Aaron Cohen-Gadol, MD, MSc, (Dr. Cohen) is one of the world’s most preeminent neurosurgeons, a professor and the associate chair of neurosurgical innovation at the Department of Neurological Surgery at the Keck School of Medicine of USC. He specializes in the treatment of complex brain and spine tumors, including meningiomas, pituitary adenomas, gliomas and acoustic neuromas, as well as arteriovenous and cavernous malformations, hemifacial spasm and trigeminal neuralgia. 

Dr. Cohen has performed more than 7400 complex brain surgeries in his career, more than any other performed by a single surgeon in the United States. These 7400 surgeries have been documented in the Neurosurgical Atlas collection, which Dr. Cohen founded and which is considered throughout the world as the “bible of neurosurgery” and used by more than 70,000 physicians for the care of their patients. He has introduced over 40 novel surgical techniques that have inspired thousands of neurosurgeons to achieve technical excellence and peak performance in the operating room.