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Rafael Mariano Grossi

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International Atomic Energy Agency Director-General Rafael Grossi speaks during a news conference at Fukushima Daiichi nuclear power plant in Okuma, Fukushima prefecture, Japan, Wednesday, June 24, 2026. (Kyodo News via AP)

U.N. nuclear chief says inspectors will visit Iran sites. Tehran says only after a final deal

By Mari Yamaguchi and Jon Gambrell - Associated Press

FILE - The flag of the International Atomic Energy Agency (IAEA) flies during a special session of an IAEA Board of Governors meeting in Vienna, Austria, March 2, 2026. (AP Photo/Heinz-Peter Bader, File)

U.N. nuclear watchdog board demands urgent Iran cooperation and access to nuclear sites

By Stephanie Liechtenstein - Associated Press

International Atomic Energy Agency Director-General Rafael Mariano Grossi is interviewed at United Nations headquarters, Wednesday, Oct. 29, 2025. (AP Photo/Richard Drew) ** FILE **

North Korea ‘rapidly’ advances nuclear arms beyond ‘few dozen’ warheads, says U.N. atomic head

By Andrew Salmon - The Washington Times

This satellite picture by Planet Labs PBC shows Iran's underground nuclear enrichment site at Fordo on March 19, 2025. (Planet Labs PBC via AP)

Grossi: Iran’s enriched uranium, facilities likely set back, but its nuclear knowledge still intact

By Mike Glenn - The Washington Times

This satellite image provided by Maxar Technologies shows the Natanz nuclear enrichment facility, where multiple buildings were destroyed from recent Israeli airstrikes, 135 miles southeast of Tehran, Iran, Saturday, June 14, 2025. (Maxar Technologies via AP)

U.N. nuclear agency warns of possible contamination inside Iran’s Natanz site after Israeli strikes

By Stephanie Liechtenstein - Associated Press

Rafael Mariano Grossi, the director-general of the International Atomic Energy Agency, speaks to journalists attending a weeklong seminar at the agency in Vienna, Austria, Wednesday, May 28, 2025. (AP Photo/Jon Gambrell)

After report about Iran’s increasing uranium stockpiles, Iranian FM stresses Iran’s cooperation

By Melanie Lidman - Associated Press

In this photo released by the Atomic Energy Organization of Iran, International Atomic Energy Agency (IAEA) Director-General Rafael Mariano Grossi, center, visits an exhibition of Iran's nuclear achievements, in Tehran, Iran, Thursday, April 17, 2025. (Atomic Energy Organization of Iran via AP) ** FILE **

U.N. atomic watchdog chief says ‘jury is still out’ on Iran-U.S. nuclear talks

Associated Press

International Atomic Energy Agency (IAEA) Director General Rafael Mariano Grossi speaks during a joint press briefing with head of Atomic Energy Organization of Iran Mohammad Eslami in Tehran, Iran, Thursday, Nov. 14, 2024. (AP Photo/Vahid Salemi)

Head of U.N.’s nuclear watchdog visits Iran as Mideast wars and Trump’s return raise worries

By Jon Gambrell - Associated Press

International Atomic Energy Agency Director General Rafael Mariano Grossi speaks to the media at the COP29 U.N. Climate Summit, Tuesday, Nov. 12, 2024, in Baku, Azerbaijan. (AP Photo/Peter Dejong)

U.N. nuclear watchdog warns of ‘dire straits dynamic’ ahead of Iran meetings

By Peter Prengaman - Associated Press

International Atomic Energy Organization, IAEA, Director General Rafael Grossi speaks during his joint press conference with the head of Iran's atomic energy department Mohammad Eslami after their meeting in the central city of Isfahan, Iran, Tuesday, May 7, 2024. (AP Photo/Vahid Salemi)

Iran and the U.N. nuclear agency are still discussing how to implement a 2023 deal on inspections

By Jon Gambrell - Associated Press

FILE - IAEA Director General Rafael Mariano Grossi attends a joint press conference with head of Atomic Energy Organization of Iran Mohammad Eslami in Tehran, Saturday, March 4, 2023. Iran has further increased its total stockpile of uranium, according to a report by the United Nations’ nuclear watchdog seen by The Associated Press on Monday, and continues to bar several of the most experienced inspectors from monitoring its nuclear program. The IAEA report estimated that as of Feb. 10, Iran’s total enriched uranium stockpile was at 5,525.5 kilograms, an increase of 1038.7 kilograms since the last quarterly report in November 2023. (AP Photo/Vahid Salemi, File)

