Delivering intelligence and evidence to inform public health policy and practice. Public Health Institute (PHI) is a vibrant research and teaching community working at a local, regional, national and international level. The organisation specialises in applied research and educational programmes addressing health issues at all levels from policy development to service delivery. PHI is committed to a multi-disciplinary approach to public health and works in partnership with health services, local authorities, judicial bodies, environmental services and community groups. Influencing health service design and delivery, as well as health related policy, Public Health Institute’s research has been at the forefront of the development of multi-agency strategies to promote and protect public health. PHI turns information and data into meaningful and timely intelligence. Public Health Institute is a World Health Organization Collaborating Centre for Violence.