This document discusses the goals and activities of the Big Data to Knowledge (BD2K) program at the National Institutes of Health (NIH). The BD2K program aims to foster an open digital ecosystem for biomedical research through investing in data science research, establishing appropriate policies and governance, developing necessary infrastructure and tools, and ensuring expertise. It provides funding for centers, workforce development, and other initiatives to support its mission of using data science to accelerate efficient biomedical research. The document outlines BD2K's organization, funding levels over time, and some activities currently outside the program's scope that also support its goals. It emphasizes the importance of cooperation and engagement across efforts to make biomedical data and resources findable, accessible,