Ketil Størdal (b. 1966) is a full professor in pediatrics at the University of Oslo, Norway. He is also working as a consultant pediatrician at Oslo University Hospital, after specialist training in general pediatrics and pediatric gastroenterology. He defended his thesis at the University of Oslo in pediatric gastroenterology in 2006, and headed the main neonatal unit in Botswana during 2007-2009.
His main research area is the epidemiology of autoimmune diseases in children. He is also supervising research in neonatal resuscitation, with more than 90 publications in peer-reviewed journals and supervision of several PhD candidates. For several years he has been teaching at the University of Oslo, the London School of Tropical Medicine, and University of Botswana.
Dr Størdal is a member of ESPGHAN since 2004 and of the specialist interest group in celiac disease since 2017. From 2017-19 he was the president of the Norwegian Pediatric Association, and is in the lead of the Norwegian Choosing Wisely campaign.