Prof. Dariusz Patkowski, pediatricsurgeon and urologist, internationallyrecognizedexpert in pediatricendoscopicsurgery. He holds one of the highestnumbers in the world of thoracoscopicesophagealatresiarepair. For the so-calledlong gap esophagealatresia he developedhisowninternaltractiontechnique, to preserve the patient’sesophagus. His technique of laparoscopicinguinalherniarepaircalled PIRS isperformed in manycountries. He lectures and conductscourses in endoscopicsurgeryaround the World, also in the United Arab Emirates — host of Expo 2020/21.