Dr. Jae-Jin Song has been working at Seoul National University Bundang Hospital in Korea since 2014. He is an otologist specializing in surgical treatment and clinical outcomes of hearing loss and tinnitus, with special research interests in cochlear implantation in subjects with single-sided deafness and debilitating tinnitus, medical and surgical treatment of tinnitus, and surgical treatment of pulsatile tinnitus. Dr. Jae-Jin Song received his first Ph.D. at Seoul National University in 2010 and his second at the University of Antwerp, Belgium in 2016.