The Robert Wood Johnson Foundation (RWJF) is the largest United States-based philanthropy dedicated solely to health. They financially support efforts to build a Culture of Health based on the principle of equity that provides individuals with fair opportunities to achieve health and wellbeing regardless of identity or background. RWJF works with other organizations to identify, understand, confront, and remove the structural barriers to health through supporting research, programs, policies, and practices that promote health and prevent disease for all people.