Dr. Hsiao oversees the Diagnosis and Biomarkers Program within the Dementias of Aging Branch. He received his undergraduate degree from Yale University and his medical degree from the University of Maryland. He completed a residency in psychiatry at the University of North Carolina and a Nuclear Medicine residency at the NIH's Clinical Center. After a number of years in both the Intramural and Extramural Research Programs of the National Institute of Mental Health (NIMH), he joined the NIA in 2009. His previous research included preclinical and clinical psychopharmacology of mood disorders and schizophrenia, neuroimaging studies in schizophrenia, and treatment trials in schizophrenia. Dr. Hsiao led NIMH's Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) project, two large, multicenter randomized clinical trials of antipsychotics in schizophrenia and in Alzheimer's disease. He is a licensed physician, board certified in Psychiatry, and maintains an active clinical practice that is separate from his work at NIA.