Karagiannis Aristeidis MD, PhD, FEBU is a Urological Surgeon with a private practice in Ampelokipoi. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the same institution. Additionally, he has undergone postgraduate training in Extracorporeal Lithotripsy, Endourology and Surgical Urology, and Prostate Cancer in France, Germany, and the USA. His practice covers a wide range of services, and his research interests include Urinary Tract Infections, Bladder Cancer, and Endoscopic Management of Urinary Tract Stone Disease. He has been the Director of the 1st Urological Clinic of Euroclinic Athens since 1998, a Scientific Collaborator at the Urological Clinic of the University of Athens, and a Lecturer in Urology at the University of Athens. He frequently participates in scientific meetings in Greece and abroad, is the author of five books, and has supervised the completion of 28 doctoral dissertations. Finally, he is a Fellow of the European Board of Urology and a member of the Hellenic, European, and American Urological Associations.