Katrina (Katie) J. Allen, MBBS, Ph.D., is a Paediatric Allergist and Gastroenterologist practising in the field of Food Allergy at the Royal Children’s Hospital, Melbourne, Australia. Professor Allen is also Theme Director of Population Health at the Murdoch Childrens Research Institute, Professor of Paediatrics at the University of Melbourne, and Professor of Food Allergy at the University of Manchester, UK. She is an inaugural fellow of the Australian Academy of Health and Medical Science, and Director of the National Health and Medical Research Council (NHMRC)-funded Australian Centre of Food & Allergy Research which aims to translate research findings into clinical practice and public health policy to ensure the best outcomes for children regarding food allergy. Professor Allen is on five NHMRC funded studies which all seek to answer questions about population health and evolution of the new allergy epidemic including gene-environment, immunologic and epigenetic associations with food allergy. One of such studies, the HealthNuts study, includes 5,300 infants followed over the first 10 years of life. In 2010, Professor Allen’s research was recognised in the NHMRC ’10 of the Best’ nationally and she has published extensively with more than 230 peer-reviewed papers and book chapters. She also sits on a variety of committees for the European Academy of Allergy and Clinical Immunology (including the food allergy section Board), American Academy of Allergy, Asthma and Immunology, World Allergy Organisation and the Australasian Society of Clinical Immunology and Allergy Paediatric Committee.