The annual Art Review Power 100 Ranking has been published, with Tate Director Nicholas Serota topping the list.  Serota is followed close behind by David Zwirner (who maintains his number two ranking from last year) and Iwan Wirth.  Sheikha Al-Mayassa bint Hamad bin Khalifa Al-Thani, last year’s number 1 entry, has been placed this year at 13th. (more…)