Muhammad bin Salman Al Saud (Arabic: محمد بن سلطن بن عبد العزيز آل سعود ; Born 31 August 1985) is Saudi Arabia's Crown Prince , Deputy Prime Minister and the world's youngest Minister of Defense. He is the head of the Al Saud royal court and chairman of the Economic and Development Council. His power was considered after his father King Salman, Muhammad bin Nayef was removed from the post of Crown Prince on June 21 , 2016, and Muhammad bin Salman was appointed Crown Prince in his place. Was given to Bin Salman. Muhammad bin Salman