Hervé Chneiweiss is a neurologist and neuroscientist, MD-PhD, Research Director at the CNRS. He is currently head of the research centre Neuroscience Paris Seine (CNRS /Inserm/Sorbonne University). Trained as a neurologist (movement disorders, neurogenetics), his scientific work was mainly dedicated to the biology of astrocytes and in the recent period their roles in brain tumour origin, progression and plasticity, identifying new metabolic drivers and therapeutic avenues. He has authored more than 170 academic papers (h 46). He is also involved in bioethics, presently chair Inserm Ethics Committee and UNESCO International Bioethics Committee, member WHO advisory committee on developing global standards for governance and oversight of human genome editing and vice-chair of ARRIGE, he also participated in discussions for the elaboration of OECD recommendation 457 on neurotechnology in health. He wrote several books or chapters on bioethics of human embryos, stem cells, genetics and neuroscience.