Alessandro Ramieri, MD, Ph.D., Professor, Research Fellow, and Surgeon at Sapienza University, Roma, Rome, Italy. He graduated in Medicine and Surgery and afterward in Orthopedics and Traumatology at Sapienza Rome University. As an expert in spinal diseases (European Spine Diploma), he is a silver Member of the AO Spine and an ordinary Member of the Italian Society Of Spinal Surgery (SICV).