Dr. Marcial Lewin received his medical degree from the Univeristy of Chile. He completed residency training in Neurosurgery at Universidad Catholica in Santiago, Chile. He participated in the McGill University Neurosurgical Training Program at Montreal Neurological Institute. He completed residency training in neurosurgery at Lhey Clinic in Boston, Mass. He completed a rotating internship and a general surgery residency at St. Elizabeth Hospital in Youngstown, Ohio.