Prof. Melvin Samsom has been the Chief Executive Officer of Karolinska University Hospital since October 1, 2014. He then came to Sweden, having served 3 years as the CEO and 4 years as CMO of the Radboud University Medical Center in Nijmegen in the Netherlands, during which a large turnaround of the organisation was established. Mr. Samsom has had a distinguished career, both as a gastroenterologist, a scientist and as an administrator. He has a professorship in gastroenterology, and has recieved a prestigious personal grant from the Royal Netherlands Academy of Arts and Sciences. He has conducted research at the Royal Adelaide Hospital in Australia and the Mayo Clinic in the United States, as well as in the University Medical Center Utrecht in the Netherlands.