Dr. Tredway is a board-certified, fellowship-trained neurosurgeon specializing in minimally-invasive and complex spinal surgery. He has specific expertise in the treatment of spinal cord tumors as well as metastatic disease of the spine.After completing a neurosurgical residency at Rush Medical Center in Chicago, he completed a fellowship in minimally-invasive and complex spine surgery at the University of Chicago.He was an associate professor of neurological surgery and held a joint appointment in the Department of Orthopedic Surgery at the University of Washington Medical Center. He performs surgeries at the Swedish Orthopedic Institute (SOI).