Saudi Crown Prince Mohammed bin Salman (C) arrives to attend a session during the Future Investment Initiative (FII) conference in the capital Riyadh on October 24, 2018.
Crown Prince Mohammed bin Salman at the Future Investment Initiative conference in Riyadh in 2018.
  • About 5,000 delegates are paying $15,000 each to attend an investment conference in Riyadh next month.
  • Many are seeking a slice of the Middle East's oil billions. 
  • Growing interest in the conference also underlines Saudi Arabia's rising global influence.

Demand for the Future Investment Initiative (FII), a Middle Eastern business conference known as "Davos in the desert," is so strong that organizers are charging $15,000 to attend, The Wall Street Journal reported.