Dr. Ehtesham is a board-certified and fellowship trained neurosurgeon. He serves as Associate Professor and Vice Chair of the Depatment of Neurological Surgery at Creighton University School of Medicine in Omaha, Nebraska and is also Director of the division of Cerebrovascular Neurosurgery. He formerly served as Assistant Professor of Neurological Surgery at Vanderbilt University Medical Center in Nashville, Tennessee where he also directed the Brain Tumor Research Laboratory. He has been recognized with the Young Investigator Award by the American Association of Neurological Surgeons and the Congress of Neurological Surgeons. He is board certified by the ABNS in Neurological Surgery and Endovascular Neurosurgery. Dr. Ehtesham specializes in complex spine surgery including revision fusion surgeries and spinal deformity/scoliosis. He also has specific expertise in the treatment of brain aneurysms and arteriovenous malformations via both open surgical and minimally-invasive techniques. Dr. Ehtesham's research interests include stem cell biology in the context of glioma dissemination, the pathobiology of subarachnoid hemorrhage associated vasospasm, and the development of novel treatment paradigms for traumatic brain injury. He is a member of the American College of Surgeons, the American Association of Neurological Surgeons, the Congress of Neurological Surgeons, and the Society of Neurointerventional Surgery.