is archaeologist and art historian. A specialist of Bronze Age China, he is currently teaching as a full professor at the Ecole Pratique des Hautes Etudes, Paris. From 1993 he has participated in two joint programs of archaeological excavations in China. He gave courses and seminars at the Kunsthistorisches Institut, Heidelberg University (1996), and at the Institute of Fine Arts, New York University (2005, 2007). In 2006-2009, he was the director of the Research Centre on Chinese, Japanese and Tibetan Civilizations, Paris.