Olli Heinonen
Senior researcher at the Belfer Center
📰 Recent Mentions
View Timeline →Enriched uranium, the latent threat at the center of the dispute between the US and Iran
This article discusses the uncertainty surrounding Iran's enriched uranium stockpile after US and Israeli strikes in 2025 and the interruption of IAEA inspections. It highlights…
Former Deputy Director of the International Atomic Energy Agency Urges Iran to Facilitate 'Verification'
Olli Heinonen, former deputy director of the IAEA, called on Iran to facilitate verification of its nuclear activities amid criticisms of its lack of cooperation.…
Bolton Cites New Report: Iran Has Lied to the Agency
John Bolton accused Iran of providing false information to the IAEA based on a new report regarding its nuclear activities. The report, authored by experts,…
Release of Stolen Documents from Torqozabad; 'Production of Five Nuclear Warheads in the First Step'
Israeli agents allegedly stole documents from Torqozabad, revealing Iran's plans for nuclear warhead production, potentially leading to a significant increase in nuclear capabilities. The article…
What is the Flaw in the JCPOA? Explanations from Former Deputy Director of the IAEA
The article discusses the flaws in the JCPOA following the U.S. withdrawal and the ongoing concerns regarding Iran's nuclear program. Key figures such as Donald…
The Controversial Section of the JCPOA: What Do We Know About Clause 'T'?
The discussion around Clause 'T' of the JCPOA has intensified with the new U.S. government's criticism of the agreement. This clause pertains to activities related…
Valiati: No Permission Will Be Granted for Visits to Iran's Military Facilities
Ali Akbar Velayati stated that Iran will not allow the U.S. to inspect its military sites, dismissing Trump's calls for inspections as nonsense. This rejection…
America's Options for More Serious Implementation of the JCPOA
The U.S. government has confirmed Iran's compliance with the JCPOA, but President Trump is dissatisfied with this confirmation and seeks stricter enforcement. The U.S. plans…
Associated Press Report Indicates Efforts by JCPOA Opponents
The Associated Press reported on potential reductions in restrictions on Iran's nuclear program as the fourth round of JCPOA talks begins. Experts suggest this report…
Heinonen: The Transition Day May Arrive Much Sooner
Olli Heinonen, a former IAEA official, critiques the JCPOA for lacking transparency in verifying Iran's nuclear commitments and suggests that Iran may expedite the lifting…
Nuclear Security Experts: Details of Inspections at Parchin Site Should Be Released
Nuclear security experts are urging the IAEA and global powers to release details of inspections at Iran's Parchin military site, warning that secrecy could damage…
USA: Any attempt to sanitize the Parchin site will be a cause for concern
The U.S. State Department has expressed concern over potential sanitization efforts at Iran's Parchin military site, emphasizing confidence in its ability to detect past nuclear…
Czech Republic Prevents 'Nuclear-Applicable Deal' for Iran
The Czech Republic has blocked a significant deal for Iran involving sensitive technology that could be used in nuclear enrichment. This action reflects ongoing Western…