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Iran’s hardline parliament speaker and key negotiator Mohammad Bagher Ghalibaf warned that Tehran would not honor its commitments under a newly signed memorandum with the U.S. if Washington fails to uphold its side of the deal, according to the media arm of Iran’s Islamic Revolutionary Guard Corps.
“If the United States does not honor its commitments, there is no way Iran will honor its own commitments,” Ghalibaf said, according to the outlet.
Ghalibaf’s warning was echoed Thursday by Islamic Revolutionary Guard Corps Quds Force commander Esmail Qaani, who threatened the U.S. in remarks translated by MEMRI TV, saying, “Americans should know their place and avoid confronting the Muslims.”
Qaani added that “Trump is trembling” and warned that the U.S. “should fear not only Hormuz and Bab al-Mandeb, but many other locations as well.”
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The warnings came after President Donald Trump and Iranian President Masoud Pezeshkian Wednesday digitally signed a copy of the memorandum aimed at ending the war and resuming the flow of traffic through the Strait of Hormuz.
Iran’s hardline parliament speaker and key negotiator Mohammad Bagher Ghalibaf warned that Tehran would not honor its commitments under a newly signed memorandum with the U.S. if Washington fails to uphold its side of the deal. (Majid Asgaripour/WANA)
The memorandum gives Iran major economic relief while leaving some of the most difficult nuclear questions for a final agreement to be negotiated throughout the next 60 days. Under the 14-point plan read by a senior U.S. official, Washington agreed to begin lifting its naval blockade, work with regional partners on a $300 billion reconstruction and development plan for Iran, and terminate U.S., U.N. and other sanctions on an agreed schedule as part of a final deal.
The memorandum also says all licenses, waivers and permissions needed for related financial transactions would be granted by the United States.
In return, Iran reaffirmed that it “shall not procure or develop nuclear weapons,” and the two sides agreed to resolve the fate of Iran’s stockpiled enriched material under a future mechanism, with the minimum method being on-site down-blending under International Atomic Energy Agency supervision.
The agreement defers many of the hardest questions — including how to wind down Iran’s nuclear program — until the 60-day negotiation period for a final deal.
But the Iranian figure at the center of the deal is not a diplomat known for moderation.
Ghalibaf, a former Islamic Revolutionary Guard Corps commander and longtime regime insider, has threatened American forces, vowed Trump would “pay the price” and built his career through loyalty to Iran’s security establishment.
The new warning underscored what experts say is the central risk of the agreement: Washington may be entering a deal with officials who can enforce Iran’s commitments, but who have shown little sign of changing the regime’s long-term posture toward the U.S., Israel or the region.
Ghalibaf, 64, is a product of Iran’s security establishment. He rose through the ranks of the Islamic Revolutionary Guard Corps during the Iran-Iraq War, eventually becoming commander of the Islamic Revolutionary Guard Corps air force.
He later served as Iran’s national police chief, overseeing internal security forces responsible for suppressing protests, including the 1999 student uprising, alongside Qassem Soleimani.
After transitioning into politics, Ghalibaf attempted to run for president multiple times but failed. He instead built his career through loyalty to the system, serving as Tehran’s mayor for more than a decade before becoming speaker of parliament in 2020.
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Iranian Parliament Speaker Mohammad-Bagher Ghalibaf looks on as parliament members wearing military uniforms chant in support of the IRGC in Tehran, Iran, on Feb. 1, 2026. (Hamed Malekpour/Islamic consultative assembly news agency/WANA (West Asia News Agency)/Handout via Reuters)
“Ghalibaf doesn’t have an independent line. His strength is that he is a ‘yes man,’” Beni Sabti, an Iran expert at the Institute for National Security Studies, previously told Fox News Digital. “If he is told to shake hands with Special Envoy Steve Witkoff, he will do it. If he is told to escalate, he will. It is not about moderation, it is about who gives the orders.”
“His name has also been linked to multiple corruption allegations, including misuse of oil revenues and sanctions evasion networks involving his family. His sons have reportedly been involved and are under sanctions,” Sabti said, adding, “There have also been public scandals involving family members traveling abroad and making luxury purchases, including widely circulated images of them arriving with numerous high-end Gucci suitcases.”
Behnam Ben Taleblu, a senior fellow at the Foundation for Defense of Democracies, said the image of Ghalibaf at a signing ceremony with a senior U.S. official would be a propaganda victory for the regime.
“There was a time when the Islamic Republic would have been terrified to be seen signing such a thing,” Ben Taleblu told Fox News Digital. “Post-war, this is a sign of the regime’s opportunism, and no one identifies that opportunism better than someone like Ghalibaf, who comes from the IRGC, who is a corrupt politician and is a wheeler and dealer.”
But Taleblu warned that Washington should not confuse Ghalibaf’s opportunism with moderation.
“The mirage is the myth of Iranian military moderation and the myth that, with time, this regime will integrate and put aside all the things that have kept it on the sidelines for so long,” he said. “Transforming Iran via a deal — that is a huge lift.”
Ghalibaf’s wartime statements reflect the hardline posture inside Iran’s leadership. In remarks aired on Iranian television on Jan. 12 and translated by MEMRI, he warned that U.S. forces would face catastrophic consequences if they confronted Iran.
“Come, so you can see what catastrophe befalls American bases, ships and forces,” he said, adding that American troops would be “burned by the fire of Iran’s defenders.”
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A man lights a cigarette with fire from a burning picture of Iranian Parliament Speaker Mohammad Bagher Ghalibaf as Israelis rally in support of nationwide protests in Iran in Holon, Israel, on Jan. 14, 2026. (Ammar Awad/Reuters)
More recently, he warned that “the blood of American soldiers is the personal responsibility of Trump,” and vowed Iran would “settle accounts with the Americans and Israelis,” adding that “Trump and Netanyahu crossed our red lines and will pay the price.”
John Hannah, a senior fellow at the Jewish Institute for National Security of America and a former national security adviser to Vice President Dick Cheney, said Ghalibaf’s expected role reflects the reality of who holds power inside Iran.
“If you’re going to sign an agreement with Iran, those are the forces in charge and calling the shots, presumably with the approval of the new Supreme Leader,” Hannah told Fox News Digital. “If the U.S. harbors hope that Iran will ever implement any of their obligations under the MOU, these are the people — odious as they are — capable of making it happen.”
But Hannah said the central question is whether Iran’s leadership sees compliance as useful, or whether the agreement is simply a tactical pause.
“The big question is whether they see it in their interest to do so, or are they only buying time, rebuilding their power and preparing for the next round of conflict,” he said.
Ben Taleblu was even more blunt, warning that even a seemingly favorable agreement would not change the nature of the regime.
“Even if you’ve got the perfect deal, with this kind of regime, with this kind of mentality, they will escalate,” he said. “I thought we would have learned by now what the regime did after the JCPOA. It built a vast missile arsenal. It literally built an empire of terror proxies that took Israel years of blood, effort and money to dismantle, backed by American support.”
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Iranian Parliament Speaker Mohammad Bagher Ghalibaf speaks during a press conference in Tehran, Iran, Nov. 27, 2024. (Majid Asgaripour/WANA (West Asia News Agency) via REUTERS)
“If we engage in pay-to-play with these guys,” he added, “I’m sorry to sound the alarm bell like this — but something tells me this is bad either way.”