Youssef Nabil was born in Cairo in 1972 and has lived and worked in Paris and New York since 2002. Hans Ulrich Obrist is a Swiss art critic and curator. Today, he is the Director of the Serpentine Gallery in London. Marina Abramovic is a famous performance artist who began her career in the 1970s. Her work was the subject of a major retrospective at the MoMA in New York in 2010.