JSI Research & Training Institute, Inc. is an international organization based in Boston, Massachusetts and Washington DC, USA. JSI works extensively with national and local governments, NGOs, the private sector, and traditional leaders to expand access to services for vulnerable populations. JSI is committed to improving the health of underserved populations through innovative approaches in a range of public health areas, including HIV, TB and Malaria, technical and organizational capacity building, supply chain strengthening, strategic information management, health systems management, and policy development.