William E. Greenberg, M.D. is Director of the Harvard Longwood Residency Training Program. He is a graduate of Harvard College and the University of Pennsylvania School of Medicine. He trained in psychiatry at Beth Israel Hospital and has spent his entire career involved in residency education. Before becoming the first training director at Harvard Longwood, he directed the residency at Beth Israel Hospital. He was recently awarded the Massachusetts Psychiatric Society's Outstanding Psychiatrist Award for Excellence in Psychiatric Education. He has directed an emergency service and an inpatient service in a general hospital and worked with residents in community mental health center and state hospital settings. His current clinical work is in outpatient psychiatry with individuals and couples. He is an Affiliate Member of the Boston Psychoanalytic Society and Institute.

David J. Wolfe, M.D., M.P.H. is Associate Director of the Harvard Longwood Psychiatry Residency Training Program at Brigham and Women's/Faulkner Hospitals. A graduate of Haverford College and Tufts University School of Medicine, Dr. Wolfe trained in adult psychiatry at the Harvard Longwood Psychiatry Residency Training Program and in psychosomatic medicine at Brigham and Women's Hospital. His research interests include the use of functional MRI to explore psychotic-spectrum and conversion disorders. Currently, he is an attending on the Medical Psychiatry Service at Brigham and Women's Hospital.

Christie L. Sams, M.D. is Associate Training Director of the Harvard Longwood Psychiatry Residency Training Program at Beth Israel Deaconess Medical Center. Dr. Sams is a graduate of Brown University and Case Western Reserve University School of Medicine and completed residency at the Harvard Longwood Residency Training Program in 2000. She maintains a private practice in general psychiatry and psychotherapy.  She is a candidate at the Boston Psychoanalytic Society and Institute.

Elizabeth B. Simpson MD.  is a graduate of Vanderbilt Medical School (1985) and completed her residency in adult psychiatry there (1989). She was a fellow in the psychiatric care of women under the auspices of Charles River Hospital and the Stone Center for the Development of Women at Wellesley College (1990). Dr. Simpson created and ran the Women’s Inpatient and Partial Programs at Butler Hospital in Providence, RI, for women with personality disorders and other treatment resistant conditions. Currently, Dr. Simpson is a clinical instructor in psychiatry at the Harvard Medical School, an associate training director for the Harvard Longwood Psychiatric Residency, and the Director of the Dialectical Behavior Therapy program at Massachusetts Mental Health Center (MMHC). The MMHC offers partial hospital, outpatient, and residential DBT services to chronically mentally ill people who share problems with emotional dysregulation. She is a senior trainer in DBT (1997).