Recently Sheikha Al-Mayassa bint Hamad bin Khalifa Al Thani, the head of the Qatar Museums Authority (QMA), was named the most influential personality in the world of art. 

ArtReview in its annual "Power 100", said  the sister of the current emir of Qatar, topped the charts due to "her organisation's vast purchasing power".

The QMA spends about $1bn a year on art, including developing galleries, sponsoring and arranging film festivals and public art. Sur La Terre Arabia’s Laura Hamilton shows Counting the Cost around Qatar’s $25bn art investment.

Watch each week at the following times GMT: Friday: 2230; Saturday: 0930; Sunday: 0330; Monday: 1630.  Click here  for more  Counting the Cost .   

Follow Kamahl Santamaria  @KamahlAJE  and business editor Abid Ali  @abidoliverali .

Source: Al Jazeera