Magnus Nilsson is Professor of surgery and head of the Division of Surgery at CLINTEC, Karolinska Institutet and senior consultant surgeon at the Karolinska University Hospital. His main clinical and scientific interests are gastric and esophageal cancer with particular focus on minimally invasive surgical techniques, tailored lymphadenectomy, adjunct oncological therapies, and management of airway fistulas and other severe surgical complications. Dr Nilsson is the past President of the European Society for Diseases of the Esophagus, the Swedish Society of Upper Abdominal Surgery and currently a Director of the International Society for Diseases of the Esophagus and the Chairman of the Swedish National Registry for Gastric and Esophageal Cancer. Dr Nilsson has a strong focus on multidisciplinary collaboration in cancer care and research and is a faculty member of the upper gastrointestinal group of the European Society for Medical Oncology (ESMO) and a member of the European Organization for Research and Treatment of Cancer (EORTC) gastrointestinal group. Dr Nilsson has led and currently leads a number of international randomized multicenter trials such as the completed NeoRes I and II trials and the currently ongoing NEEDS trial.