Alvaro Pascual-Leone is professor of neurology and associate dean for clinical and translational research at Harvard Medical School. He is the founder and director of the Berenson-Allen Center for Noninvasive Brain Stimulation and chief of the Division of Cognitive Neurology at Beth Israel Deaconess Medical Center in Boston. Pascual-Leone is a leader in the field of noninvasive brain stimulation where his contributions span from technology development, through basic neurobiologic insights from animal studies and modeling approaches, to human proof-of-principle and multicenter clinical trials. His research has been fundamental in establishing the field of therapeutic brain stimulation. His work has provided evidence for the efficacy of noninvasive brain stimulation in treating various neurologic and psychiatric conditions, including epilepsy, stroke, Parkinson disease, chronic pain, autism, and drug-resistant depression. He has authored more than 600 scientific papers as well as several books, and is listed inventor in several patents. He continues to work as a practicing cognitive neurologist.