Prof. Dr. Mostafa Ahmed Mahmoud El-Sardy is a Consultant and Lecturer of Otolaryngology (ENT Surgery) at the Faculty of Medicine, Ain Shams University. He is a recognized Consultant in nasal and sinus endoscopic surgery, head and neck surgery, laryngeal endoscopy, and microscopic ear surgery, and is a Fellow of the Royal College of Surgeons (England) in Otolaryngology. With broad clinical and academic experience, Prof. Dr. El-Sardy specializes in the diagnosis and management of ear, nose, and throat disorders in both adults and children, with particular expertise in endoscopic procedures, hearing restoration, and balance surgeries.