Over the past ten days, U.S. and Israeli airstrikes have destroyed Iran’s nuclear facilities, depleted missile stockpiles, and eliminated several senior commanders. Yet the core objective — triggering internal collapse of the Iranian regime — has failed entirely. Not only has Iran avoided implosion, but its successor leader appears even more hardline than his father, more closely aligned with the Revolutionary Guard, and personally burdened by family tragedy — a “revenger” shaped by loss.

Who Is Mojtaba?

Mojtaba Khamenei, 56, was born in the northeastern holy city of Mashhad. After the 1979 Islamic Revolution, he moved to Tehran with his father. Following high school, he joined armed organizations linked to the Islamic Revolutionary Guard Corps (IRGC) and served during the final phase of the Iran–Iraq War.

After the war, he pursued advanced religious studies in the Shiite center of Qom and gradually became a close political aide to his father. Iranian media describe him as deeply involved in major state affairs, maintaining close working relationships with senior government officials and military commanders, as well as leaders of Iran’s so-called “Axis of Resistance,” including the late General Qassem Soleimani and former Hezbollah leader Hassan Nasrallah.

In 2019, during President Trump’s first term, the U.S. government sanctioned Mojtaba, accusing him of sharing responsibility with Iran’s Supreme Leader. This suggests that Washington long viewed him as a key power broker operating behind the scenes.

Now, the former “shadow leader” has stepped into full view — and under tragic circumstances. His father, mother, and wife were all reportedly killed in the February airstrikes. According to Fudan University Middle East expert Sun Degang, Mojtaba’s personal grief aligns with national sentiment, reinforcing expectations that he will adopt an even tougher stance toward the United States and Israel.

What Signals Does His Election Send?

Mojtaba’s elevation sends three powerful signals.

First, domestically: the regime has not collapsed, and resistance continues. Immediately after his appointment, the IRGC pledged loyalty to the new leader, declaring readiness to follow his directives. Iran’s parliament speaker described the decision as “precise and decisive,” praising Mojtaba as loyal, revolutionary, and trusted. Public rallies of allegiance aim to demonstrate that the regime survived a decapitation strike.

Second, toward the U.S. and Israel: retaliation will persist, and the conflict may not be nearing resolution. Shortly after the announcement, Iran launched renewed missile strikes against Israel — the first military action under Mojtaba’s leadership. Analysts at the Washington Institute for Near East Policy suggest he may expand missile operations, deepen regional proxy support, and potentially accelerate nuclear development. More concerning, some observers argue that the new leadership and the IRGC could conclude that rapid acquisition of nuclear weapons is necessary to deter further strikes — a step his father had previously avoided.

Third, globally: stability in the Strait of Hormuz may remain elusive. Mojtaba’s longstanding hardline position and close ties to the IRGC — the force responsible for enforcing blockades and targeting Gulf oil infrastructure — imply continued volatility. Recent strikes against Saudi Arabia, the UAE, Qatar, Kuwait, and Bahrain, including damage to energy facilities and shipping, underscore the risks. As long as Mojtaba remains in power, one of the world’s most critical oil chokepoints may remain under threat.

Washington’s response has been forceful. President Trump described Mojtaba’s succession as “unacceptable” in an interview with Axios, insisting that Iran’s new leader “must receive our approval.” He further suggested in remarks to U.S. media that without American consent, the new leadership “would not last long.”

Israel’s position has been even more direct. An Israeli military spokesperson warned in Persian that any successor would become a target. Members of Iran’s Assembly of Experts have also reportedly been designated as potential targets.

For global investors, the decisive variable may not be statements from Washington, but actions taken in Tehran. Those developments will ultimately shape oil prices, gold, and broader risk assets in the months ahead.