Stephen Haines, MD, FAANS, is a professor at the University of Minnesota. His clinical interests are in surgery of the posterior fossa and cranial nerves, open and endoscopic skull base surgery and pediatric neurosurgery. He has an active practice in trigeminal neuralgia, complex hydrocephalus, the treatment of Chiari malformations and adults with congenital structural abnormalities of the nervous system. Dr. Haines’ primary research interest focuses on applying advanced clinical research techniques to neurosurgery and developing resources for the evidence-based practice of neurosurgery.