Onur Dedeköylü, yemwe wakhala akugwira ntchito ngati Wachiwiri kwa Purezidenti Wotsatsa ku Pegasus Airlines kuyambira 2010 ndipo wathandizira kwambiri pakuwongolera zinthu zamakampani, kusintha kwa digito ndikumanga mtundu wa Pegasus, wasankhidwa kukhala Chief Commerce Officer. Onur Dedeköylü adzayang'anira gawo la Zamalonda, lomwe limakhala ndi malonda, kukonza maukonde, kutsatsa, kasamalidwe ka ndalama ndi mitengo, zokumana nazo za alendo ndi madipatimenti onyamula katundu.
Onur Dedeköylü ndi omaliza maphunziro a Industrial Engineering kuchokera ku yunivesite ya Boğaziçi ndipo ali ndi digiri ya MBA pazamalonda ndi zachuma kuchokera ku Georgia State University ku Atlanta. Anayamba ntchito yake ku Gillette akugwira ntchito zamalonda ndi zamalonda.
Atagwira ntchito ku likulu la dziko lonse la Kimberly Clark ku Atlanta, USA, anapitiriza ntchito yake ku UK. Anagwira ntchito yofufuza za msika, chitukuko cha malonda ndi kasamalidwe ka malonda ku likulu la Hasbro ku Ulaya ku UK. Iye anapitiriza ntchito yake pa Kampani ya Coca-Cola, kuyang'anira mtundu wa Coca-Cola ku Turkey.
Mu 2010, Onur Dedeköylü adalowa nawo Pegasus Airlines ngati Senior Vice President. Paudindo uwu, anali ndi udindo woyang'anira mtundu, chitukuko ndi kasamalidwe kazinthu zothandizira, kasamalidwe ka njira za digito, kusanthula kwa data ndi ntchito zowongolera kukhulupirika. Onur Dedeköylü adayamba udindo wake ngati Chief Commerce Officer pa 13 Meyi 2022.
Pegasus Airlines ndi yonyamula mtengo wotsika mtengo ku Turkey yomwe ili ku Kurtköy m'chigawo cha Pendik, Istanbul yokhala ndi mabwalo angapo pabwalo la ndege ku Turkey.