Aggelis Xristos A. is an Otolaryngologist who maintains a private practice in Chalandri. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Otolaryngology at the Otolaryngology Clinic of the General Hospital of Athens "Evangelismos," the General Hospital of Athens "Laiko," and the Naval Hospital of Athens. Additionally, he specializes in pediatric otolaryngology and manages cases such as childhood hearing loss and secretory otitis media. He has worked as an Otolaryngologist at the Children's Hospital "Agia Sofia," at the Naval Hospital of Crete, and also served as Director of the Otolaryngology Clinic at the General Hospital of Xanthi. Finally, the doctor is a member of the Athens Medical Association, the Hellenic Society of Otolaryngology Head and Neck Surgery, the Hellenic Laryngological Society, and the Hellenic Society of Otolaryngological Allergology and Immunology.