Shaykh Muhammad Mahdi Shams ad-Din Al-Amili

Sheikh Morteza Ansari Dezfuli (also transliterated Mortaza Ansari and Murtada al-Ansari) (1781–1864) was a Shia jurist who was generally acknowledged as the most eminent jurist of the time. Sheikh Ansari has also been called the "first effective" model or Marja of the Shia or "the first scholar universally recognized as supreme authority in matters of Shiite law".

Sheikh Mustafa Jaffer pursued Islamic studies in Tehran, Iran, and also earned his masters degree in Arabic-English Translation and Interpretation from Edinburgh, Scotland. He has also led Hajj groups for the past 20 years and has delivered lectures to Muslim communities across six continents.