Professor Francesco Signorelli is an Italian board-certified neurosurgeon. He completed his neurosurgery training at the University Hospital of Naples, Italy, and fellow in neurosurgery in London and Southampton, UK, and fellow in vascular neurosurgery and skull base neurosurgery at the University Hospital in Montreal, Canada. He worked as an associate professor of neurosurgery at the University Hospital of Catanzaro, Italy, and more recently he has rejoined the staff of the “P. Wertheimer” Hospital for Neurology and Neurosurgery in Lyon, France. His surgical practice has canvassed the spectrum of neurosurgery together with his scientific activity, with over 3000 interventions, more than 50 articles in peer-reviewed journals, and several book chapters and review articles. He is a member of national and international neurosurgical associations and of the French humanitarian association “Association pour le Développement Médical au Vietnam.” His current major interests are vascular neurosurgery, skull base surgery, and surgery of brain tumors in eloquent areas.