Mary D. Naylor, Ph.D., R.N., F.A.A.N., is the Marian S. Ware Professor in Gerontology and director of the NewCourtland Center for Transitions and Health at the University of Pennsylvania School of Nursing. Since 1990, she has led a multidisciplinary program of research designed to improve the quality of care, decrease unnecessary hospitalizations, and reduce health care costs for vulnerable, community-based elders. Dr. Naylor is the national program director for the Robert Wood Johnson Foundation-sponsored Interdisciplinary Nursing Quality Research Initiative. She was elected to the National Academy of Sciences, Institute of Medicine in 2005. She also is a member of the RAND Health Board, the National Quality Forum Board of Directors and chairs the board of the Long-Term Quality Alliance. Dr. Naylor was recently appointed to the Medicare Payment Advisory Commission.