Heather Koball is a Senior Fellow in the Center on Labor, Human Services, and Population at the Urban Institute, where her areas of expertise include immigration and at-risk youth. Koball has directed multiple projects on issues faced by children of immigrants, including access to public benefits among immigrant families, the implications of the Affordable Care Act for immigrants' health care, and immigrant integration in new destination areas. Her research also focuses on programs to improve the well-being of at-risk youth. As coprincipal investigator of the Opportunities Youth project, she is developing and evaluating interventions to improve the employment outcomes of disconnected youth. She is also principal investigator for an evaluation of after-school programs in New York City that aim to improve youths’ social and emotional development.