Dr. Antonios Pitsis is the Head of Cardiac Surgery at the European Interbalkan Medical Center, Thessaloniki, Greece. His clinical experience involves more than 15,000 cardiac operations as the main operating surgeon. Currently Dr. Antonios Pitsis performs on average 400 to 450 cardiac cases a year, the majority of these cases being Totally Endoscopic (250 cases a year) and other Minimally Invasive Procedures and Hybrid Procedures (in the hybrid OR/Cath. Lab.). With over thirty years of experience in Adult and Adult Congenital Cardiovascular Surgery, Dr. Antonios Pitsis has a specialized focus in totally endoscopic procedures which include mitral and tricuspid repairs, aortic valve repairs and replacements, repair of adult congenital heart defects (such as atrial and ventricular septal defects and valve repairs), other adult congenital heart defects, cardiac tumors, as well as myectomies for obstructive hypertrophic cardiomyopathy and endoscopic and hybrid atrial fibrillation ablation procedures. In addition to his surgical practice, Dr. Antonios Pitsis has dedicated his life to researching and developing innovative techniques to enhance patient outcomes, and these are all reflected in his wide range of publications in various journals and book chapters. The significant clinical work that his team has accomplished has been supported and promoted by continuous training and active participation in many international conferences as well as workshops and vigorous research. Dr. Pitsis has established a highly successful international endoscopic cardiac surgery training center, with many visitors all over the world attending his practice. He has also assisted many cardiac surgeons to set up their own endoscopic cardiac surgical practices. He is a founding member and member of the steering group of the Endoscopic CardiacSurgeons Club (www.ecsclub.org).