More facts and figures from our list of the world's most influential Arabs
Saudi Arabia’s Prince Alwaleed has been selected by Arabian Business as the world's most powerful Arab for the ninth consecutive year.
The Kingdom Holding chairman took pole position in the Power 500 list - just ahead of Emirates Airline chairman Sheikh Ahmed.
Read our timeline to find out more about the life of Prince Alwaleed and see the full list of the world's 500 most powerful Arabs here.
With my first tweet I look forward to connecting with you on this global platform. Alwaleed— الوليد بن طلال (@Alwaleed_Talal) March 13, 2013