Dr Himanshu Tyagi PhD FRCPsych is a medical psychotherapist and neuropsychiatrist in the field of obsessive-compulsive and related disorders. His main clinical and research focus is on obsessive-compulsive & related disorders in neuropsychiatric settings. He coordinated the first UK trial investigating Deep Brain Stimulation (DBS) in severe and treatment refractory obsessive-compulsive disorder (OCD) between 2012-2016 at UCL Queen Square Institute of Neurology. He holds a CCT in Psychotherapy (CBT), a PhD in neuroscience from UCL and was the recipient of Higher Psychiatric Trainee of the Year award from the Royal College of Psychiatrists, UK in 2012 and British Neuropsychiatric Association’s Alwyn Lishman prize in 2017. He is also a co-founder and co-chair of the Royal College of Psychiatrists network for Obsessive-Compulsive and Related Disorders (OCARD).