Professor of cardiology at the University of Oslo in Norway. Dan Atar studied medicine in Basel and was then trained in internal medicine and cardiology. This was followed by stays abroad: at John Hopkins University in Baltimore (1991–1994) and the University of Copenhagen, where he worked as a senior cardiologist. From January 1997 to June 1999, Prof. Dr. Dan Atar served as senior physician in the Department of Cardiology at the University Hospital Zurich through a medical research position supported by the Prof. Dr. Max Cloëtta Foundation. His license to teach at University (Habilitation) was transferred from the University of Basel to the University of Zurich. In addition to clinical work Dr. Atar conducted experiments: he investigated ischaemia and reperfusion of the heart. After serving as senior physician at the University of Copenhagen, in Frederiksberg Hospital, in 2002 he was appointed head of the cardiology department at the University of Oslo in Norway. Here he worked with a large team of cardiologists and clinical researchers, especially in the field of cardiac markers, heart failure, and cardiovascular pharmacology.