Melissa M. Favreault, Ph.D., is a senior fellow in the Income and Benefits Policy Center at the Urban Institute, where her work focuses on the economic well-being and health status of older Americans and people with disabilities. She studies social insurance and social assistance programs and has written extensively about Medicaid, Medicare, Social Security, and Supplemental Security Income, evaluating how well these programs serve Americans today and how various policy changes and ongoing economic and demographic trends could alter outcomes for future generations. Dr. Favreault has published her research in Demography, Health Affairs, Health Services Research, and the Journal of Gerontology: Social Sciences, and coedited the book Social Security and the Family: Addressing Unmet Needs in an Underfunded System. She serves on the board of the International Microsimulation Association. Dr. Favreault earned her M.A. and Ph.D. in sociology from Cornell University.