David Nutt is a psychiatrist and the Edmond J. Safra Professor of Neuropsychopharmacology in Imperial College London. He has been president of the European Brain Council, the BAP, BNA, and ECNP.  He is currently Founding Chair of the charity DrugScience.org.uk. David has published over 35 books and over 1000 papers, including in Nature, Cell Lancet and New England Journal of Medicine. These define his many landmark contributions to psychopharmacology including GABA and noradrenaline receptor function in anxiety disorders, serotonin function in depression, endorphin and dopamine function in addiction and the neuroscience and clinical utility of psychedelics.