Louis, Missouri. He is a specialist in degenerative spine disease, spine deformity, spine trauma, spine tumors, spine infections, spine reconstruction and performs surgery on the cervical, thoracic and lumbar spine. Dr. Zebala earned his bachelor of science degree in biomedical engineering from Northwestern University and his medical degree from The University of Chicago Pritzker School of Medicine. He completed both his orthopaedic surgery residency and adult and pediatric spine surgery fellowship at Washington University in St. Louis.