Kevin Joseph Michael Gournay CBE FMedSci FRCN FRSM FRCPsych (Hon) PhD RN CSci Cert CBT is a registered psychologist, chartered scientist and a registered nurse by background. He is an emeritus professor at the Institute of Psychiatry, King's College London. He was a consultant psychologist at the Priory Hospital North London; retiring in December 2018. He has now returned to clinical work as part of the response to COVID19. He is currently an Honorary Professor at the Matilda Centre; University of Sydney., where his work focusses on the combination of mental health problems and substance use. He has been responsible over many years for a very wide range of research, policy and practice development in mental health care. He also works as an Expert Witness; he has provided reports on more th