Khamenei has the final say but he's 85 he won't be around forever. It's also not in the intererest of the new president Pezeshkian he want to improve relations with the West.

Pezeshkian was born on September 29, 1954 in Mahabad , a city in West Azerbaijan province known for its large population of Azerbaijani and Kurdish ethnic minorities. His father was Iranian Azebaijani and his mother Iranian-Kurdish.