Kaltsos Euthymios is an Otolaryngologist who maintains a private practice in Galatsi. He is a PhD candidate in Pediatric Otolaryngology at the Medical School of the National and Kapodistrian University of Athens and holds a postgraduate diploma in Emergency Health Care from the same university. Furthermore, he has a medical degree from Aristotle University and has undergone advanced training at the University Otolaryngology Clinic of Innsbruck in Austria, specializing in Pediatric Otolaryngologic Surgery and Head and Neck Surgery. He serves as the Deputy Director of the ENT Clinic at the Pediatric Medical Center of Athens and concurrently collaborates with Gaia Maternity Hospital. In his private practice, he provides specialized services for the diagnosis and management of all otolaryngological and pediatric otolaryngological conditions and performs surgeries such as tonsillectomy and adenoidectomy, ventilation tube insertion, nasal septum correction, endoscopic nasal surgery, rhinoplasty, phonosurgery, and tympanoplasty. Additionally, he has presented numerous publications at international and national conferences, is a member of several professional societies in the field of otolaryngology, and publishes papers in both Greek and international scientific journals.