Born in Eskisehir in 1981, Sinem Dedetaş graduated from Istanbul Technical University Faculty of Naval Architecture and Ocean Engineering with the title of Shipbuilding and Marine Technology Engineer. She completed her master's degree in Shipbuilding and Ship Machinery of the same faculty.
She started her career as a structural analyst and structural design engineer at Delta Shipping and then continued her career as a plan approval engineer at RINA (Registro Italiano Navale).
Sinem Dedetaş, who was the general manager of Matesis Maritime and Engineering company, worked as a researcher, program coordinator and manager in national and international maritime activities and R&D projects during this period.
Shipbuilding and management, energy efficiency, optimization, use of different materials in ship structure, inland sea transportation and small boats are her main research subjects.
Between 2014-2016, she served as chairman of the Board of Directors of the Chamber of Ship Engineers of TMMOB.