Prof. Dariusz Patkowski, pediatric surgeon and urologist, internationally recognized expert in pediatric endoscopic surgery. He holds one of the highest numbers in the world of thoracoscopic esophageal atresia repair. For the so-called long gap esophageal atresia he developed his own internal traction technique, to preserve the patient’s esophagus. His technique of laparoscopic inguinal hernia repair called PIRS is performed in many countries. He lectures and conducts courses in endoscopic surgery around the World, also in the United Arab Emirates — host of Expo 2020/21.