Saudi Arabia's Deputy Crown Prince Mohammed bin Salman has become a very familiar figure to Western economists in the wake of the oil price crisis.
Son of the current king of Saudi Arabia, 30-year-old Prince Mohammed has rocked the commodities world with talk of completely reimagining the Saudi economy.
He wants to sell off infrastructure to reduce the deficit and create a "$2 trillion ($1.37 trillion) megafund" to make the country less dependent on oil.
So how did he get to the point of being able to make such huge decisions and command the world's ear?
We take a look back at his life to see how he rose through the ranks:
Deputy Crown Prince Mohammad bin Salman was born on 31 August 1985. He is the eldest son of Salman bin Abdulaziz, the current King of Saudi Arabia.
This is his family tree. His father, Salman bin Abdulaziz, was governor of the Riyadh Province before becoming King, and his rise allowed Mohammad bin Salman to quickly climb the ranks too.
King Salman is known for being politically conservative. He even maintained a small jail on his palace grounds where he would lock up 'wayward royals' according to the Washington Post.
Prince Mohammad studied law at King Saud University, where he graduated second in his class according to Al Arabiya News.
The university has about 65,000 students of both sexes. The female students have their own disciplinary panel, and supervising sessions with male tutors have to be conducted by CCTV cameras, according to its website.
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