[custom_adv] Mohammad bin Salman bin Abdulaziz Al Saud, is the crown prince of Saudi Arabia. He is serving as the country's deputy prime minister and is also chairman of the Council for Economic and Development Affairs, chairman of the Council of Political and Security Affairs, and minister of defense – the world's youngest at the time of his appointment. [custom_adv] He has been described as the power behind the throne of his father, King Salman, who suffers from Alzheimer's disease. [custom_adv] He was appointed crown prince in June 2017 following King Salman’s decision to remove Muhammad bin Nayef from all positions, making Mohammad bin Salman heir apparent to the throne. [custom_adv] He has led a handful of successful reforms, which include regulations restricting the powers of the religious police, and the removal of the ban on female drivers. [custom_adv] Other cultural developments under his reign include the first Saudi public concerts by a female singer, the first Saudi sports stadium to admit women, and an increased presence of women in the workforce.