Mojtaba Khamenei: Iran’s Third Supreme Leader — Who He Is and How He Was Selected

Iran’s political system is built on the doctrine of Velayat-e Faqih — the Guardianship of the Islamic Jurist — developed by Ayatollah Khomeini as the foundation of the Islamic Republic. The doctrine holds that governance must be entrusted to the most qualified Islamic jurist. That jurist is the Supreme Leader — the highest authority in Iran’s constitutional order, above the President, above parliament, above the judiciary. Three men have held this title since 1979.

Born September 8, 1969, in Mashhad, Mojtaba Khamenei spent his adult life exercising power entirely from behind the scenes — which makes him, paradoxically, one of the most influential behind-the-scenes figures in the Islamic Republic for decades.

He attended the elite Alavi High School in Tehran, graduating in 1987, and immediately joined the IRGC, serving in the Iran-Iraq War (1980–1988) in which he was reportedly injured. Those years forged the IRGC relationships that became his primary power base. He studied Islamic theology under his father and under Mahmoud Hashemi Shahroudi (later Chief Justice), and became a theological teacher at the Qom Seminary.

From 1999 until his appointment, he served as Deputy Chief of Staff to the Supreme Leader for Political and Security Affairs — a role with no public profile but enormous influence over Iran’s security apparatus. He has never given a public speech. He never ran for elected office. Millions of Iranians who had heard his name for years reportedly do not know his voice.

He is widely believed to have orchestrated the violent crackdown on the 2009 Green Movement — the mass protests following the disputed re-election of Mahmoud Ahmadinejad, whom Mojtaba had backed. The United States sanctioned him in 2019 for his role in suppressing protesters. A Bloomberg investigation in January 2026 reported that Mojtaba is linked to an offshore financial network with assets including real estate in London and Dubai.

The selection process was not clean. From March 3, IRGC commanders launched a systematic pressure campaign on Assembly of Experts members — involving in-person visits, phone calls, and what participants described as psychological pressure. An initial online session on March 3 was held in an atmosphere described as “unnatural”: those who argued against Mojtaba were given limited time, discussion was cut off, and a preliminary vote was held.

Multiple Assembly members boycotted a second planned session on March 5. On March 6, a parliament member confirmed two candidates remained in contention and that both were “reluctant to accept the position.” The Expediency Discernment Council — chaired by Sadiq Larijani — reportedly moved to suspend the Assembly’s authority and shift decision-making to the Interim Leadership Council, indicating the clerical body’s authority was itself being contested.

During the counting process, US and Israeli bombs struck the Assembly of Experts’ office in Qom — a signal that Israel was tracking the succession in real time and that no one in the chain was outside the targeting perimeter. The final announcement on March 8 cited a “decisive vote.” The IRGC immediately pledged allegiance, describing Mojtaba as “the fully qualified jurist, the young thinker and the most knowledgeable in political and social matters.”

Iran’s constitution requires the Supreme Leader to be a senior Faqih — a qualified Islamic jurist with deep expertise in Shia jurisprudence, capable of issuing religious rulings (fatwas). The Supreme Leader is not merely a political leader but the Vali-e Faqih — the governing jurist whose authority derives from Islamic law itself.

Mojtaba holds the rank of Hojjatoleslam — a mid-level clerical title, literally meaning “Proof of Islam” — which is below Ayatollah and far below Grand Ayatollah. This makes him constitutionally under-qualified for the position — the same problem that arose when his father was appointed in 1989. Ali Khamenei also held only the rank of Hojjatoleslam when he became Supreme Leader; the Assembly of Experts resolved the issue by issuing a declaration that his qualifications were sufficient.

The 1989 constitutional revision had removed the strict requirement for a Grand Ayatollah rank, giving the Assembly flexibility. The Assembly has used that same flexibility for Mojtaba — though critics within Iran’s clerical establishment note that the 1989 revision was made under Khomeini’s direct supervision, while the 2026 selection was made under IRGC military pressure.

Trump’s response was immediate and striking. He called Mojtaba a “lightweight,” declared his selection “unacceptable” to him, and suggested he wanted to be “involved in the appointment” — framing it as though the US President held veto authority over Iranian political succession. He added that Mojtaba was “not going to last long” without US approval.

Iran’s Assembly member Heidari Alekasir inverted this logic into a validation: the candidate was partly chosen because “even the Great Satan has mentioned his name” — reading Trump’s hostility as evidence of anti-imperialist credentials. Fox News later reported Trump confirmed that Iran’s new leadership had “reached out to negotiate,” though the nature of that outreach remained unclear.

Israel warned directly that the new Supreme Leader would be considered a military target. Prime Minister Netanyahu said Israel seeks to “destabilise the regime and enable change.” Iranian President Masoud Pezeshkian welcomed the selection, calling it a reflection of Iran’s “resilience and unity.” Foreign Minister Abbas Araghchi, on NBC’s Meet the Press, rejected ceasefire calls and said Iran “needs to continue fighting for the sake of our people.”

IRGC Supremacy: The manner of selection — overt military pressure on a clerical body — establishes the IRGC as the dominant institution in the Islamic Republic, capable of overriding clerical deliberation. Analysts note Mojtaba may lean more heavily on the IRGC than even his father did, accelerating the militarisation of Iran’s governance.

Continuity Over Reform: Every reformist or moderate candidate has been passed over. Hassan Khomeini (grandson of the founder) was blocked from even running for the Assembly in 2016. President Pezeshkian, a moderate in the interim council, was not considered. The hardline-IRGC axis won decisively.

The Revolutionary Contradiction: A father-to-son succession echoes the monarchy Iran overthrew in 1979. The Islamic Republic has, in its most extreme crisis, replicated the dynastic logic it was built to destroy — a fact not lost on Iran’s reformist and opposition circles.

An Untested Leader at Maximum Pressure: Mojtaba has never spoken publicly, never managed a government portfolio, never been tested in a political crisis. He now leads the Islamic Republic through the largest crisis in its 47-year history — an active war, Hormuz disrupted, maximum economic sanctions, and both the US and Israel publicly promising to target him directly.

Iran’s governance architecture is unique in the world. Understanding its key bodies is essential for competitive exams:

• Supreme Leader (Vali-e Faqih): Highest constitutional authority. Commands armed forces, appoints judiciary heads, controls state media and strategic policy. Above the President.
• Assembly of Experts (Majles-e Khobregan): 88 senior Shia clerics. Elected by popular vote every 8 years. Selects, supervises, and can dismiss the Supreme Leader. Requires simple majority (45 votes) to select a new Leader.
• Guardian Council: 12 members (6 Islamic jurists appointed by Supreme Leader + 6 lawyers nominated by judiciary). Vets all candidates for all elections — including candidates for the Assembly of Experts. Also reviews all legislation for compliance with Islam and the constitution.
• President: Head of government. Elected by popular vote every 4 years. Implements policy. Subordinate to the Supreme Leader on all fundamental matters.
• Expediency Discernment Council: Resolves disputes between parliament and Guardian Council. Can also advise the Supreme Leader on state policy.
• IRGC (Islamic Revolutionary Guard Corps): Separate from the regular Iranian Army. Ideological parallel military force with its own command structure. Includes the Quds Force (foreign operations). Reports directly to the Supreme Leader.