Dr. Stewart is Professor and Chairman of the Department of Otolaryngology-Head & Neck Surgery, and Senior Associate Dean for International Affairs and Affiliates of Weill Cornell Medical College, and he is Otolaryngologist-in-Chief at NewYork-Presbyterian Hospital/Weill Cornell Medical Center. He received a B.E. degree summa cum laude from Vanderbilt University, and an M.D. from Johns Hopkins University School of Medicine. He completed residency training at Baylor College of Medicine, and received his M.P.H. degree from the University of Texas School of Public Health, Houston. Dr. Stewart joined the otolaryngology faculty at Baylor after residency training, where he served as Director of Residency Education, Chief of Service at Ben Taub General Hospital, and Associate Dean of Clinical Affairs for the College, before coming to Weill Cornell. At Weill Cornell, he is the founder and Medical Director of the Center for the Performing Artist at NewYork-Presbyterian/Weill Cornell.
Dr. Stewart's clinical practice is general otolaryngology, and he has particular interest in nose and sinus disease, sleep breathing disorders, and head and neck trauma. He is the author of two textbooks, and more than 30 book chapters and 120 peer-reviewed publications. He is the former Editor-in-Chief of The Laryngoscope, and previously served as Associate Editor and on editorial boards of several other journals. He is a past-President of the American Board of Otolaryngology – Head & Neck Surgery, and past Chairman of the Education Council of the Board. He is also a Past-President of both the Association of Academic Departments of Oto-HNS and the Society of University Otolaryngologists, and was an elected member of the Board of Directors of the American Academy of Otolaryngology - Head & Neck Surgery (AAO-HNS) from 2011-15. He currently serves as the Executive Vice President of the American Rhinologic Society, and is a member of the ACGME Residency Review Committee for Otolaryngology from 2016-22. He previously served as a member of the EENT Conditions Standing Committee for Quality Measures for the National Quality Forum.
Dr. Stewart's research interest is in outcomes and quality of life research, and he has received research funding from the NIH and AHRQ among others. He served two terms as chair of the Academy’s Outcomes Research and Evidence-Based Medicine Subcommittee, and for three years was the co-program chair of the Research Forum for the Annual Meeting.
Dr. Stewart has received many awards and honors, including two Distinguished Service Awards and a Presidential Citation from the AAO-HNS, the Houston Distinguished Surgeon Award from AORN, and a Presidential Citation from the American Otologic Society. He is listed in Best Doctors in America and in New York by Castle Connolly and New York magazine. He has been a visiting professor at more than 40 institutions, and has given more than 450 invited lectures, both nationally and internationally.