Philippa Howden-Chapman, professor of public health at the University of Otago, Wellington, is co-director of He Kāinga Oranga/ Housing and Health Research Programme and director of the NZ Centre for Sustainable Cities. Her team’s randomised community trials, in partnership with local communities, provide evidence to inform housing, health, safety and energy policy. Their work focuses on reducing inequalities in the determinants of health and wellbeing and they have received a number of awards, including the Prime Minister’s Science Team Prize. She is the chair of the WHO Housing and Health International Guidelines Development Group, the ICSU Scientific Committee on Urban Health and Wellbeing: a systems approach and a Director of the Housing NZ Board. She is a fellow of the Royal Society of New Zealand.