Biography
Dr. Keen received his medical degree from the University Of New England College Of Osteopathic Medicine in Maine. He completed his residency at Loma Linda University Medical Center in Southern California. During his PGY-5 year, he completed an enfolded skull base fellowship with Dr. Johnny Delashaw at Swedish Neuroscience Institute in Seattle, WA. After returning to Loma Linda for his chief year, he completed a CAST-approved Neurosurgical Oncology fellowship at Emory University under Drs.Jeffrey Olson and Nelson Oyesiku, where he honed his interest in vestibular schwannomas and endoscopic treatment of pituitary tumors. His current practice involves a mix of cranial and spinal neurosurgery with academic interests in neurosurgical oncology and utilizing minimally invasive approaches for both spinal and cranial pathology.
