Our Health Catalyst Data Operating System (DOS™)—a next-generation data warehouse and application development platform powered by data from more than 100 million patients and encompassing over 1 trillion facts—helps improve quality, add efficiency, and lower costs for organizations ranging from the largest US health system to forward-thinking physician practices. We are the leaders in a new era of advanced predictive analytics for population health and value-based care with a suite of machine learning-driven solutions, decades of outcomes improvement expertise, and an unparalleled ability to unleash and integrate data from across the healthcare ecosystem.