Marie-Noelle Semeria is the Chief Technology Officer of Total since November 2017.During her previous 20 years at CEA, she held various senior-management and strategy-development positions, and secured numerous patents. She has also served during 4 years as a member of the National Committee of CNRS and of the Superior Council of Research and Technology under the president of the Minister of Research and Education, as well as a member of the board of ANR.  Marie-Noëlle Semeria became CEO of Leti, Institute of CEA- Technological Research, in October 2014. She was also named president of the Carnot Institutes Network, an association of more than 30 French research centres and laboratories committed to innovation with industry.