A visual report of the first Collaborative Conversation shaping our research project on Community-Centred Approaches for Infants, Children, & Young People Mental Health Prevention. The Collaborative Conversation was organised in a partnership between OHID London and the NIHR ARC North Thames MH-ALL programme and with the support of the UCL Policy Lab.The report offers a summary of the discussions held at a stakeholder engagement events in April 2025. The event brought together researchers, mental health workers, public health professionals, third sector professionals, organisers and young people for a Collaborative Conversation to explore how community-centred approaches can effectively foster mental health prevention with infants, children and young people.During the event we captured shared insights onprinciples and opportunities to facilitate community-centred prevention aligning goals and resources for community-centred preventionfostering collaboration for better community-centred preventionEach of these points was explored through presentations of case studies, also included in the report, and through small group, collaborative conversations. The report follows Chatham House rules and represent a collective view. Participants were invited to contribute to and review the report prior to publication. Participants were invited to participate also as named authors in the report.