Prof. Dr. med. Kristen Rak is the senior consultant of otology and the senior physician of the Comprehensive Hearing Center Würzburg. His clinical specialties are in otology, especially cochlear implants, active middle ear implants and middle ear surgery. These areas are also his main interest in research alongside with radiological diagnostics of the inner ear structures, navigation of the lateral skull base and inner ear biology. He is the author/coauthor of over 120 peer reviewed articles.