Yonatan Ben-Shalom is a senior researcher at Mathematica's Center for Studying Disability Policy, with expertise in policies and programs related to the employment and income of people with disabilities?especially those who acquire disability in adulthood, such as workers and veterans. From 2013 to 2016, he directed the Stay-at-Work/Return-to-Work (SAW/RTW) Policy Collaborative, funded by the Office of Disability Employment Policy at the U.S. Department of Labor (DOL). The collaborative focused on advancing policies and programs that promote job retention among workers who experience a potentially career-ending medical condition. Dr. Ben-Shalom has served as principal investigator for numerous studies funded by the Social Security Administration (SSA) and the National Institute on Disability, Independent Living, and Rehabilitation Research. He has a Ph.D. in economics from the Johns Hopkins University.