Koulentis Ioannis Md, PhD (c) is an ENT – Head and Neck Surgeon with a private practice in Alimos. He is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens and a graduate of the Medical School of the University of Rome "La Sapienza." In addition to his private practice, he serves as First Consultant at the ENT Clinic of Head and Neck Surgery at "Metropolitan General" and is a member of the Hellenic Rhinologic Society – Facial Plastic Surgery. His specialization was completed at the 2nd University Clinic of Attikon University General Hospital, the ENT Clinic of Penteli Children's Hospital, the 2nd Surgical Department of Thoracic Surgery at KAT Hospital, the 1st Surgical Clinic 251 of Athens General Hospital, and he has served as a Rural Physician at the Regional Clinic of Sykea, General Hospital of Molai, Laconia. He has continuous publications in reputable scientific journals and multiple participations in specialized educational courses. Additionally, he was a collaborator (Local Investigator) in the European Surgical Outcomes Study (EuSOS Study) under the auspices of the European Society of Intensive Care Medicine, the European Society of Anaesthesiology (ESA), and the Royal College of Anaesthetists. Furthermore, he contributed as an author to the 24th edition of Intensive Care and Emergency Medicine, has been a regular speaker at scientific conferences, and served as an Instructor at the Clinical Workshop on “Endoscopic Swallowing Assessment” during the 19th Seminar of the Hellenic Rhinologic Society – Facial Plastic Surgery, the 19th Seminar on ENT Allergy, Immunology and Snoring Disorders, and the 3rd Seminar of the Hellenic Society of Phoniatrics and Swallowing Disorders, held at Attikon Hospital. He specializes in the management of disorders related to auditory function, nasal and paranasal sinus diseases, voice and swallowing disorders, and head and neck neoplasms.