Benjamin Lê Cook, Ph.D., M.P.H. is Director of the Health Equity Research Lab, Director of Research, Department of Psychiatry at Cambridge Health Alliance, and Associate Professor, Department of Psychiatry at Harvard Medical School. His research interests are in improving methods for measuring disparities, and applying these methods to understanding the mechanisms underlying mental health and substance abuse treatment disparities, the association between acculturation and mental health, and geographic differences in mental health service use disparities. He received a Ph.D. in Health Policy at Harvard University concentrating in Evaluative Science and Statistics, an M.P.H. from UNC-Chapel Hill in the Department of Health Behavior and Health Education, and a B.A. in psychology from Swarthmore College.