Haldun OGUZ, M.D. graduated from Hacettepe University School of Medicine. He completed his residency in Otolaryngology at Ankara Training & Research Hospital.

Professor OGUZ has more than 250 published book chapters, articles and presentations in international and national journals and meetings. His studies are cited more than 1500 times in peer-reviewed journals. He is currently the President of the Union of European Phoniatricians and the Turkish Professional Voice Society. He is the General Secretary of the Turkish Society of Otolaryngology, Head and Neck Surgery. He is the former Vice President of European Academy of Phoniatrics (2018 – 2023). He was the President of Laryngology - Phoniatrics School of Turkish National ENT-HNS Society. He is the co-editor of a book entitled Clinical Voice Disorders. He has different assignments (associate editor, advisory board member, referee, English language editor) in 18 journals. He was deemed to deserve the degrees of Associate Professor of Otolaryngology in 2007, and Professor of Otolaryngology in 2013.

Haldun OGUZ is currently a faculty member of the Lokman Hekim University, School of Medicine, Department of Otolaryngology - Head and Neck Surgery. He is the founder (2016) and director of Fonomer Otorhinolaryngology Phoniatrics and Audiology Clinic in Ankara.

Web Site: www.drhaldunoguz.com

Instagram: @prof.dr.haldunoguz

H.Bengu Cobanoglu

Professor, MD,MSc

Faculty member in Karadeniz Technical University, Faculty of Medicine,Department of Otorhinolaryngology.

National Board Certified Otorhinolaryngolgist Head and Neck surgeon.

MSc in audiology and speech disorders 

Memberships:

-EHNS (European Head and Neck Society)

-ELS ( European Laryngology Society)

-EORTC ( QOL group)

-UEP (Union of European Phoniatricians)

-Turkish ENT Association

-Member of Turkish National ENT Board exam comitee

-Generel Secretary of Turkish Voice, Speech and swallowing disorders Society.

-General secretary of surgical working group in Turkish Multidisciplinary Head and Neck Cancers society

-General Secretary of Voice Istanbul 2025

Sam Majumdar is a founding member of the British Laryngology Association and has served on its council since 2013. He is a Laryngologist, full-time Consultant Surgeon, and Honorary Reader at the University of Dundee Medical School and Ninewells Hospital, NHS Scotland. He is the lead clinician for Laryngology and voice, swallowing disorders (Transnasal Oesophagoscopy/Endoscopy), and the difficult airway service at the centre-services he developed with his team. He also leads the steering group establishing training and practice standards for Transnasal Endoscopy/Oesophagoscopy and serves as Deputy Director of Education for ENT UK.

He graduated in Medicine from the University of Nottingham Medical School, following substantial training in Maxillofacial Surgery and the award of Fellowship of the Faculty of Dental Surgery of the Royal College of Physicians and Surgeons of Glasgow. He was also awarded a PhD for his doctoral research on leadership, followership, and relational sustainability. Passionate about teaching and training, he is an internationally acclaimed speaker, teacher, and trainer.

Sam Majumdar is a Fellow of the Scottish Patient Safety Programme, delivered by Healthcare Improvement Scotland, and Deputy Lead for Scotland for Quality Improvement at the Faculty of Medical Leadership and Management. He has published widely in the medical literature and peer-reviewed journals on all aspects of ENT surgery, presented nationally and internationally, and delivered invited and keynote lectures. He is Co-Editor of the 10th edition of Current Practice in Otolaryngology, a seminal textbook, and a co-author of chapters in other seminal textbooks.