He joined the faculty in 2009 after training as a neurosurgeon in Beijing-based Tiantan Hospital and completing a spine and neurosurgery fellowship at UW. Jack Zigler, MD, previously served on the Cervical Spine Research Society's board of directors. He is a past president of the American Spinal Injury Association, and serves on the Scientific Program Committee for the International Society for the Advancement of Spine Surgery. He currently practices at Texas Health Spine & Orthopedic Center in Plano. Christian G. Zimmerman, MD, is a neurological surgeon at Saint Alphonsus in Boise, Idaho. He is the Saint Alphonsus Spine Medicine Institute medical director and serves as executive director of research for Saint Alphonsus Health System.