Ali al-Sistani

Grand Ayatollah Sayyid Ali al-Husayni al-Sistani (; , born 4 August 1930), commonly known as Ayatollah Sistani, is an Iranian-born Iraqi Shia Marja'. He was born in Mashhad, Iran.
He is seen as the leading spiritual leader of Iraqi Shia Muslims, and one of the most senior scholars in Shia Islam. 
In 2005 and 2014, he was also nominated for Nobel Prize Award.