JSI Research & Training Institute, Inc., formerly known as John Snow, Inc., is a global nonprofit organization focused on enhancing health and education outcomes for communities worldwide. Founded in 1978, JSI has grown from a small team in Boston to over 4,000 employees operating in all 50 U.S. states and more than 100 countries, including regions in Africa, India, Pakistan, and Nepal. The organization recently merged with World Education, Inc. and The Manoff Group, broadening its expertise in education and behavioral sciences. Headquartered in Boston, JSI partners with government agencies, private sector entities, and community organizations to implement data-driven solutions. Their services encompass health systems research, strategic planning, training, policy development, and supply chain management for health products. JSI is committed to sustainable, locally driven programs and has developed high-impact initiatives, including digital tools for health tracking and innovative approaches in reproductive and maternal health.