IMPELLIZZERI PIETRO, MD, Graduated in Medicine and Surgery at University of Messina, 1985-86, top of his class cum laude. Achieved the Certificate of Specialist in Pediatric Surgery at University of Messina, 1990-91, top of his class cum laude. Pediatric Surgery consultant, from January 1999, at Pediatric Minimally Invasive Surgery Unit of „G.Martino“ University Hospital of Messina. Pediatric Surgery consultant from July 2003 to 2007, at Neonatal Surgery Unit of the „G.Martino“ University Hospital of Messina. Pediatric Surgery consultant at Pediatric Surgery Unit of „G.Martino“ University Hospital of Messina from June 2009 to present. Master's Degree in Minimally Invasive Pediatric Surgery, 2012-13 at University of Bologna. ASSOCIATE PROFESSOR OF PEDIATRIC SURGERY at Department of Human Pathology and Childhood“ University of Messina, from November 2016 ASSISTANCE ACTIVITIES. Surgical activity includes: diagnosis, treatment and follow-up of neonatal and pediatric surgical diseases, particularly abdominal and thoracic pathologies. Moreover, he perform interventions of pediatric video-laparoscopy. Member of SOCIETÀ ITALIANA DI CHIRURGIA PEDIATRICA. He is a member of the editorial board of the International Journal of Molecular Sciences. Author of scientific publication in the fields of pediatric and neonatal surgery and basic research.