Canadian author, journalist and art critic, Denise Wendel-Poray is a former opera singer and graduate of Yale University and McGill University in Montreal. She has written numerous art books and was curator of the Wilhelm Lehmbruck Museum. Olivier Kaeppelin, French curator, art critic and writer, he was Director of Visual Arts at the Ministry of Culture and Communication from 2004 to 2010, Director of the Palais de Tokyo Project from 2009 to 2011, and finally Director of the Maeght Foundation from 2011 to late 2017. Philippe Dagen, art historian, researcher, art critic and writer. Columnist for Le Monde, he teaches contemporary art history at the University of Paris 1 Panthéon Sorbonne.