Judi Kidger is an Associate Professor in Public Health. She completed her PhD in teenage pregnancy and sex education, at the University of Bristol. Her research since then has focused on improving young people’s mental health, particularly in schools and ommunity settings.  Judi recently led a school-based cluster randomised controlled trial (the WISE study), evaluating an intervention to improve secondary school teachers' mental health and their skills in supporting students. Judi is co-lead of the NIHR's School for Public Health Research Public Mental Health Programme, and she is co-leading the 4S study, which aims to improve self-harm and suicide prevention and support in schools and youth organisations. She has been awarded an NIHR Population Health Career Scientist Award, working in partnership with five local authorities to take a systems approach to improving young people's mental health and pathways to adulthood.