She completed her BSc (Hons) Psychology at the Goldsmiths College, University of London and her Doctorate in Clinical Psychology at the University of Surrey. She has also completed further training in Dialectical Behaviour Therapy (DBT) and Schema Focussed Therapy.In her role within the NHS, Dr Lewis specialises in working with adults and young people who have a variety of complex needs, including behaviours which have put themselves and others at risk of harm. Dr Lewis has published research in the area of childhood Conduct Disorder and provides expert opinion for the civil and criminal courts where there are concerns about the risk of violence and sexual harm.