Dr. Barger is an expert in autism and other childhood developmental disabilities and works primarily with the Center for Leadership in Disability. From 2013-2015 he was as a policy research fellow with the CDC Learn the Signs. Act Early. campaign where he worked on projects to improve community-based identification systems that connect infants and young children with disabilities with early intervention services. His primary research program focuses on understanding how young children with autism and developmental disabilities are identified in their communities, but also works more broadly on projects related to maternal and child health. He is on the LEND evaluation team.