In a post on his X account, Grossi wrote that he had held a meeting with Rubio earlier on Wednesday.
"Timely and important exchange with @StateDept's @SecRubio @marcorubio today in Washington, D.C." said Grossi in his post.
He added that they discussed "IAEA's work in Iran & Ukraine and strong US-IAEA cooperation as nuclear innovation advances."
The IAEA chief further expressed to the United States for its contribution. "Grateful for