 She is a psychiatry professor and vice-chair of research at Stony Brook University and professor emerita at the Columbia University College of Physicians and Surgeons.She was previously the Chief of the Division of Translational Imaging in the Psychiatry Department at Columbia.She also served as Director of Clinical and Imaging Research in the Lieber Center for Schizophrenia Research, and Director of the Silvio O. Conte Center for the study of "Dopamine Dysfunction in Schizophrenia", both based at the New York State Psychiatric Institute.