A group of military, theocratic and civilian figures, rather than a single individual, have led decision-making in Iran since the killing of longstanding supreme leader Ali Khamenei in a US-Israeli airstrike at the start of the war.Khamenei's son Mojtaba was named supreme leader after his death but it is unclear what power he wields and he has yet to be seen in public.US President Donald Trump said last month that the war had removed a "first set" and "second set" of leaders but maintained that the "third set" was "smart", "very rational" and "not radicalised".Here AFP looks at the Iranian system's key figures, whose presence at the funeral ceremonies for Ali Khamenei starting Saturday will be closely watched.- Supreme leader Mojtaba Khamenei -After succeeding his father as supreme leader, Mojtaba Khamenei in theory sits at the top of Iran's theocratic system in a post-for-life with the final say on all significant policy matters.But he has yet to be seen in public since being named, with officials saying he was wounded. He has issued numerous written statements on policy matters but is far from replicating the one-man rule of his father.- Parliament speaker Mohammad Bagher Ghalibaf -The most prominent public face of the leadership in the absence of Mojtaba Khamenei, Ghalibaf led Iran's negotiating team in talks with the United States, first in Pakistan and then in Switzerland last month.During three decades at the centre of the Iranian system he has held posts straddling civilian and military life, as commander of the aerospace forces of the Revolutionary Guards, Tehran police chief, Tehran mayor and now parliament speaker.During the intense negotiating process with the US, he carefully avoided any joint photo with US Vice President JD Vance, possibly out of concern for possible hardline criticism at home.- President Masoud Pezeshkian -President since 2024 following the death of his predecessor Ebrahim Raisi in a helicopter crash, Pezeshkian is seen as belonging to the more moderate wing of politics in Iran.