Onur Cengelci@onurcengelciTurkeyFollowAboutCurrentTurkcellEducationBogazici University, İstanbul BadgesJava Certificationsonurcengelci has not earned any certificates yet. Work ExperienceExpert Software DeveloperTurkcell• 2007EducationBogazici University, İstanbulElectrical Engineering & Computer Science, BS• 1998 - 2003