U.N. atomic watchdog’s director says he’s heading to Moscow for talks on nuclear safety in Ukraine

By Stephanie Liechtenstein - Associated Press

U.N. atomic chief backs nuclear power at COP28 as world reckons with proliferation

By Jon Gambrell - Associated Press

Rafael Mariano Grossi, director-general of the International Atomic Energy Agency, speaks during an interview with The Associated Press at a hotel in Tokyo, Japan, on Friday, July 7, 2023. (AP Photo/Shuji Kajiyama) ** FILE **

IAEA head says the barring of several nuclear inspectors by Iran is a ‘serious blow’ to monitoring

By Stephanie Liechtenstein - Associated Press

This image provided by Maxar Technologies, shows the Zaporizhzhia Nuclear Power Plant in Southern Ukraine on Friday June 30, 2023. Ukraine and Russia are accusing each other of planning to attack one of the world’s largest nuclear power plants. But neither side provided evidence to support their claims of an imminent threat to the facility in southeastern Ukraine that is occupied by Russian troops. (Satellite image ©2023 Maxar Technologies via AP)

U.N. nuclear agency pushes for access to Zaporizhzhia plant roof after reports of Russian explosives

By Mari Yamaguchi - Associated Press

International Atomic Energy Agency head Rafael Mariano Grossi shakes hands with Foreign Minister Yoshimasa Hayashi before their meeting at the Iikura guesthouse in Tokyo, Tuesday, July 4, 2023. The head of the U.N. nuclear agency is in Japan to meet with government leaders Tuesday and to see final preparations for the release of treated radioactive wastewater into the sea from the damaged Fukushima nuclear plant, on a visit Japan hopes will give credibility to the contentious plan. (Nozomu Endo/Kyodo News via AP)

IAEA chief visits Fukushima before radioactive water is released

By Mari Yamaguchi - Associated Press

In this photo provided by the IAEA Press Office, U.N. atomic energy chief Rafael Mariano Grossi stands on a road next to a UN vehicle on his way to the Zaporizhzhia Nuclear Power Plant, in southeastern Ukraine, Wednesday March 29, 2023. (IAEA Press Office via AP)

U.N. atomic watchdog chief pursues Ukraine nuclear plant deal

By Elena Becatoros - Associated Press

Ukrainian President Volodymyr Zelenskyy meets with with U.N. atomic energy chief Rafael Mariano Grossi during a visit to Zaporizhzhia, Ukraine, Monday March 27, 2023. The two discussed the precarious situation at the Zaporizhzhia Nuclear Power Plant, which has lost several of its power transmission cables during the conflict and on multiple occasions has had to switch to emergency diesel generators. (AP Photo/Efrem Lukatsky)

IAEA head: Increased combat around Ukrainian nuclear plant

By Elena Becatoros - Associated Press

Ukrainian soldiers stand guard in front of the 'sarcophagus' steel structure, top left, that shelters the reactor 4 at the Chernobyl nuclear power plant, in Chernobyl, Ukraine, Tuesday, April 26, 2022. (AP Photo/Francisco Seco)

Nuclear chief: Russia’s Chernobyl seizure risked accident

By Oleksandr Stashevskyi and Cara Anna - Associated Press

A Soviet-era top secret object Duga, an over-the-horizon radar system once used as part of the Soviet missile defense early-warning radar network, seen behind a radioactivity sign in Chernobyl, Ukraine, on Nov. 22, 2018. (AP Photo/Efrem Lukatsky, File)

Chernobyl staff held at nuke plant by Russians facing ‘psychological pressure and moral exhaustion’

Associated Press

International Atomic Energy Agency Director General Rafael Mariano Grossi arrives for an interview with The Associated Press, in Abu Dhabi, United Arab Emirates, Tuesday, Dec. 14, 2021. Grossi, the head of the United Nations nuclear watchdog warned Tuesday that the restrictions faced by his inspectors in Iran threaten to give the world only a “very blurred image” of Tehran's program as it enriches uranium closer than ever to weapons-grade levels. (AP Photo/Kamran Jebreili)

The AP Interview: UN nuke chief says view of Iran blurred

By Jon Gambrell and Isabel Debre - Associated Press