Osman YEŞİLBAŞ graduated from Cerrahpaşa Faculty of Medicine in 2007. He completed his residency at Marmara University, Department of Pediatrics in 2013, and in 2017, he completed his subspecialty training in the Field of Pediatric Intensive Care at the University of Health Sciences Bakırköy Dr. Sadi Konuk Education and Research Hospital. In 2020, he received his Associate Professor title in Pediatric Intensive Care.