Iran Names Mohammad Bagher Zolghadr as New Security Chief After Ali Larijani's Killing

As the US-Iran war enters its fourth devastating week, Iran has moved swiftly to fill one of its most critical leadership vacancies. On Tuesday, Mohammad Bagher Zolghadr, a veteran of the Islamic Revolutionary Guard Corps (IRGC), was officially appointed as the new Secretary of Iran's Supreme National Security Council (SNSC) — the country's most powerful security decision-making body.

The appointment came barely a week after his predecessor, Ali Larijani, was killed in a targeted Israeli airstrike on March 17, 2026.

Who Was Ali Larijani — and Why His Death Matters

Ali Larijani was no ordinary official. In the chaos following the assassination of Supreme Leader Ayatollah Ali Khamenei on the very first day of the war — February 28 — Larijani had emerged as Iran's de facto leader. A former parliament speaker, nuclear negotiator, and IRGC veteran, he was widely described by analysts and international media as the most powerful man in Iran during its darkest hour.

His killing on March 17, along with Basij commander Gholamreza Soleimani, represented the single most significant decapitation of Iranian leadership since the Islamic Republic was founded. Larijani's son Morteza and several of his guards were also killed in the same strike. Israeli Defence Minister Israel Katz declared: "The leaders of the regime are being killed and their capabilities terminated."

Israeli PM Benjamin Netanyahu framed the killing as part of a broader strategy to give ordinary Iranians the chance to "take their fate into their own hands" — a thinly veiled call for regime change from within.

Who Is Mohammad Bagher Zolghadr?

Zolghadr is a seasoned hardliner from within Iran's deep security establishment. A former IRGC commander, he previously served as Deputy Interior Minister for Security Affairs under former President Mahmoud Ahmadinejad, and held senior positions in internal security and crime prevention within Iran's judicial system. Most recently, he had been serving as Secretary of Iran's Expediency Discernment Council.

His appointment was confirmed by the President's office, approved by the new Supreme Leader Mojtaba Khamenei — son of the assassinated Ayatollah — and formally decreed by President Masoud Pezeshkian. Iranian state television and the official IRNA news agency both confirmed the appointment Tuesday.

As SNSC Secretary, Zolghadr now oversees Iran's national security strategy, defence policy coordination, and — critically — the ongoing negotiations and war posture against the US-Israel military campaign.

A Regime Under Unprecedented Strain

The scale of Iran's leadership losses since February 28 is staggering and historically unprecedented. In barely four weeks:

• Supreme Leader Ayatollah Ali Khamenei — killed on Day 1 of the war
• Basij Commander Gholamreza Soleimani — killed March 17
• SNSC Secretary Ali Larijani — killed March 17
• Multiple IRGC commanders and senior officials killed in precision strikes

Mojtaba Khamenei assumed the role of Supreme Leader on March 8, but has made no public appearances — fuelling speculation about his physical safety and the regime's actual chain of command.

A professor at the Doha Institute for Graduate Studies summed up the situation bluntly, telling Al Jazeera that the US and Israel were playing a "game of Whac-A-Mole." His point: Iran's system is deep enough that eliminating individual leaders has not broken the regime. "There's always another leader," he noted.

Zolghadr's First Challenge: War or Talks?

Zolghadr steps into the role at the most precarious moment in Iran's modern history. President Trump has announced a five-day diplomatic window, pausing strikes on Iranian power infrastructure while Pakistan attempts to mediate. Iran's Parliament Speaker Mohammad Bagher Ghalibaf has publicly denied that any direct talks with the US are taking place.

But behind the scenes, Zolghadr will now be the man in the room where Iran's most consequential decisions are made — whether to negotiate, escalate, or endure.

His IRGC background and hardline credentials suggest Tehran is in no mood to project weakness. Yet the relentless erosion of its leadership may leave the new security chief with fewer options than his predecessors ever faced.

The Bigger Picture

Iran has survived decades of sanctions, assassinations, and international isolation. But losing its Supreme Leader, its top security official, and its Basij commander within a single month of war is a stress test unlike any other.

Whether Zolghadr proves to be a steady hand or a hardliner who doubles down on confrontation may well determine whether this conflict ends at a diplomatic table in Islamabad — or spirals into something far worse.