Dr. Nikolaos Papageorgiou has completed his basic training in Greece and continued his cardiology training in Dusseldorf, Germany and thereafter in London, UK. He has trained at the London Heart Hospital, University College London and is currently at the Barts Heart Centre, St. Bartholomew's Hospital London UK. He has a strong interest in endothelial function and the mechanisms of atherosclerosis. He also has a strong interest in the role of genetics in cardiovascular disease and holds a PhD degree which is related to that. Currently, he focuses on arrhythmias and the therapeutic approaches which aim to them. He is a reviewer of several international journals, member of the EACVI35. He currently has over 120 publications in peer-reviewed journals, all PubMed listed, and has done more than 100 presentations at international conferences where he has been an invited speaker.