According to a post from [source handle], Mojataba Khamenei, son of Ali Khamenei, has been chosen by the Assembly of Experts as the Supreme Leader of the Islamic Republic of Iran. However, a quoted tweet from @hey_itsmyturn notes that initial reports claim this, but it is not confirmed by any official news agencies as of now.
Report: Mojataba Khamenei Chosen as New Supreme Leader of Iran
Mojataba Khamenei reportedly chosen as Iran's new Supreme Leader by the Assembly of Experts, though official confirmation is pending.