Ertan Tatacak is a seasoned professional with a background in strategic management and commercial growth across various industries. Currently serving as Strategy Executive at Hepsiburada, Tatacak previously held the position of Growth & Strategy Manager at Modanisa, where responsibilities included leading strategic projects, overseeing commercial growth initiatives, and managing investor relations. Prior experience includes roles at Eczacıbaşı Tüketim Ürünleri as Marketing Strategy Project Lead, and Hilti Group as Energy Sales Engineer. Tatacak's educational credentials encompass an MBA from Sabancı University and emlyon business school, alongside a degree in Petroleum and Natural Gas Engineering from Middle East Technical University.