Nikolaos Dagres is an Assistant Professor in Cardiology of the University of Athens, Greece and works at the 2nd University Cardiology Department at the ATTIKON University Hospital. He studied Medicine at the University of Freiburg in Germany where he also performed his doctoral thesis and received the title of Doctor of Medicine. He performed his postgraduate education at the University Hospitals of Essen and Münster, Germany. Since 2004 he works at the University of Athens, first as a Lecturer in Cardiology, then as an Assistant Professor. Main subject of research interest is the field of cardiac arrhythmias and invasive electrophysiology.