After high school math and science Joachim Müller studied at Human Medicine the University of Mainz. Prior to his training in the subject "Oto-Rhino-Laryngology," he expanded his knowledge in the field of general and trauma surgery, and pediatrics. The Specialist training he completed at the University ear, nose and throat clinic in Mainz Prof. Dr. med under. Jan Helms, and followed in his academic and clinical instructor in 1987 the University ENT Clinic Würzburg, where he became after the Board certification in 1990 Oberarzt was appointed (1994). His interest and love for microsurgery of the ear are also reflected in the habilitation thesis (1997-98), which he and questions micromechanics of the middle ear Vibration measurements Laserdopplervibrometer made. In addition to a broad clinical Training was considered to be clinical and scientific interest various aspects of Ear surgery. He was, Prof. Jan Helms Hauptveranwortlicher not only for the cochlear Implant Program. Together with physicist Dr. Franz Schön he put the idea of a computerized documentation to ear, with the continuously microsurgical all since 1988 Middle ear operations are documented at the Department of Otorhinolaryngology and evaluated. The Database with around 16,000 records is the largest scientific ear database the world.