Mathematica is the insight partner that illuminates the path to progress for public- and private-sector changemakers. We apply expertise at the intersection of data, methods, policy, and practice, translating big questions into deep insights that weather the toughest tests. Driven by our mission to improve public well-being, we collaborate closely with our clients to improve programs, refine strategies, and enhance understanding.Our more than 1,400 experts work across the country and around the globe, partnering with federal agencies, state and local governments, foundations, universities, professional associations, and businesses. Mathematica is reimagining the way the world gathers and uses data, surfacing evidence that guides decisions in areas ranging from health, education, child welfare, and family support to nutrition, employment, disability, criminal justice, and international development.