Who Is Mojtaba Khamenei, Iran’s Supreme Leader?

He is a mid-ranking cleric, long described as his father’s gatekeeper, who inherited his father’s job. Mojtaba Khamenei was born on September 8, 1969, in Mashhad, the second of Ali Khamenei’s six children. He finished high school in Tehran in the mid-1980s and, at about 18, joined the Islamic Revolutionary Guard Corps for the last phase of the Iran-Iraq war, serving in a Tehran battalion from about 1987 until the 1988 ceasefire.

He began seminary studies in Qom in 1989, the year his father became Supreme Leader. His teachers included the hardline cleric Mohammad-Taqi Mesbah-Yazdi. From about 2004 he taught the advanced course in Islamic jurisprudence at the Qom seminary for some two decades. Until 2026 he carried the mid-level title hojatoleslam; his office and state media now style him Ayatollah.

For most of his father’s 37-year rule he worked inside the Office of the Supreme Leader, where he was widely seen as controlling access to the leader. Iranian reformists accused him of backing Mahmoud Ahmadinejad in the 2005 and 2009 presidential elections and of a role in the crackdown on the 2009 protests through the Basij militia. He never answered those accusations in public.

The Assembly of Experts, the 88-member clerical body that the constitution charges with choosing the leader, announced him on March 8, 2026. The strike on February 28 that opened the war killed Ali Khamenei in his Tehran compound. The assembly met while Israeli and US strikes continued, and its statement called him the “third leader” of the Islamic Republic, chosen by the “decisive vote” of its members. It published no vote count.

The choice broke a taboo. The 1979 revolution overthrew a hereditary monarchy. Critics inside and outside Iran called it dynastic succession; supporters answered that the assembly alone holds the power to appoint and that family ties neither qualify nor disqualify a candidate.

The US Treasury sanctioned him on November 4, 2019, for representing the Supreme Leader in an official capacity without ever being elected or appointed to a government post. The Treasury said his father had delegated part of his leadership duties to him and that he worked closely with the commander of the Guard’s Quds Force and with the Basij to advance his father’s regional and domestic aims.

The same action, timed for the 40th anniversary of the 1979 seizure of the US embassy, also listed his father-in-law, Gholam-Ali Haddad-Adel, a former speaker of parliament, and Ebrahim Raisi, then head of the judiciary. The designation freezes any assets he holds under US jurisdiction and bars Americans from dealing with him. It remains in force as of November 2026.

His messages have moved between threats of a wider war and approval of a truce. On March 12 his first statement promised revenge for his father and threatened to open new fronts across the region, stressing the closure of the Strait of Hormuz as a lever. On April 8 a written order told all units to cease fire while saying the war was not over. On June 18 he endorsed the Islamabad Memorandum, the truce with Washington that took effect that day.

Since the autumn his tone has hardened. On October 31 he ordered the armed forces to meet any attack with an “immediate, impactful, and geographically unrestricted response”, as examined in What Did Khamenei Mean by a Response Without Limits? On November 4, the anniversary of the embassy seizure, he said a renewed US attack would bring a “much wider” answer. Read alongside Washington’s own signals in Is the Iran War Over? What Trump and Araghchi Said, his messages set the outer limits for any deal Iran’s negotiators can offer.

His wife was Zahra Haddad-Adel, whom he married in 1999; she was killed in the February 28 strike. She was the daughter of Gholam-Ali Haddad-Adel, a conservative former speaker of parliament who sits on the Expediency Council, so the marriage tied two of the system’s leading families.

The couple had children; photographs published by Iranian media over the years show him with his sons and a daughter at state rallies. His elder brother, Mostafa, is also a cleric. His younger brothers are Masoud and Meysam, and his sisters are Boshra and Hoda.