Mark Lachs, M.D., MPH, graduated medical school from NYU School of Medicine and completed his residency at the University of Pennsylvania and was on the faculty at Yale before joining the geriatrics program at Cornell’s Division of Geriatrics and Palliative Medicine. Dr. Lachs is the Irene and Roy Psaty Distinguished Professor of Medicine at the Weill Cornell Medical College and Co-Chief of Geriatrics and Palliative Medicine, and the Director of Geriatrics for The New York Presbyterian Health Care System. His major area of interest is the disenfranchised elderly, and he has published widely in the areas of elder abuse and neglect, adult protective services, the measurement of functional status, ethics and the financing of health care.