Yann Philippe Charles is an orthopaedic surgeon specialized in spine surgery. He completed his orthopadic residency at the University of Heidelberg, Germany, and the University of Montpellier, France. He is currently Professor at the Department of Spine Surgery at the University of Strasbourg, Fance, and he is an active member of scientific societies dedicated to orthopaedics and spine care. He has conducted a large number of clinical and basic research studies related to spinal growth and skeletal maturity, scoliosis, spinal trauma and minimal invasive surgery, as well as dynamic instrumentation and sagittal balance. He has performed a PhD thesis on posterior facet supplementation in collaboration with the Laboratory of Biomechanics Arts et Métiers ParisTech and he is currently affiliated to the Laboratory of Biomechanics ICube of Strasbourg.