He specializes in endoscopic endonasal skull base surgery, pituitary tumors, and vascular neurosurgery. Dr. Gardner received his medical degree from the University of Pittsburgh School of Medicine, where he also completed a two–year fellowship focusing on endoscopic endonasal pituitary and skull base surgical techniques. Dr. Gardner’s research has focused on evaluating patient outcomes following these surgeries. He has published numerous articles in his field. Dr. Gardner is a member of the Alpha Omega Alpha Honor Society, American Association of Neurological Surgeons, Congress of Neurological Surgeons, and North American Skull Base Society.