Zolghadr, an ex-IRGC commander, will manage Iran’s security amid external US-Israeli pressures and internal unrest.Iran on Tuesday appointed Mohammad Bagher Zolghadr as the successor to Ali Larijani — who was killed in an air strike last week — as the head of the country’s Supreme National Security Council (SNSC).Chosen for one of the most sensitive posts in Iran’s political system, Zolghadr will navigate a complex security situation, shaped by military pressure from the United States-Israeli war on Iran and domestic challenges.Recommended Stories list of 3 itemsend of listDescribed by Al Jazeera correspondent Suheib Alassa as a “heavyweight security figure”, Zolghadr, a former Islamic Revolutionary Guard Corps (IRGC) commander and the secretary of the advisory Expediency Council since 2023, has credentials that place him at the heart of Iran’s security decision-making.Belonging to the first generation of the IRGC, formed after the 1979 Islamic revolution, Zolghadr fought in the Iran-Iraq war. He has held a series of senior military and security roles, including chief of the IRGC Joint Staff for eight years, and the organisation’s deputy commander-in-chief for another eight years. He then moved on to high-level political and judicial positions.His selection, Alassa says, reflects Tehran’s need for someone capable of filling the void left by Larijani, long regarded as a deeply experienced political and security figure within the governing system. Replacing him was never likely to be straightforward.In that context, Zolghadr’s appointment should not be viewed as an immediate response to the current war, but rather, the result of a longer process to identify a figure with the specific qualities required for such a sensitive role.ChallengesThe nature of the SNSC lea …