Hany Sharaf El-Din holds a Master's degree in Speech and Special Education, with twenty years of experience in speech training. Speech training for speech delay And academic delay, learning difficulties, and slow learning. Training for lisping, nasal speech, and stuttering. Training for omission, addition, and substitution. Training for fast and slow speech. Training for hearing impairment and cochlear implants. Training for autism, ADHD, and hyperactivity. Training for intellectual delay. Training for hysterical voice loss. Training for swallowing, laryngectomy, and voice. Training for brain injury and stroke. Breathing and speech organ training. Behavior modification training, life skills development training, foundational reading, writing, and arithmetic training.