Dr. David A. Gudis, MD, FACS, FARS, is the Chief of the Division of Rhinology & Anterior Skull Base Surgery in the Department of Otolaryngology – Head and Neck Surgery and the Department of Neurologic Surgery at the Columbia University Irving Medical Center/NewYork-Presbyterian Hospital. In addition to being a board-certified otolaryngologist, Dr. Gudis is dual-fellowship trained both in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery and in Pediatric Otolaryngology. Dr. Gudis was recruited to Columbia University in 2015 and treats the full spectrum of sinonasal and skull base disorders in both adults and children. His practice includes the treatment of refractory and recurrent sinusitis, sinus and nasal tumors, minimally invasive endoscopic skull base surgery, and endoscopic orbital surgery. He collaborates closely with colleagues in Neurosurgery, Oculoplastic Surgery, and Pulmonology in the care of complex patients.Dr. Gudis also serves as the Associate Director of the NewYork-Presbyterian Rhinology and Skull Base Surgery Fellowship training program.

Dr. Gudis has authored over 100 peer-reviewed publications and textbook chapters, and he has co-authored two textbooks, The Unified Airway: Rhinologic Disease and Respiratory Disorders (ISBN 978-3030503291) and Chronic Rhinosinusitis and Concomitant Medical Disorders (ISBN 978-3039288113). He has presented his research at numerous national and international conferences, and he is on several national committees for Rhinology, Pediatric Otolaryngology, and Humanitarian Efforts for otolaryngology societies. Dr. Gudis is also a collaborating author of international consensus statements and clinical practice guidelines, including for chronic rhinosinusitis, olfaction disorders, and the treatment of patients with cystic fibrosis.

Dr. Gudis pursued his medical education at the University of Pennsylvania Perelman School of Medicine, where he was the recipient of the Russel J. Stumacher M.D. Award. He then completed his residency in Otorhinolaryngology – Head and Neck Surgery at the University of Pennsylvania and the Children's Hospital of Philadelphia (CHOP). He completed a fellowship in Pediatric Otolaryngology and Craniofacial Surgery, followed by a fellowship in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery, at the Medical University of South Carolina in Charleston, South Carolina.

Dr. Gudis' clinical interests include the medical and surgical treatment of chronic sinusitis, revision sinus surgery, nasal polyps, recurrent sinonasal polyposis, complex frontal sinus surgery, sinus and nasal tumors, skull base tumors, cerebrospinal fluid (CSF) leaks, encephaloceles, endoscopic skull base surgery for brain tumors, thyroid eye disease, and endoscopic orbital surgery. His research interests include rhinologic conditions in patients with pulmonary disease, such as cystic fibrosis and asthma, and novel surgical techniques for endoscopic skull base and orbital surgery.

Dr. Gudis is passionate about health care and education for patients home and abroad. He is the recipient of several grants funding humanitarian missions to provide surgery, clinical care and research in underserved regions around the world, including in Haiti, Rwanda, Kenya, Ghana, the Dominican Republic, and Peru.