Dr. Mehmet Çelik is a Professor of Otorhinolaryngology at Istanbul Faculty of Medicine. He specializes in otologic and auditory implant surgery, with a focus on cochlear implantation, middle ear pathology, and surgical innovation. He has led several national clinical and research projects and actively contributes to academic training in the field. His current interests include implantable hearing devices, surgical education, and biomaterial development for otologic reconstruction.