Metin Onerci, M.D.

Emeritus Profesor and Head of Otorhinolaryngology&Head and Neck Surgery

Hacettepe University, Faculty of Medicine

·      General Secretary and Chair of the Scientific Committee of IFOS 2026 Istanbul Meeting

·      Honorary President of Turkish Rhinology Society,

·      Honorary members of

o   European Rhinologic Society,

o   Otorhinolaryngological Society-Turkey,

o   Balkan ORL Society

·      Presidents of

o   Turkish Rhinoplasty,

o   Turkish Snoring and Sleep Apnea Surgeons,

o   Turkish Otorhinolaryngological Allergy Society

Author of more than 200 articles, 8 international books, 20 Turkish books.

Editor of European Journal of Rhinology and Allergy

Member of many societies such as

·      Collegium Amitas Oto-Rhino-Laryngologicum

·      American Triological Society

·      American Academy of Otolaryngology-Head and Neck Surgery

·      International Academy of Otorhinolaryngology-Head and Neck Surgery

·      American Society for Head and Neck Surgery

·      American Rhinologic Society

·      European Rhinologic Society,

·      International Rhinologic Society

Dr. Nesil Keleş Türel is a Professor of Otorhinolaryngology at the University of Istanbul

Faculty of Medicine, and currently serves as the Chair of the Department , where she

coordinates surgical, medical and research activities . She has previously held the

positions of President of the Turkish Rhinology Society and Vice President of the

Turkish Otorhinolaryngology–Head and Neck Surgery Association. Her principal fields

of expertise encompass rhinology, allergy, and endoscopic sinus surgery.

Prof. Dr. Nesil Keleş Türel, MD, is a Professor and Chair of the Department of

Otorhinolaryngology – Head and Neck Surgery at Istanbul Faculty of Medicine, Istanbul

University, with more than 30 years of clinical and academic experience. Her primary

expertise lies in rhinology, particularly chronic rhinosinusitis with nasal polyps and

tumors of the paranasal sinuses, and she has served as a national coordinator in

several Phase III clinical trials on monoclonal antibody therapies for CRSwNP.

She has held key leadership roles, including President of the Turkish Rhinologic Society

(2011–2013) and Executive Committee Member and Vice President of the Turkish

Society of Otorhinolaryngology – Head and Neck Surgery. She also served as General

Coordinator of five ENT Schools between 2021 and 2023 and has organized the

Istanbul Masterclass Endoscopic Sinus Surgery Cadaver Dissection Courses since

1997.

Prof. Keleş Türel has authored over 100 scientific articles and book chapters and serves

on the editorial or advisory boards of several national and international journals,

contributing significantly to research, education, and clinical advancement in rhinology.