Agnès RÖTIG is research director (DR1, INSERM) in Institut Imagine. She completed her PhD in mitochondrial biology in Université Pierre et Marie Curie. She carried a post-doctoral training in INSERM U12 in Necker hospital during which she has built her research group in the field of mitochondrial disorders in very close collaboration with the Genetic Unit of Necker Hospital. By using gene mapping, candidate gene analysis and now next generation sequencing, she has described several novel genes responsible of these disorders.