Markus Hess, MD, otolaryngologist and phoniatrician, specialized in laryngology, phonosurgery, professional voice disorders. Head of first Voice Clinic in Germany (MEDICAL VOICE CENTER), chairman of PEVOC, founder of European Academy of Voice (EAV), past president CoMeT, founder of German Society of Phonosurgery, president of International Association of Transvoice Surgeons (IATVS). Introduction of blue laser to laryngology. Long-standing experience in minimally invasive phonomicrosurgery and office-based surgery. Presentations, workshops, instructional courses at international conferences. Memberships on various editorial boards and scientific committees. Authorship in over hundred peer-reviewed articles in professional journals and textbooks.