Prof. Ahmed Yassin Bahgat

Associate professor of ENT, Alexandria university, Egypt

Consultant ENT & sleep surgery at Al Zahra hospital, Dubai, UAE

Fellow of European board of ORL

International sleep disordered breathing surgery board certified

Board member-at-large of international surgical sleep society

Co-founder of Egyptian laryngological and sleep surgery society

Fellow of university of Pavia (Italy), university of Versailles (France), universities of central Florida and south California (USA)

Member of American academy of ORL-HNS

Ewa Olszewska, M.D., Ph.D., titled professor graduated from the Medical University of Bialystok, Poland. She started her academic career as an assistant in the Department of Clinical Pharmacology Medical University of Bialystok, Poland.

After a residency in Otolaryngology-Head and Neck Surgery, she passed the board exam.

She achieved Ph.D. for the dissertation „ Some markers of proliferative and apoptotic activity in cholesteatoma epithelium in adults”. Her dissertation was awarded for the best Ph.D. dissection in 2002 by the Polish Society of Otolaryngology-Head and Head Surgeon.

She became an associate Professor in 2007-2013 and a titled Professor 6 years later.

She was a director of the Ph.D. program at the Medical University of Bialystok, Poland from 2012 to 2017. She completed many scientific and clinical scholarships and observerships. Among many, there were scholarships in the Department of Otolaryngology in Vienna and Salzburg, Austria earned from the Austrian-American Foundation,  scientific research concerning pathogenesis of cholesteatoma in the laboratory of Ruhr University in Bochum, Germany, observership in the Department of Otolaryngology Johns Hopkins Hospital, Baltimore, USA, observership in the Department of Otolaryngology Loyola University, Chicago, USA, earned from Kosciuszko Foundation, observership in the Department of Otolaryngology St. Louis University, USA, observership in the Department of Otolaryngology Medical College of Wisconsin, Milwaukee, USA, observership in the Department of Otolaryngology, Division of Sleep Medicine, University of Michigan, USA.

She is an associate Editor of the Journal of Otolaryngology-Head and Neck Surgery, a member of the Editorial Board of Otology&Neurotology and Journal of International Advanced Otology, a member of the International Surgical Sleep Society, World Sleep Society and Polish Society of Otolaryngology-Head and Neck Surgery.

She is a co-author of 214 publications, IF 135.237, Citation in Web of Science Core Collection 1102,  H-index 16.

She is the author of the book “Snoring and sleep apnea- diagnostics and Treatment”, Medipage Warsaw 2019.

Currently, she is a director of the Sleep Apnea Surgery Center, at the Department of Otolaryngology Medical University of Bialystok, Poland

Her main interests are diagnostic and treatment protocols in obstructive sleep apnea (OSA), surgical procedures in OSA, research related to potential biomarkers and oxidative stress in OSA.

Dr. Zerrin Özergin Coşkun is a medical doctor and academic based in Türkiye, with extensive experience in clinical practice, medical education, and scientific research. Her professional work focuses particularly on otorhinolaryngology and sleep-related breathing disorders, including obstructive sleep apnea. She has been actively involved in the evaluation and management of upper airway diseases, combining clinical expertise with evidence-based practice to improve patient outcomes.

Dr. Coşkun has contributed to various academic projects, scientific meetings, and congress presentations at national and international levels. Her research interests include upper airway anatomy, surgical treatment outcomes, inflammatory and molecular biomarkers in obstructive sleep apnea, and multidisciplinary approaches to complex airway disorders. She is particularly interested in integrating translational research findings into daily clinical practice.

In addition to her clinical and research activities, Dr. Coşkun is committed to medical education and mentorship. She has supported the training of medical students and young physicians, encouraging their participation in research projects and scientific initiatives. She also takes part in community-oriented activities aimed at raising awareness about sleep health and preventive medicine.

Through her academic productivity and collaborative work, Dr. Coşkun continues to contribute to advancements in her specialty, striving to enhance both patient care and scientific knowledge.

Prof. Mario Milkov, MD, PhD graduated from Medical University “Prof. Dr. Paraskev Stojanov” – Varna in 1995.

Since 2002, he has been a specialist in Otorhinolaryngology, Surgery of the Head and Neck. In 2005, he successfully defended his doctoral thesis related to modern ossicular prostheses.

Main professional and scientific interests in the field of otology, neurotology, audio-vestibular medicine, biomaterials, sleep medicine, hearing prevention in newborns and early childhood. He holds a patent for the first Bulgarian ossicular prosthesis.

He is the creator of the bulgarian society of “obstructive sleep apnea and snoring” in 2012. He proposes and creates together with colleagues from the Black Sea countries the “International Black Sea Otological and Neurootological Association“ in 2017.

Prof. Mario Milkov is the Head of the Department “Dental materials science and prosthetic dental medicine” in Faculty of Dental medicine, Medical University – Varna.

Since March 2024 is appointed as Vice-Rector for “International relations”, Medical University – Varna.

He works at the “Audio-vestibular and sleep medicine” sector, University Medical and Dental Center.

Prof. Milkov is the Chairperson of the “Alumni club and Friends” – Medical University – Varna.

A corresponding academic member of national and international associations.

Has more than 180 scientific publications. Participated in over 190 world and national congresses, symposiums, specialized courses.

He has been the editor-in-chief of the journal „International Bulletin of Otorhinolaryngology“ since 2004. A member of the editorial board of five international medical journals in and other Bulgarian medical journals.