He completed his Research Fellowship in Orthopedic Spine Surgery in 2013 at the Spine Institute of New York, Beth Israel Medical Center at The Mount Sinai School of Medicine in New York City. He is a graduate of Ross University School of Medicine, Dominica, West Indies. After medical school training, Dr. Assina completed his internship in General Surgery/Neurosurgery at The University of Medicine and Dentistry of New Jersey. His residency was completed in Neurosurgery at UMDNJ/Rutgers-New Jersey Medical School where he was chief resident.