VistaGen Therapeutics, Inc. announced it has appointed Mark A. Smith as Chief Medical Officer. Dr. Smith is a research psychiatrist with more than 20 years of experience in basic research and CNS drug development from the lab bench through clinical proof of concept studies. He has been a successful project leader in both discovery and development resulting in approximately 20 investigational new drugs (INDs). Prior to joining VistaGen, Dr. Smith served as the Clinical Lead for Neuropsychiatry at Teva Pharmaceuticals, where he was accountable for the strategy and clinical development of neuropsychiatric drugs through all phases of development with a focus on schizophrenia, sleep disorders and agitation.