Mark S. Lachs, M.,D., M.P.H. is Professor of Medicine and Co-Chief of the Division of Geriatrics and Gerontology at Weill Medical College. He is also director of Cornell's Center for Aging Research and Clinical Care and Director of Geriatrics for the New York-Presbyterian Health System. Dr. Lachs' research, teaching, and clinical experience center on elder abuse and improving the quality of life for older adults. The focus of his research includes the identification of risk factors for reported elder mistreatment and more recently, the survival of older adults who have experienced mistreatment. He has gained advanced understanding of this newly recognized problem in the elderly community through a series of innovative studies intended to rigorously measure prevalence, risk factors, outcomes, and community interventions directed at victims (adult protective services). In addition to an NIA academic leadership award, Dr. Lachs is Paul Beeson Physician Faculty Scholar from the American Federation for Aging Research through funding from the John A. Hartford Foundation, and the Alliance for Aging Research. Dr. Lachs is also the Irene F. and I Roy Psaty Distinguished Professor of Clinical Medicine.