Robin Carhart-Harris moved to Imperial College London in 2008 after obtaining a PhD in Psychopharmacology from the University of Bristol and an MA in Psychoanalysis from Brunel University. At Imperial, he has overseen brain imaging studies involving LSD, psilocybin, MDMA and DMT, plus a clinical trial of psilocybin for treatment-resistant depression, and a current study comparing psilocybin with escitalopram for major depressive disorder. In 2019, he set-up the Centre for Psychedelic Research at Imperial and he also an honorary position with the University of Oxford. Two of his most influential works include the ‘Entropic Brain Hypothesis’ and ‘REBUS and the anarchic brain’ - both theories on the brain action of psychedelic drugs.