Dr. Selim Oncel was born in Ankara on March 20, 1967, l graduated from Ankara Ay?eabla Primary School and later from Ankara Atatürk Anatolian High School in 1985, the year he entered Ankara University Faculty of Medicine. In 1989, he studied as an exchange student in Odense Hospital (Denmark). He earned “Doctor of Medicine” and “Specialist” degrees in Pediatrics and Child Health, and Family Medicine in 1991, 1997, and 1999, respectively (specialist degrees from Ministry of Health Ankara Training and Research Hospital). During 1999-2003, he worked in the Health Department of the Directorate General of Security, in various private health institutions, and in his own solo practice office as a pediatrician; he also gave seminars in pediatrics and child health for a private education company. He has done his military service in 200-Bed Soldiers’ Hospital in Sar?kam?? as a pediatrician. Following the completion of his Pediatric Infectious Diseases fellowship in Ankara University Faculty of Medicine in 2006, he began to work in Kocaeli University as an Assisstant Professor of Pediatrics and Child Health. Selim Öncel became an Associate Professor of Pediatric Infectious Diseases in 2013.