Stil Kountakis is currently Edward S. Porubsky Distinguished Professor and Chairman of the Department of Otolaryngology-Head and Neck Surgery, Director of Rhinology and Skull Base Surgery, and Director of the Georgia Sinus Center, Augusta University, Georgia, USA. He has served as Past President of the Georgia Society of Otolaryngology-HNS. He received the 2015 Gerald S. Gussack Memorial Award of the Georgia Society of Otolaryngology-Head and Neck Surgery for outstanding teaching in Otolaryngology. He is Past President of the American Rhinologic Society and received the society’s 2015 Golden Head Mirror Teaching Award for teaching and for his contributions to the ARS, and the 2017 ARS Presidential Citation. He is a Fellow of the American College of Surgeons and has served as Associate Editor of the American Journal of Rhinology and Allergy and the International Forum of Allergy and Rhinology. Dr. Kountakis has published extensively and his research interests include pathophysiology and pathogenesis of sinusitis and polyps, medical and surgical outcomes, and allergic fungal sinusitis.  T. Metin Önerci is a Professor and Head of the Otolaryngology-Head and Neck Surgery Department, Faculty of Medicine, Hacettepe University, Ankara, Turkey. He holds important positions in a range of medical societies, including general secretary of the International Rhinologic Society, and chairperson of the Rhinology and Allergy, Sleep, and Facial Plastic Surgery Committees of the International Federation of Oto-Rhino-Laryngological Societies. He is an honorary member of several societies and serves on the editorial boards of various journals, including Laryngoscope and European Archives of Otorhinolaryngology and is the editor of the European Journal of Rhinology and Allergy. Dr. Önerci has authored more than 200 papers in national and international journals, and numerous book chapters, and is also the author or editor of twenty books in Turkish and four in English.