Jamaican-American pediatrician Nadine Burke Harris is founder and CEO of Center for Youth Wellness, an initiative seeking to create a clinical model that recognizes and effectively treats toxic stress in children, and practices at the California Pacific Medical Center Bayview Child Health Center, where she was the founding physician. Her work pushes the health establishment to reexamine its relationship to social risk factors, and advocates for active medical interventions to counteract the damaging physiologic impact of stress.