Dr Chris Day has worked in local government since 1975, providing consultancy services and training in industry, and lecturing for 17 years on the BSc Environmental Health course at King’s College London, where he latterly led the MSc programme. His Doctorate in Public Health was obtained from the London School of Hygiene & Tropical Medicine where his thesis focused on the surveillance of food-borne illness. In 2010 Chris joined the Chartered Institute of Environmental Health where he was responsible for developing the 2011 Curriculum and professional training portfolio and edited the Journal of Environmental Health Research. He has been involved in several funded research projects over the years and contributed chapters to Clay’s Handbook of Environmental Health. Although now semi-retired, Chris is still undertaking consultancy work.