah al‑Sayyid Shahab al‑Din Mar'ashi Najafi, and the late Ayatullah Shaikh Murtada Haeri.

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.