Dr. Mitchel Berger is chair of the neurological surgery department at UCSF and director of the Brain Tumor Research Center. Berger grew up in Miami, attended Harvard and turned to medicine after his first career choice – professional football – didn't pan out. A physician since 1979, Berger's specialty is the treatment of brain tumors in adults and epilepsy related to brain tumors. He also has pioneered brain mapping techniques used to identify speech, motor and sensory areas that should be avoided during surgery.