Iranian supreme leader Mojtaba Khamenei, appointed after a career entirely out of the spotlight as a behind-the-scenes figure, faces the challenge of occupying a role incarnated by his father for most of the Islamic republic's existence.
Mojtaba Khamenei was barely known to Iranians when he was named shortly after the killing of his father and longstanding supreme leader, Ali Khamenei, who had been in the post-for-life since 1989, in a US-Israeli airstrike at the start of the Middle East war.