In its annual Power 100 issue, Art & Auction positions Sheikha Al-Mayassa bint Hamid bin Khalifa Al-Thani, the daughter of the Emir of Qatar, as the most influential person in the art world. Shiekha Al-Mayassa is the chairwoman of the Qatar Museums Authority, an organisation overseeing the country's cultural initiatives including the world's biggest art buying spree.
You can see the Power 100 top ten here.
Image: Sheikha Al-Mayassa at the opening of Takashi Murakami's exhibition at Versailles in 2010
