 Since 1989, he has been working in the Biology Department of the ENS, where he continues to study genes that play an important role in the development of the nervous system or its function and regulation.At ENS, Patrick Charnay was Director of an Inserm Unit (1993-2005), Director of the Biology Department (2000-2001 and 2016-2017) and Professor of Biology (2013-2018).He also taught at the École Polytechnique (1997-2010).