M. MAZHAR ÇELIKOYAR, M.D. is a graduate of Hacettepe School of Medicine, Ankara, Turkey. After his graduation he has specialized in Otolaryngology-Head & Neck Surgery in Sisli Children’s Hospital and Marmara University Hospital. During his first years in practice, he has taught his specialty at Sisli Children’s Hospital as first a chief resident, then as a vice chair of the department of Otolaryngology-Head & Neck Surgery. He has had a fellowship training on Head & Neck Surgery and Facial Plastic and Reconstructive Surgery at the Methodist Hospital of Indiana and by the Indianapolis Head & Neck Surgery Associates. He has since practiced in Istanbul. Currently he is an otolaryngologist-head & neck surgeon practicing at Istanbul Florence Nightingale Hospital. He is also one of the teaching members of the Department of Otolaryngology-Head & Neck Surgery as an assocşate professor at the Demiroglu Bilim University School of Medicine, Istanbul, Turkey.