Jonathan E. Aviv (born August 24, 1960) is an American otolaryngologist–head and neck surgeon and a professor of Otolaryngology–Head and Neck Surgery at Icahn School of Medicine at Mount Sinai Hospital in New York City, New York. He is also Clinical Director of the Voice and Swallowing Center at ENT and Allergy Associates in New York City, New York. An inventor, author, educator, physician and surgeon, he is best known for his invention of Flexible Endoscopic Evaluation of Swallowing with Sensory Testing (FEESST),[1] a medical device that allows office-based assessment of oropharyngeal dysphagia, or swallowing disorders, without the use of X-ray. He is also known for his development of Transnasal Esophagoscopy (TNE), a method of examining the esophagus without using conscious or intravenous sedation. From 1991 to 2009, he was a full-time academic surgeon and director of the division of head and neck surgery at Columbia University College of Physicians and Surgeons.