A graduate in Theoretical and nuclear physics from Paris Pierre and Marie Curie University/École Normale Supérieure then in Intellectual Property from Strasbourg Legal University , Claire began her career at the CEA (French Atomic Energy Commission) in fundamental research, mainly on particle accelerators. Subsequently she joined ALCATEL LUCENT GROUP becoming IP Counsel re. diverse Business Lines for more than 12 years. In 2012 Claire was appointed as IP director for the Group BULL. In 2014, she has been appointed as Atos Group Head of Intellectual Property.