James Guevara, MD, MPH is Associate Professor of Pediatrics at the University of Pennsylvania School of Medicine and an attending physician at the Children’s Hospital of Philadelphia. He is the Director of Interdisciplinary Initiatives in PolicyLab: Center to Bridge Research, Practice, and Policy at the Children’s Hospital of Philadelphia. He is also a Senior Scholar at the Center for Clinical Epidemiology and Biostatistics at the University of Pennsylvania School of Medicine. He is a member of the Early Childhood Mental Health Steering Committee for the Commonwealth of Pennsylvania and a member of the Executive Research Committee of the Academic Pediatrics Association. He has interests in the organization, financing, and delivery of health care services to children with developmental and behavioral disabilities. He was the principal investigator on a K23 Research Career Development Award from the National Institute of Mental Health 1) to develop a measure of collaborative ADHD care and 2) to pilot an intervention to link schools, mental health, primary care, and families for ADHD management. Currently, he is the principal investigator on an R18 Award from the Centers for Disease Control and Prevention to evaluate the feasibility, acceptability, and effectiveness of the American Academy of Pediatrics policy on developmental screening in urban primary care settings; an R40 Award from the Maternal Child Health Bureau to adapt and test a parenting intervention for depressed caregivers in primary care practices; and a California Healthcare Foundation Award to systematically review the literature on metrics evaluating the effectiveness and efficiency of specialty care referrals. Through these diverse research initiatives, he has focused on improving the delivery of healthcare in primary care settings, reducing health disparities, and translating research findings into practice and policy.