Dr. Mahmoud Abbasy MD, PhD Assistant Professor of Neurosurgery and Spine Surgery at the Faculty of Medicine, Alexandria University. Dr. Abbasi completed a Fellowship in Brain Tumor Surgery at the Rose Ella Burkhardt Brain Tumor Center, Cleveland Clinic Foundation, Ohio, USA. He holds a Ph.D. in Neurosurgery from the Faculty of Medicine, Alexandria University. His clinical and academic interests include brain tumor surgery, spinal surgery, and advanced neurosurgical techniques.