Professor Dariusz Patkowski is a specialist in pediatric surgery and urology. He has international recognition in pediatric endoscopic surgery especially in newborns. He is a faculty member of endoscopic courses around the world including IRCAD in Strasbourg. His lectures are available at WebSurg. He was invited to do a live surgery in many countries. He has one of the greatest experiences in thoracoscopic esophageal atresia repair including cases with long-gap treated by staged thoracoscopic repair using internal traction. He is the author of laparoscopic inguinal hernia repair technique in children named PIRS (Percutaneous Internal Ring Suturing) that has become a very popular technique all over the world. He was an organizer and Chairman of 7th Congress of European Society of Pediatric Endoscopic Surgeons, Wroclaw, Poland 2017.