Tamsin is Professor of Child and Adolescent Psychiatry at the University of Cambridge. She completed her clinical training at the Bethlem and Maudsley Hospitals and her PhD at the Institute of Psychiatry, King's College London. She worked at the University of Exeter medical School between 2007 and 2019, where she set up the Child and Adolescent Mental Health Group. She researches the effectiveness of services and interventions to support the mental health of children and young people. Her work has an increasing focus on schools and education, and includes the patterns of service use, service organisation, the accurate identification of psychopathology and the generation or synthesis of evidence for interventions directly with families or indirectly through practitioners working with children. The research methods used include secondary analysis of large epidemiological datasets, mixed qualitative and quantitative observational studies, economic analyses, systematic reviews and randomised controlled trials.